Forum Discussion
Acdii
Jun 29, 2016Explorer
Look down the barrels of the carb. If was really using that much fuel, you would see it going through the venturis, especially the secondaries. Rev it up a few times while watching, then rev it to about 2400 RPM, which I think with the C6 is about 50 MPH depending on the rear gear. If you see a white cascade of fuel, that is the problem, if running correctly, you should see very little fuel being sucked in, a fine mist maybe, but that would be it. Also pull the plugs that are easy to get to, if its really burning a lot of fuel, there would either be heavy carbon deposits, or they will be spotless. I used to rebuild those motors, and I can't imagine one using that much fuel that didn't have a blower on it and a pair of quads, or ram air.
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