Showing posts with label Laptop. Show all posts
Showing posts with label Laptop. Show all posts

Friday, October 28, 2011

Great Price MagnaFlow 15744 Stainless Cat-Back Exhaust System 2005-2005 Mitsubishi Eclipse L4 2.4L

MagnaFlow 15744 Stainless Cat-Back Exhaust System 2005-2005 Mitsubishi Eclipse L4 2.4L Review


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Product Feature

  • 2005-2005 Mitsubishi Eclipse L4 2.4L
  • 2005-2005 Mitsubishi Eclipse V6 3.0L

Product Overview

Lifetime Warranty Dyno Tested And Proven To Make Power Performance Gains In Horsepower And Torque Great Sound -Has A Smooth; Deep Tone Easy To Install Mandrel-Bent. All Welded. Built To Last.

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Tuesday, September 13, 2011

2007 Bentley Continental GT Start Up, unloading, and the complete tour of the vehicle

2007 Bentley Continental GT Start Up, unloading, and the complete tour of the vehicle On YouTube.





Check the video epic I've ever done, I discovered that the Continental GT in 2007 in a lobster dealer on the way back from Lexus, I came in and asked if I could see him have so much more! FYI, there was one before him a GTC with a blue top, I could not because they do not have keys for them, so do not ask me about that haha! I go through this vehicle as a whole and shows details of the exterior and interior with some nice features. I get a motor start,and get a clip of the exhaust. The following video is a cruise on the road for her, and regret that they let me hahaha.

Keywords: Bentley, continental, GT, start, up, crank, exhaust, engine, 2004, 2005, 2007, 2008, 2009, revving, rumbling, W12, interior, exterior, full, review, driving, walk, around, features, overview, chrome, wheels, power, trunk, british, V12, twin, turbo, radio, sound, system, GTC, exotic, cars, super, high, end, luxury, test, drive

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Monday, August 29, 2011

Diagnose problems by the color of car exhaust

Diagnose problems by the color of car exhaust

Exhaust System

The color of the exhaust of your car can say a lot about his health. The color of smoke may indicate that something is wrong inside the engine. It can also direct the areas that need immediate attention. For example, you are losing coolant? Are you burning oil? These and other questions, saying what needs to be identified by your car exhaust.

Unfortunately, it lacks most of the people who are familiar with their vehicles. You do not know how to identify them for signs of a problem in their cars "Drain. In this sense we will explain exactly what is involved black smoke, white and blue. This article provides the details necessary to make semi-diagnostic engine-related problems to be solved.

Black exhaust means that

If you notice black or charcoal-colored smoke from the exhaust gas, means this is the air-fuel mixture in the engine area. That is, there is too much fuel into the combustion chamber, and can not be completely burned when the candle lights the mixture.This can happen if the injectors are leaking fuel pump is faulty, or faulty oxygen sensor transmits data to the powertrain control module (PCM).

Why a "too rich" air-fuel mixture will affect the engine performance, this problem will be solved as soon as possible. Exhaust three colors, but black is the least serious. And 'certainly less serious than white smoke.

White means that the exhaust

We must first make an important difference. If youStart your car, and there a small piece of white steam from the exhaust, condensation probable cause. This occurs when the residual moisture in the exhaust system. Start the engine warms up, moisture and produces steam that is blown out the exhaust. You will notice that disappears after a few minutes driving time.

White smoke from the exhaust gas is different. This usually means coolant is somehow entering one or more of the combustion chambers, and isburned along with the air-fuel mixture. This often happens when the cylinder head gasket developed a leak. This estate is located between the cylinder head and engine block, coolant and is done to prevent access to the rooms.

Harmless at first, perhaps a little 'liquid coolant in the engine. This means, however, robbed of your car cooling system coolant through the loss. This can eventually cause the engine to overheat, resulting in costly repairs. If you see white smoke, immediatelyCheck the coolant level. Fill if necessary. Then have a mechanic inspect the head gasket, engine block and cylinder head.

