The LS Engine Family

 

The General Motors engine family commonly called the LS series debuted in the then-new1997 model year C5 Corvette as the all aluminum LS1 V8. General Motors called it the

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Tips For tuning Aftermarket EFI Systems

Sometimes when you are tuning an engine that is already in a vehicle on a chassis dyno, a lot of strange things can happen that you should be aware of.

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Tuning For E85 Fuel

For an owner or tuner that has never tuned an E85 vehicle it can be a frustrating experience. First, if you don't know much about the background of E85, what it is,

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Open Loop Vs. Closed Loop

A term you are bound to run across when tuning an EFI fuel injection set-up, is the term closed loop o2. The purpose of this article is to explain how

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The Basics Of Air Fuel Ratio

What is lambda, and the difference between narrow band and wide band 02 sensors?

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The Effects Of Air Intake Temps On EFI

Tuning Air intake temp sensors have become vital to getting a good steady tune on modern EFI systems. The following is a article about how IAT's (Intake Air Temps) effect

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How To Re-Wire A Fuel Pump Off A Relay

When putting in an aftermarket fuel pump or looking to get more fuel out of your factory pump, one mod worth doing is re-wiring that fuel pump. The purpose of this

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MAP Sensor Vs. MAF Sensor Whats The Difference?

Each EFI car today is equipped with either a MAF sensor ( mass air flow) or a MAP sensor ( mass air pressure). Some cars are even equipped with both

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