When a bolt or screw breaks off it leaves the hot rodder feeling befuddled and without hope. But take heart—Summit Racing Equipment, Harbor Freight, and Dave Akard of Burbank Speed are here to help ...

We have all done it, overtightened a bolt and blown out the threads. When a bolt starts to tighten up and then go suddenly loose, you know that the threads are toast and now you have a problem.

ZedSled, our project 1978 Chevrolet Camaro is receiving an LS conversion, specifically a 6.0 LQ4 truck engine, an iron-block version of the LS2. The six-bolt main block is stronger, but it's 70 pounds ...