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Shawn,he was talking about a new "cast steel" crank not the stock factory crank.

I will take the 4.5 stroke any day of the week to get a heavy bracket car to move.
In a marine application where the engine has to the rpm's for longer time frame I would prefer a shorter stroke.
A...

I would love to hear the reasons not to run the 4.5 stroke crank.
I have a customer that brought me a 4.5 forged crank and rods from TMD.
He started running 6.50's with ported dove heads and a...

I would try a set of Blue Thunder heads on a 557.
I would run a hyd. roller cam.
I have used Crane part #359351 in a 514 with very good sucess.