Which means blue drain

Blue smoke means oil, access to the combustion chambers. But here she is with the air-fuel mixture, coolant similar to the one burned, when the losses beyond the cylinder head gasket. Oil leaking into the cylinder at several points. There are guides, valves, gaskets and piston rings into the engine, that normally prevent fluidDisclosure. Everyone can wear down, though. If this happens, oil may be allowed through.

Sometimes you can do the spark plugs leaking oil slowly so that no ignition cylinder. In this case, you have to replace the plugs foul. Even if the plugs are not interested, this problem can still steal the moving parts of engine oil for lubrication. Over time this can lead to damage during assembly. As with the blue exhaust considered a priority that must be fastdirected.

Many motorists put off repairs because the work in question is often cumbersome and expensive. But keep in mind that shift work as a lead to large - and costly - problems down the road. Addressing problems known today is a worthwhile investment.

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Tuesday, August 9, 2011

EK9 exhaust allegory (Top Speed)

EK9 exhaust allegory (Top Speed) Video Clips.





Same path, and both with the same engine EK9 (B16B), 4.3 kg of fly control and spoon. EK91: OEM Cat, 5Zigen A Spec Catback Prorace (normal) vmax ~ 220kph (~ 200 in Video) EK92: De-Cat pipe, Catback 5Zigen A Spec Prorace (both removed as a small muffler) vmax ~ 250-speed 255 ( Video ~ 250) EK91 RIP: '(

Keywords: EK9, Exaust, 5zigen, VTEC, Honda, Civic, Type-R, Typer, B16B, B16, top, speed, topspeed, autobahn

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Saturday, August 6, 2011

My Computer - What operating system should I use?

My Computer - What operating system should I use?

Exhaust System

If you are a newcomer in the area of ​​on-board computer (computer), you need to know that one of the most important design considerations of the amount of energy that will be consumed by the computer. In a car, not the unlimited power waiting to be exploited by an outlet on the wall, how would you have in your home. Everything comes from the car battery, which has a finite capacity.

The battery charge is constantly topped off by the alternator, while theEngine is running. Car manufacturers usually provide their car engines with generators, rated high enough to allow the installation of additional electrical equipment. The installation of a computer in a high energy consumption, especially if you have a powerful car audio system may, the alternator is not capable of enough power to keep the battery was fully charged by a stroke. In addition, computer needs often in enclosed spaces can be constructed that make it verydifficult, the excess heat generated by the drain circuit. For these reasons, it is advisable to have a motherboard and processor, low power consumption have to choose.

The disadvantage of using a low-power processor that is used a lot slower than the processors of the latest cutting-edge desktop PC. This is not a problem for most applications that will run on a computer in computer games usually require intensive graphics processing. However, it is very unlikely that manyComputer users interested in playing with computers in their vehicles. The ability of the operating system of choice is therefore the most important obstacle, which is imposed by the use of a low-power processor and motherboard.

If you use an Apple Mac OS X then you will Statistically you use, you are more likely to be an X86-based PC.

With a PC, you have the choice of Open Source (a variant of Linux) or MS Windows. Imagine a beautifulimpressive system with Linux, but can be a tortuous exercise in order to be properly configured. For some applications, the Linux software that is not nearly as good as what is available for Windows. For most people, MS Windows is the operating system of choice. It is not too difficult to install and configure, and there are a wide range of application software for MS Windows.

Currently, the version of Windows is to use Windows XP. Although SP1Windows Vista for many of the reasons for the poor reception of Vista get released early, there is still a resource hog. Energy consumption is low, you should use a less powerful processor of a desktop PC. It makes sense to use XP as long as it remains available for sale, as it will run better than Vista on a less powerful processor.

Fortunately, it seems that when Windows 7 finally appears to have modest hardware requirements. Practicallyeach reviewer Windows 7 beta is found to be loads faster and run faster than Windows Vista. My personal results echo this. I am currently testing the beta software on an Intel Atom platform, the same as what I have on my computer until now has given me absolutely no reason for concern about the lack of power. Remember that this is still beta code, and there is a high probability that it can lead to further performance improvement, once the code is optimized forProduction version.

