What's the biggest engine I can put in a 75 mercury comet?

Asked by Isaac Oct 22, 2020 at 12:37 PM about the 1975 Mercury Comet

Question type: Car Customization

I just got a 75' mercury comet and I'm being told the
biggest engine I can put in it is a 302L and I'm
wondering if this is correct

1 Answer

A 351 Windsor should fit. You would have to do some measuring to see if a FE, Cleveland or 385 series engine would fit.

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