Theory Pages - What Works and Why

Compressor Map Tutorial

Learn to read a compressor map and pick the right turbo for your car. Be the envy of your friends and neighbors.

Basic Automobile Downforce Tutorial

Learn about how air flows around a car and how to use its effects to increase performance.

Basic Airfoils Tutorial

Learn how wings work and how they are used to create downforce on cars. Supplement to Downforce Tutorial.

Toyota 4A-GE Oil Pump Shim Study

Building a 4A-GE motor for higher-than-stock engine speed? Then you need to shim your oil pump. Find out how.

Chromoly Roll Cages

A comparison of chromoly and mild steel and how the differences can be used to your advantage in a roll cage.

More coming soon!

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