Right now my recommendation is to stay with XP until Windows 7 If the beta is released to judge by, is the production version of Windows 7 are rock steady and not place too high a request to a computer driven low design.

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Wednesday, July 20, 2011

Guidance on 1962 Farmall 140 with open drain

Guidance on 1962 Farmall 140 with open drain Tube. Duration : 10.23 Mins.


1962 McCormick Farmall 140 with open drain.

Keywords: Tractor, Farmall, 140, 1962, IH, Open, Exhaust, Gas, Carb, Drive

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Monday, July 18, 2011

Danny's Teach How to Ride Ninja 250R Day 1 Part 1

Danny's Teach How to Ride Ninja 250R Day 1 Part 1 Video Clips. Duration : 10.00 Mins.


We've all been there, if we are teaching or teach someone to someone else. It is a beautiful and fulfilling life experience the experience of your child's first steps. We checked the car he bought yesterday and today. It 'a 2009 black Ninja 250R with 2700 miles, Puig windscreen, Full Yoshi exhaust system, disc lock, chain Crypton, Targa Fender Eliminator, Stage 2 Jet for only $ 3000 and let me tell you ... It seems incredible! The growl is not only deep, but strong. I was happy to revall the time I got back to him. We have a nearby parking from now on for his first lesson, and yes, I took everything. The first time I sat on my bike two days ago was in love. When he saw the future potential of his bike yesterday was still in love. When he learned how to make your bike ride today, he lacked the words. I am not an MSF instructor, so I have a couple of things missing here and there, but eventually reached. I tried recording as much as possible of my comments, butI have a couple of times in the heat of battle. He knew, because it already knows how to manual and understand how it works. I had a hard time because I never studied before and guided manual. We have to work much harder. I need him ready to stop and go traffic, the slower corners, U-turns for his road test. However, it has to teach, to lead the counter, and, in the curves. I only rode for about 2 months, and I know...

Keywords: learning, how, to, ride, ninja, 250, 250r, teaching

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Saturday, July 9, 2011

Inside the field: Tips for buying a new exhaust system

Overview: What I look for in an exhaust system?

The first thing you wonder why you are interested in a new exhaust? Your current drain is not working, broken, etc.? Looking for better performance? They are individual looks? Better sound? These are important questions, because the price in a circle and the quality of exhaust gases out of these questions. It is, after all, if you put several hundred dollars on a new exhaust system, you should get what youwant!

Exhaust System

Storage vs. Aftermarket

When you replace an old or broken exhaust system for an ATV or motorcycle could be the first question - Should I buy shares? There's really no good reason to buy stocks. Bearings are not worn by the best engineers. When a gas is designed, it must comply with USFS and other laws, and the engineers who have to draw up a short list of other parties, which usually are not very focused on high performance exhaust gases. The exhaust gases areusually made of steel, a material is very heavy product. Are chrome-plated exhaust systems but are usually very sensitive to rust and require great care, so that looks good. Not only have lower returns because of higher weight, you have an exhaust system, could not look the best and requires constant cleaning. And to make matters worse - the most likely to be much more costly than the terminal markets.

So I do not see an aftermarket exhaust. And now?

Sincedifferent industries that specialize in exhaust systems only, as HMF, two brothers, Yoshimura and the work of the engine. These companies have engineers look at the make and model of bike, and then get a good fit to the model in the exhaust system and the material, the best performance and sound. Most exhaust systems to fit a pair, makes and models. Some can only adapt a model / make an ATV with a year is limited, some may be able to adapt to different brands and models. The first stepyou can research the company. Although there are many manufacturers to choose from, for the purposes of this article are to choose the size, here is a brief review.

HMF: Low prices, wide selection of customizable colors, decent performance. Two brothers: higher prices, small selection unique look, great performance (which specializes in dual exhaust). Motorcycle work: lower prices, limited selection of individual look in price, performance. Yoshimura: a price increase, moderate range of measurementLooks, great performance.

This is less of a leader who can tell what is the best producer, but be aware of how to achieve. Almost all exhaust systems will give better performance than stock, but some are based on an individual aspect, some are geared towards better performance, and some are geared toward the most favorable.

