If your Corvette was built after 1981, the Check Engine or Service Engine Soon light will illuminate at some point. Unfortunately, there are many misconceptions about the glowing yellow light.
Have you ever thought about how the correct rear axle ratio affects your Corvette’s performance? First, learn what ratio you have hidden away in the differential housing. Early Corvettes (1960-1970) may have many different ratios; later Corvettes had fewer choices, in an effort to boost fuel mileage, and by the mid-80s performance gear ratio options […]
If you own a C-4 equipped with Bose sound system, you will eventually need Bose amplifier repair or replacement. Every Bose sound system equipped C-4 uses one amplifier per speaker. This is the weak link. Amplifier capacitors are filled with electrolytic fluid which ultimately leaks out onto the circuit board causing failure. If the leak […]
Automotive door sealing technology has improved dramatically from the early days when rain water came in from all angles. By 1969 GM changed the outer seal strip that wipes the glass clear on those damp mornings to do a good job of keeping water out of the door. In turn it kept water off of […]
This is the third installment of a C4 suspension overview series. Click to view the first article, Click to view the second article. In this installment, we tackle the rear suspension bushing installation and component installation.
The polyurethane bushings for the rear differential carrier or “batwing on a C4 measure 2 1/8” diameter on the portion that fits into the carrier hole. When You press the original rubber bushings out, there is an outer “sleeve” from the bushing that remains. This has to be removed as well. One simple way to […]
Assembling the perfect valve train combination is challenging for even the most seasoned engine builders because there are so many variables involved. One area of the valve train that many people have difficulty with is selecting the perfect rocker arms. With a wide variety of options available, it can be hard to know which rocker […]
This is the second installment of a C4 suspension overview series. Click to view the first article, Click to view the third article. Once all the original bushings are pushed out and the parts cleaned up bushing installation can begin. There are a couple of things to be aware of before the first bushing is […]
This is the first installment of a C4 suspension overview series. Click to view the second article, Click to view the third article The fourth generation Corvette was a radical departure from General Motors early Corvette engineering. It eliminated a perimeter frame to support the suspension and driveline. Two front frame rails integrated into the first ever Corvette uni-body […]
Exhaust systems have improved immensely from the early years when we would replace rear exhaust, mufflers and tail-pipes almost yearly on dual exhaust vehicles. Corvettes were no exception. If they were driven infrequently with rich running engines, it destroyed the carbon steel exhaust tubing quickly. The rear of the exhaust system was most prone to […]