Tag: C4

This modification was performed on an 87 Vette with approx. 100K on the odometer, a gutted MAF, a K & N air filter, Jacobs 8.5mm plugs wires and Delco sparks that are 2 heat ranges hotter than stock. I tried this modification and my fuel pressure went from 30# to 40# with only this fifteen […] More »

This method worked for me on my PKE-equipped \’93 Corvette. Another guy and I shook the car so much the keys slid off the dash and onto the passenger floor! Anyway, here\’s how to save a call to the locksmith… What you\’ll need: 10-ga. wire, about 3\’ long (a coathanger might work, but generally the […] More »

… Here are the sure fail tests for the fuel system to save you time and money.. Take a fuel pressure gauge attach it to the schraeder valve.. turn the key on and off a few time to build up the pressure in the system… If you are having starting trouble the pressure will probably […] More »

Headlight Motor Repair Procedure The following instructions detail the repairing of the headlight motors for the C4, using Tools Needed: 1/4\” drive 10mm socket 1/4\” drive 13mm socket 1/4\” drive Torx #30 Nutdriver with 1/4\” socket Hammer Pliers Small punch Awl or sharp nail Truarc snap ring pliers Materials Needed: WD-40 Hand Cleaner Grease Parts […] More »

Enthusiasts that have installed long tube headers may find that their engines are running in opened loop because the O2 sensor is not heated to 600 degrees. This is especially true if the O2 bung is relocated to the collector. In the case of the Hooker 2149 header, the bung is located on the #7 […] More »

I used to have to slam my door every time to get it to close all of the way. I also had excessive wind noise from a window which wouldn\’t seal properly. One day I decided I was going to get serious and fix the problem once and for all. I had already replaced the […] More »

How to Adjust your Early C4 TPS and Idle Speed by Lars Grimsrud SVE Automotive Restoration Musclecar, Collector & Exotic Auto Repair & Restoration Broomfield, CO Rev. New 6-15-00 This tech paper will discuss the procedure for correct adjustment of the Minimum Idle Speed and for adjustment of the Throttle Position Switch (TPS) on the […] More »