I have no specific info. They might be close. The earlier 617 will be a better choice than the later since it is designed for a more similar engine compartment.

Best thing is to get a 115 body with the desired motor and sit them side by side and do a tale of the tapes, measuring as much as you can before starting with your wrenches and torch.

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.