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Category Archives: Performance Parts

K03 vs K04 Turbo for the Audi & Volkswagen 1.8T

What’s the last time you saw an Audi on the road older than a first-generation A4? The B5-chassis A4 was a turning point for the brand, and it’s probably the reason Audi is still around today. It was also the first vehicle to use the 20v 1.8T engine, which soon found its way to the…
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The Right Way to Delete Power Steering From Your Honda Civic EG

On the 1992-1995 Civic, trim levels CX, DX and VX came equipped with manual steering, while the higher-spec LX, EX and Si had power steering as a luxury feature. 25 years later, when most of these cars are modified and few are left as humble commuters, the manual steering is more desirable; when the car…
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How to Delete Power Steering From Your Fox-Body Mustang

The Fox-Body Mustang is having a collector car moment right now, probably due to nostalgia, but also because the cars were so undervalued for so long. They’re relatively light, plentiful on Craigslist, and the aftermarket is huge, so you can make it whatever you want; not to mention all the other cars on the Fox…
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What is a T3/T4 Turbo?

The T3/4 is a common hybrid turbocharger for custom, high-performance applications. There are different turbine/compressor wheel and bearing options available, but the one thing they have in common is the use of a Garrett T3 exhaust housing, and a larger T4/T04 compressor housing. The smaller exhaust housing (hot side) retains the responsiveness of a small…
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How to Identify Your Duramax Diesel Engine Code

For the 2001 model year, General Motors finally replaced the Detroit Diesel 6.2L and 6.5L turbodiesel V8’s they had been using for 20 years, with a new 6.6L V8 developed in-house with Isuzu’s heavy truck division. The new engine was much more powerful than before, being developed from the beginning for turbocharging, and using Bosch…
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Ford 7.3 PowerStroke Turbo Buyer’s Guide

The Ford 7.3L PowerStroke diesel engine has legendary reliability, but since these trucks are around 20 years old and most of them have 200,000 miles or more, a few repair bills here and there are to be expected. One of the most common repairs for a 7.3L is turbo replacement. The turbo isn’t designed to…
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Boosting Engine Performance Turbocharger Upgrades and Other Critical Areas to Focus On

With a general trend towards raising emissions standards both domestically and internationally, the consensus among automotive executives over the past few years has been to prioritize fuel efficiency over performance. Despite never-better results from the racing world, consumer vehicles tend to deemphasize the gains in power engineers have been able to achieve with the latest…
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The Ultimate Turbocharger Diagram

Turbochargers are one of the most complex components of an automobile. Much mystery surrounds the turbocharger. It's somewhat of a “mechanical monster” to most people - even those folks that actually own a turbocharged engine. And that's somewhat surprising; after all, turbochargers are pretty slick pieces of machinery. They do totally cool things to an…
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5 Reasons to Invest in the Best Muffler

You want the best for your car, right? If needed, you’ll put in the 89 or 93 octane fuel. You’re always on top of oil changes, and you regularly perform routine maintenance. When it comes to replacement parts, the same principle applies: given the choice of an average part and an exceptional one, superior quality…
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