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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C2 & C3 Troubleshooting

By Chris Petris The most important tool to use when troubleshooting is a good memory or notes. If necessary, write down as much information as possible. This will help compile a troubleshooting notebook. A factory service manual is an invaluable tool when diagnosing problems. A road test is very important and notes should be taken […]

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C4 Interior Overview

The C-4 interior is comprised mostly of plastic. The 1984-1989 dash carrier is made entirely of plastic. All of the plastic dash fascia can be damaged quite easily just by over-tightening the screws. I use a screwdriver or a clutch-operated power screwdriver. When using a clutch-operated screwdriver, be sure to use the lowest setting to […]

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Corvette Glossary of Terms

For your convenience, the following is a glossary of terms commonly used in the Corvette community. ABS Anti-lock Braking System.  Sensors monitor wheel rotation and prevent wheel lockup during braking by modulating hydraulic pressure. ASR Acceleration Slip Regulation A-Pillar The post section between the door glass and the windshield.

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Corvette Cooling System

As summer approaches and temperatures soar to record highs, we would like to focus on your Corvette’s cooling system. Although it may seem more important to check the A/C system to keep you cool, you also need to make sure the cooling system is working properly for optimum A/C performance. As engine temperatures increase, A/C […]

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