What piston engine will fit a 91 RX 7


Asked by Oct 12, 2016 at 03:54 PM about the 1991 Mazda RX-7 Convertible

Question type: Shopping & Pricing

I want to remove my 91 RX 7, rotary & automatic to a piston engine with a
manual transmission that will fit.

1 Answer


It is not going to be easy, but I have seen a few with 305 chevys in them, it requires a lot of custom fabrication and they back it up with a turbo 350 transmission. You better rethink this as this is going to be a big project to do it right. You would be better off finding a wrecked running RX7 with a manual trans and do the power train exchange, then you know you have enough parts to make it complete.

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