A brief look Terms

There is a special group of words in the exhaust gases of industrial uses. Knowing these will helpYou buy the right to discharge and save money.

Slip-on with a slip-on exhaust silencer is usually only one. Not all brands and models of a bicycle can only claim compensation for a slip on some of the entire exhaust system to be replaced. Slip-on may be at least $ 200 cheaper than a complete exhaust system, because they can not head / mid-pipe. Full / Complete: This is an exhaust that provides a complete replacement - mufflers, manifolds, half pipes. Its usually more expensive. Header / Mid Pipes:These are the tubes that are normally "hidden" on a bike. It connects the engine to the muffler and is usually not decorated or painted. USFS United States Forestry approved. They need heat and sound ATV restrictions. Fireguard: This is a small screen that said, to reduce the flames leaving the muffler. A spark arrestor must be included with the exhaust gases, so make sure ONE is included! The best option is to have one is removable. Quiet Core: EnterMuffler, which helps quiet exhaust. A measure in decibels the information should be included in the core is usually around 90 decibels, the level, but different for different parks. Cores are usually quiet an additional item purchased with a drain, but some of them belong to the exhaust pipe of the series already. Dyno graph: graph that measures the power of a discharge. See below for the paragraph that reads like a dynamometer table.

How to read a Dyno Chart

Not everyone is sold outthe table has been published publicly, but if they do, it is a great source of information to see how much torque and power can be an exhaust pipe. It measures the torque (force required to maintain a distance lb ft coverage.) More power and RPM. Some diagrams show both torque and HP, some show only one of them. At the bottom of the RPM will be. For example, a chart table shows that a bicycle is equipped with 21 hp at 1200 RPM. If a chart table compares two bicycles (with original exhaust and aftermarketExhaust gas), usually the exhaust line is the highest resort. Some comparisons can also be a performance difference at different lengths for a bike ride.

Decomposition: purchase low-cost

So you're ready to buy, and you want to accomplish something? So you are planning to look out for these things: a drain that a certain type of aluminum and carbon fiber (carbon fiber is much more expensive), a slip-on (unless a complete exhaust system must be replaced), which means a spark is madeSurges and hardware (no matter how cheap an exhaust system, these two things is a must). Color on a muffler, if present, is usually not too much money - perhaps 20 to $ 40.

Decomposition: Buy for performance

Then you're ready to buy, and you want something with a lot of horses? Not all manufacturers have to pay attention a lot of information, but if present, on the hp and torque to get the weight difference, the series of discharge and the test chart. Dischargecan often be much the same inside and out, but some are very new and innovative series, such as changing the Competition Series HMF, which has various missions of power and sound. If a regular race, the search for an exhaust system, additional features such as adjustable make a big difference.

Decomposition: Buy Looks

Some manufacturers are keeping to the basics: adhesives, aluminum, chrome or brushed surface finish. Some go even further. In general, the dischargeare either aluminum or carbon fiber. Carbon fiber is lighter than aluminum and at least $ 100 more expensive, and can still fragile, but it looks much to it. Aluminum powder is usually covered in different colors.

Other suggestions:

If you are buying online, do not just buy directly from the manufacturer! You are likely to buy gas at full retail price and pay for shipping. There are many power sports online stores and eBay sellers who sell new exhaust system, they buy fromManufacturer. In addition, many vendors offer free shipping on orders over $ 100 - $ 200, and usually an exhaust system will be more than that amount.

Search! Buy a visit to the manufacturer, but their site! A simple Google search opens a lot of producers. Do your research, and an individual seller is usually not the information that the manufacturer is not.

Look at reviews - information on online forums and reviews are published will not be exhausted, he findsby the seller or manufacturer. For example, the manufacturer's website you will find the installation instructions, but on a review of this discharge, it is possible to know exactly how difficult it is installed.

Inside the field: Tips for buying a new exhaust system

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Friday, July 8, 2011

In line compressor selection and timing Cam

Tuning camshaft is an essential part of tuning the compressor. Orchestrating the camshaft opens the valve and closing events in the engine and decide if what comes out, our engine is nice dysphonics high power density or a mixture of music.

