that if your timing chain is not broken, then it is unlikely that any valves hit pistons. but a compression test is pretty easy to do. so yes, i would do that. i dont know about the other quesitons but i seem to remember hearing that the front covers must come off.

tom w

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.