Recent content by C3L81GUY

Loud tapping/knocking noise after warm up identified Many thanks to everyone who has responded to this thread. You guys are great! The noise turned out to be a bad fan clutch. While he's at it, the mechanic found the water pump is starting to go south so he'll replace that also. Total cost of...

Hi Chris, It was 40 PSI on the gauge. (Did you mean an L82 in your 1980? In '80 I think there was only the L48 and L82 available. L81 was specific to 1981). Anyway, I'm taking it to a mechanic within the next few days.

Hi Tim, No, it wasn't missing, just running as usual. No popping observed, but I have heard the side pipes popping before on the street at idle. The guy I bought this C3 from had them installed before I purchased it. This is a different noise; more engine located. Didn't turn on the AC, but it...

Hello everyone! I have a 1981 with the original L81 (190 HP) in it with 87,000 original miles, side pipes but no headers. Other than the side pipes, everything else is original, decent shape. Today I started it up and let it idle in the driveway, hood open. After about 5 minutes I heard a loud...