Choosing the right compressor optimizes camshaft can go a long way toward the development gains of the compressor and considerable power for the money invested.

Exhaust System

To understand, camshafts and camshaft selection, we must understandFirst:

Relativity: change when the valves open or close (input or output) for the valve timing in relation to the changes:

The position of the piston within the cylinder. Depending on where the piston is intact, and where we are in the combustion cycle, then open the valves, the pressure difference between the cylinder and the intake and exhaust valves manifolds.For to exploit, for example, would make sense that the time the ideal intake valve is open when peak loadinside the cylinder so that when the valve is open, the maximum amount of fresh air to be fed. It 'also best not to open the drain valve when it reaches peak cylinder pressures inside the combustion chamber and the combustion was complete and that all power is derived. The pulses of high and low pressure generated by the rotor design and the length of the intake and exhaust would be created manifolds.It way to keep the intake valve, as reflected pressure waves in the openTaking reach the intake valve as a high-pressure part of the wave, thus opening the valve at high pressure at this point is a "ram air" effect resonance volumetric efficiency of the air intake set up, which increases power.Similarly on the exhaust side, it makes sense the exhaust valve open, as reflected in low pressure (vacuum), the unloading wave (reflected by the collector) has reached the rear of the exhaust valve. At this point it isboth peaks of pressure in the cylinder and the vacuum in the exhaust, the pressure differential generates a higher and more rapid evacuation of exhaust gases. In relation to the case of ignition, such as a shorter or extended exhaust, the exhaust valve opens earlier in the report, if the mixture was originally lit, this means that, while advancing the exhaust cam, we adapted our design header and opened the valve with the least possible exhaust back pressurefor better efficiency, we have the same time that the mixture is burned and can reduce the open valve, first to reach our peak cylinder pressure and threw out some horses. The intake valves in relation to the exhaust system and is usually described in terms of lobe separation angle (in degrees between the center between the center of the exhaust and intake camshaft offset), or in relation to the degree of overlap (the number ofExtent to which both the intake and exhaust valves are open simultaneously).

Since the combustion in the cylinder at a pressure much higher than atmospheric pressure, and exhaust valves are usually smaller as the intake valves (high pressure for the same reason), then the speed is much higher gas velocity exhaust as revenue. So, on some engines it is advantageous that the inlet valve opened earlier than usual during the latter part of the exhaust stroke, this is called superposition.While overlap - the end of the race exhaust - the amount of pressure inside the cylinder on the left is low, so you can breathe the air again under atmospheric pressure to draw the same time, the high gas velocities exhaust after leaving the aid still leaving the cooler air from the suction side in a similar effect to 'lift', where the flow of liquid (in our case air) as a continuous stream of new design inlet old drain.

The other part of the phenomenon thatTiming refers to the intake valves exhaust valves in relation to the length of time that both valves are closed completely, the power of your shot is. This is the part of the combustion cycle, in which the mixture can be compressed and burned. If either (or both) or A-. The exhaust valves are open will not be able to burn or compress the mixture and the duration of absolute time (in degrees of rotation) that your mixture is burned and allowed to reach peak cylinderThe pressure is influenced by the selection and timing of the camshafts. It should be noted that the valve angle has to do too much with inert gas, of course, you get the maximum digging if the exhaust and intake valves had "seen", ie when the tubes were separated by an angle of 180 *. If so, the exhaust air directly to draw in fresh air. On the contrary, it would be clear as little as possible when the valves in a narrow angle (zero degrees in extreme cases) between them, hadso that air is essentially doing a U-turn to enter through the grip and pulled out the exhaust.

So different engines react differently to the function of the exhaust valve overlap and the corner.

Duration:

Cam duration is the number of degrees of rotation of the entire * 360, the intake and exhaust valve is open. The longer the maturity, the air entering the engine can overlap, which more (which helps more with the fastest performancePower), the lower your power stroke (the focal length and reduce peak cylinder pressures reduce speed fuel efficiencly low and minimal clean .... etc.

