YOu need to have the fw from the engine you are using checked for neutral balance. If it and the fw you want to use are both neutral you are home free. be sure to mark it in its relationship to the crank. If it is not neutral then the new fw will have to be match balanced to it.

Good luck.

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.