Chevy Corvette C3 - Fuel Tank Replacement

Fuel Retool

Jim Smart Apr 11, 2013 0 Comment(s)
Vemp 1304 03 Chevy Corvette C3 Fuel Tank Replacement 20 Gallon Fuel 1/22

The '68-'82 Corvette was the longest-running generation in this two-seater's 60-year history. Though the car's appearance evolved in that period to remain current, many of its basic mechanical features, including the fuel system, didn't change much at all. In fact, the 20-gallon fuel tank and line were virtually the same from 1963 to 1974, with the exception being a midyear change in the '69 model, from a non-vented tank to a vented one. There were then various changes to the filler and tank from 1975 on, to handle the federally mandated evaporative-emissions equipment.

We recently had the opportunity to follow the installation of a replacement tank (and supporting hardware) in a big-block '69 model. What follows is an overview of that job, performed by the resto pros at California Muscle Cars in Acton.

Vemp 1304 01 Chevy Corvette C3 Fuel Tank Replacement 2/22

1. We’re working with a frame that was powdercoated black by Pacific Coast Powder Coating in Palmdale, California. Anti-squeak strips (Corvette America PN 28404) are held in place with masking tape, which can easily be removed when tank is secured. You can also use 3M Super Weatherstrip Adhesive or Gasgacinch 440-B sparingly to secure the strips.

Vemp 1304 21 Chevy Corvette C3 Fuel Tank Replacement 1968 1982 Gas Tank Diagram 21/22

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