The duration (with its overlapping increases and put in order) is also an opportunity to get to the exhaust air to the input or suction gas discharge loss, and therefore more sensitive to the timing of events otherwise we could have some negative effects " overcammed "

Elevator:

A lift ishow far or deep to open the valve in the cylinder. The more you lift, the valve is not a restriction to incoming air, because it is farther from the direct path of air in and out. Add lift usually more for all speeds, depending on how well the camshaft (and ramp), the valve lift to accelerate to a higher number in a short period. It 's like a ramp, the lower the duration, the greater the lift, the steepest ramp. So what happened here, that if yourThe valve train is not bright enough and well-controlled (through suitable valve springs or hydraulic lifting and suspension) to operate the lift quickly and then get better performance at low speed (where there are a lot of time to lift the valve at the top to move), but decreased performance at higher speeds, where there is more revolutions per minute and requires less time per lap, and thus less time to climb the steep ramp and slide the valve at maximum extension.

Elevator is good, but not usually find peopleto radically increase the lift on the cams aftermarket for some considerations:

Make sure that this new momentum, there is still enough space between the valve (fully extended) and the cylinder (at TDC) to avoid any catastrophic failure Mechanical. They upgraded to lighter valve train with stiffer springs and valve springs, more control on the valve cam profile with this steep. And 'to add power, but does not shift the power curveor down as radical as changing the length of the cam is not, and so in most applications that we really want an aftermarket cam for our excellence in a certain range laps, so we care a lot more time to the best running (and some additional lift).

I know this is a rather complex topic, but I have to make sure that we speak the same language before you go this way with compressors. Before you decide to use the camshaft (or how to set the time on your stock cams) must seesomething very important:

The exhaust system and exhaust:

If you're one share log-type exhaust manifold, have a cat-piece, with a dual-cat exhaust system, exhaust pipes and a few small restrictive muffler on your car, then it is possible at full capacity, up to 10 bar pressure return.

If this is the case, would be my first recommendation, to a high flow, low-pressure exhaust system wins for updating the power potential, but IWe know that some of our readers who are self created for their parents or dual-use goods, in which their partners or the laws in force ... etc. are very strict when it comes to having any additional noise or exhaust systems exhaust. In this case, where the exhaust upgrades are not an option, then you must select your vote and your camshaft timing, which was absolutely the minimum possible amount of overlap. If you have a significant overlap, then rises above about4500 rpm, the compressor suffer more and more waste of power. When the compressor is designed for 7 psi boost, for example, then during the overlap, the cylinder sees boost 7 psi on the suction side and pressure 10PSI on the discharge side, the result is that the air flow from the high zone Pressure (discharge) for the area of ​​lower pressure (recording) and then the cylinder begins to fill with smoke. As the rotation continues, the outlet in the vicinityand ends overlap, and the intake valve remains open for the rest of the intake stroke (for the rest of the length of your intake camshaft), and the rest of the cylinder is filled with fresh air.

What happens here is that we filled a cylinder filled to 30 * overlap with the exhaust air, and then (from the original cam 240 * duration of a typical street) * for an additional 210 with fresh air. The result is a cylinder of only 85% is full of fresh air, or an engine that isliterally 15% less capacity! On the other hand, if our magazine for 18psi, for example, oriented, then during the overlap, we need to 18psi on the suction side and our exhaust pressure of 10 psi output, the result is this overlap that our compressor in reality only the production of value 8psi differential pressure between the intake and cylinder, and so we are just going to a performance improvement during the overlap 8psi. Thus, during this 30 * of overlapCompressor is only efficiently produce 8psi boost and then once the exhaust valve closes, the compressor will be able to return to the operating system complete with pressure for the other 210 *. The result is something like 16psi so fine at 2 psi (or about 12%) of our energy has been wasted.

