maybe its a broken off bolt... but why is it that the back side had nothing at all... it had a rust mark but was easly removed with a wire brush... only removed 3 bolts total but 4 went it...
ive never touched mannys before... as far as i know teh owner before me was a older guy...
02 Chevy EcSb Z71, 5.3, Helix Tb Spacer, AEM Brute Froce Intake, Msd 8.5 wires, NGKTR55 IX, B&M 25k Trans Cooler, Hypertech 160, Nelson Tune, Nelson Harness & Ls1 fans, Fully Built tranny, tb2600, 216/224 551/551 115LSA, yeller z06 springs, magnaflow, cut-out, hi-flow cats, etc...