I have a 96 cobra with appx 160k miles on it. I purchased a 99 engine for a steal of a deal with the intentions of rebuilding it with forged rods/pistons because i got it "locked up". I started to tear it down and found the only thing wrong with it was a broken chain guide that wedged itself into the chain gear. No other problems found I removed the heads and all the cylinders and chambers were in perfect shape. This engine has between 90-100k from what I was told. Any ill affects to just put some new head gaskets and timing set on it and just run it as is?