Compressor from the tune selection and cam timing

Camshaft intake:

Because of the negative impact of overlap on the performance of the compressor and a car especially for high-drainAgainst the pressure, as most factory turbocharged vehicles, we find that the optimal duration of the cam intake cam * Duration is usually 30-40 less than a camshaft aspirated engine RPM for the same peak power. The decision to reduce the length of the intake camshaft, rather than divide the duration is reduced between the inlet and exhaust camshaft, the intake camshaft is equipped with air pressure flow conditions (the addition the compressor and increasing the intake manifoldPressure) at a time and then reduced the intake camshaft, the engine is still able to get is full share of the intake. At the same time, high speed is to increase the efficiency of the reduction of duplication and promote the generation of a cam with more conservative. Finally, if we like to get more flow from the camshaft intake, there is the possibility of a higher lift camshaft (with a steeper slope due to the limited time frame) with the support of the valve train to ensure changesFlutter valve does not occur at higher speeds.

Taking timing:

The timing of the intake camshaft would ideally be delayed, which would move the camshaft intake opening event to further reduce the exhaust valve closing event so or to eliminate overlap, and as a side effect of the duration of power Race delaying the taking to increase cam that has lost the power to compensate for the reduction of the length.

Exhaust:

The exhaust camshaft duration and lift for aSupercharged version of the engine should be similar to a cam of nitrogen, in the sense that the exhaust cams are nitrogen is based on specific:

1 - Very healthy, very healthy and duration cam cam for a greatly increased amount of exhaust gas to be able, doubling the output of the engine if the nitrogen is activated, allows the power (and therefore the gas discharge), both in abundance.

2 - How do you little or no overlap, if possible, would mean that any overlap with respect to nitrogenwas sprayed on the suction side and the exhaust gas, is the waste of our limited nitrous oxide. In addition, we have to overlap more, plus the compressor must be, since what we have already explained on both back exhaust intake, or to work under pressure of the exhaust of the compressor.

Timing of discharge:

Advancing vent it opens and closes the exhaust valves before. By opening the exhaust valve before reducing slightly the power stroke,But at the same time reduce duplication and better use of our compressor. Usually combined with an extended exhaust camshaft intake late, the best results on a supercharged car, especially with a restrictive exhaust.

If we had installed an exhaust system up, then it can not be of benefit to the exhaust cam, exhaust gas at high speed, engine performance is optimized for our needs, the combustion chamber of all gases, is a very significant progressefficiently. With a high continuous discharge, low-pressure exhaust system back and do not overlap, which means that each camshaft exhaust that give enough time to leave the cylinder, not the intake valve opens (because we have decided to delay it, or use a cam with less conservative duration) and then the compressor does not matter, nor any new fresh air, now is the empty cylinder and then be able to draw a part of the exhaust gas in the cylinder, the exhaust gasTo close the valve and the intake valve opens only on the cylinder is partly filled with exhaust gas to be found.

This is not a problem with an exhaust restriction, because a little restrictive exhaust 'time will be held on the cylinder at a lower speed is significantly longer, but with a higher exhaust system, we must be careful not to make outgoing calls ALL the overlap in time or over-the exhaust cam (too long).

Sun exhaust cam timing is advanced ordelay, depending on the change and the choice of the exhaust camshaft intake and, therefore, must be coordinated test.

It 'important to note that in all these changes in the selection cam overlap, power stroke duration and timing, and duration of power stroke is made and whether it will be reduced effective then we may need to change your mind to the test vehicle ahead ( for increased pre-) for losses in the duration of power stroke (also against the ever popular thoughtPre-ignition on the car when we charge a reduced power stroke or an application with considerable overlap, then it may be necessary to do so).

So here we see that the end result here is a camshaft with a duration of one-sided conservative, high-cam on the intake side and a normal duration, high-lift cam on the exhaust lobe of the minimum angle of separation and minimal (but not necessarily ) overlap.

The exception to this rule:

Some people take a car that startswith a 9000 rpm redline, has a compression ratio of 11.5:1 and a 280 * duration cam and a naturally aspirated engine-esque aggressive over time, and decided to update it to improve performance. An example is sucking SLK55 AMG Kleemann compressor for (which is already naturally aspirated 400 horsepower in the form of a compression ratio of 11:1 motor). In this type of application, if you use a cam to increase rather conservative, and select all overlap, and the power stroke, in combination with acompression ratio of 11:1 is already high and a fair amount of boost (7 psi or higher) you will end generated by a motor, the peak cylinder pressure and extremely high pressure and heat that can just start a chain reaction pre-ignition and detonation, and find that no matter how much time that will end the installation is powerless and still do not want to delay safe.

