Re: GLMV64MER manifold kit for 4.3L I/O
Hmmm. Thanks Bondo for the warning. How did you know they weren't flat? Were you able to tell with a standard straight edge like a scale or level, or did it have to fail first?
Anybody else have this problem, or might this be the one bad one?
Ayuh,.... I
Wish I'd checked 'em before I put 'em on,...
After I hydro-locked the motor, 'n pulled 'em, ya, you can see it,...
The inner exhaust edge was 'bout .020/ .030" Low, compared to the outside perimeter,....
Flattened 'em on a big beltsander at the Machine Shop, 'n they're still on the motor, runnin' fine,...