i know, wrong place, but i'm kinda scared of the alternatives ;)
took delivery of an avalanche 5.3 vortec, was told it has bad valves. compression is 150-165 across all cylinders (cooled, don't wanna burn my hands lol) so... well, that's not it. found a lot of obvious problems but want to run it on a scanner for better diagnosis. fer me own knowledgez
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