In this case, I would like my primary compression and power adders RPM, and myCompressor as my secondary power adder (that is, when I decided to change and that he went ahead and lowered the engine compression ratio). In this case goes well, some high-speed compressor to sacrifice efficiency in order to avoid the stress of high and low velocity of detonation. In addition to overcoming the overlap in this type of high-speed power plant should be aspired to have a centrifugal compressor which is able to apply more pressure and flow with the increased userpm instead of a root type charger that will run easily cut and flow (CFM), where a camshaft aggressive push "leaky" way.

Here's a great example of how cam supercharged performance optimization can involve:

The car is a 1.8-liter Honda engine, equipped with:

Overfeeding optimized large primary runners and short header Kamakazi A GReddy 2.5? SP2 exhaust exhaust system. A feed port LHT "S" magazine tube LHT brought an inlet manifold (No intercooler) A carbon fiber intake A race Jackson Eaton M62 supercharger for 7.5 to 8 bar aligned.

The black line is the bottom line with all these changes before running setup to get maximum performance at 223 hp @ 7600 RPM wheel.

The blue line is the power achieved after a complete tooth (variable valve timing for reduced overlap renovated, re-optimized and power optimized air-fuel ratio for maximum performance), reaching a peak power of 248 hp @ 8400 RPM.

You cansee the results table that correctly, reducing duplication and increasing the development of the car not only top performance by 25 horsepower, but more important is to shift around 1000 rpm at high speed through a more efficient compressor, avoiding the twice.

In line compressor selection and timing Cam

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Tuesday, June 28, 2011

2012 BMW 6 Series Coupe revealed

2012 BMW 6 Series Coupe revealed Tube. Duration : 1.75 Mins.


BMW introduced the 6-coupe, followed by his debut at the Shanghai Auto 2011th Designed to be the ultimate "dream car", the coupe has a "shark-nose" front-end bi-xenon headlights and a slanted grille forward. Further back, the profile has windows without setting, chrome accents and a distinctive C-pillar crease with the Hofmeister. Finally, in the back, there is a dual exhaust, LED taillights and a trunk lid with integrated spoiler. Inside, the cabin is flooded with high qualityMaterials and first class service. Highlights (brushed aluminum and wood cutting are also available) Dakota leather seats, high-gloss black finish, is a free-standing 7-inch screen and iDrive, a spacious trunk that can accommodate up to 460 liters (16.24 cubic meters ) of baggage. On the list of customer options heated / ventilated seats, a panoramic sunroof, Bang & Olufsen audio system and GPS navigation with 10.2-inch display updated. In the technology department, the car is a head-upDisplay, a rearview camera, night vision (with the identification of people), parking assist and a lane / lane change warning system. To start two engines will be available. The 640th has a turbocharged 3.0-liter inline six-cylinder engine that develops 315 hp (235 kW / 320 hp) and 450 Nm (332 lb-ft) of torque. If coupled with an automatic eight reports, the car accelerates from 0 to 100 km in 5.4 seconds and reaches a top speed of 250 kph (155 mph). Despite the impressive performance,The ...

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Thursday, June 9, 2011

short reports: 2003 Infiniti G35 Coupe (Start Up, unloading, tour)

short reports: 2003 Infiniti G35 Coupe (Start Up, unloading, tour) Video Clips. Duration : 5.98 Mins.


Incontinuation my "Short Takes" series of videos in All City Auto give a tour of a 2003 Infiniti G35 coupe. I take the viewer on a narrow view through the interior and exterior of the car, and show details on the functions and the identification of unique design elements of the vehicle. I also have the engine and shows details, start and see how it sounds when accelerating. A thorough examination / review of this car is designed to give others a greater appreciation of the overall vehicle.

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