the 617 should fit. i dont know what other issues you might have though. like pan clearance, wiring issues etc.

i would think you would want about a 265 rear ratio with the 617 engine.

not that hard to swap and i think that ratio came with the 2.6 engine.

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.