timing chains

I’m building an iron 6.0L LS engine and just tried installing the timing set and the chain is super loose. I wasn’t sure how old this timing set was so I bought a brand new chain and it’s just as bad as the original. The machine shop align honed the block but I didn’t think

[portfolio_slideshow id=20919] A timing chain doesn’t seem like it has a lot to do. All it does is turn the camshaft in concert with the crankshaft, right? Well, yes… and no. On many V8 engines, accessories like the oil pump, mechanical fuel pump, and the distributor are indirectly driven off the camshaft. That means a