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What Makes the Best Air Intake?

We built (and actually tested) different intake designs.

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Ask an Oil Expert Part 1: All About Oil for Street and Autocross Use

We ask various experts in the engine oil industry questions most commonly fielded by automotive enthusiasts.

Garage Project: Is Your Clutch Pedal Slowing You Down?

Want to go 3-4 mph faster down the straights after installing a simple $20 part? BimmerWorld offers that advantage.

Aston Martin , Cadillac , Chevrolet , Ford , Pontiac
T-56 Transmission Guide

Which Flavor of the Legendary T-56 Transmission Fits Your LS Swap-and Your Budget?

How Turbochargers Work

Ever wondered how a turbocharger makes your engine produce more power?

How to Add a U-Joint to a Steering Shaft

Tips to remember when adding a U-joint to your steering.

How a Twin-Clutch Transmission Works

A gearbox for all drivers.

Easy Replacement for More Miata Displacement

Building a top-of-the-charts, 2.5-liter Miata in less than 24 hours

Mazda
How to Modify the ND-Chassis Mazda MX-5: Tips From Good-Win Racing

We posed a simple question: What are the three most important modifications to make?

Porsche
Tech Tips: Porsche Boxster

Can you live with an older Boxster?

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