Spring Tune Up Guide

For Corvette owners that live in the northern climates, the season of Spring is a cause for much celebration. The days are not only longer but also warmer, the rain has washed the last remnants of salt off of the roads, and thousands of Corvettes awaken from their hibernation with a rumble. Why not make […]

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LS Engine Swap for C4 Corvettes

The following is an engine swap workshop guide that was produced by Chris Petris (www.petrisenterprises.com) in cooperation with Corvette Central, with assistance from Jared Ochs of Current Performance (www.currentperformance.com), and Chris McDonald of www.mcspeed.com. Developed in conjunction with GM Performance, Corvette Enthusiast, TCI, Holley and Vette Brakes & Products. Photo credit: Chris McDonald. We will […]

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C4 Fuel Injection Overview

Speed density was the first fuel control system used on 1982-1984 Corvettes. It was also used on the 1990-1993 cars. Speed density uses a manifold absolute pressure sensor (MAP sensor) to calculate the necessary fuel load. The 1990-1991 cars have a MAP sensor bolted directly to the intake plenum. The 1992-1993 cars have the MAP […]

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