are 170ci blocks and200ci blocks the same

Asked by Dec 09, 2015 at 10:32 PM about the 1972 Ford Granada

Question type: General

i want to put a 200ci 1975 ford granada engine in a 1961 mercury comet in
place of a 170ci  are motor mounts the same and will i have other problems

3 Answers


AFAIK there were no changes made between those engine blocks until after 1980, when the bellhousing was redesigned on the 200. But you won't know for sure until you get them beside one another, the tranny length will probably play a bigger factor in getting it in there than anything else, and potential modifications in driveshaft length. Change it as a combo, engine and tranny.


You can also get a 250. This article is helpful --


the 200 is more hot rod able and easier to get parts for since its based on the 60s mustang 200 still .. better intakes chrome kits and internal aftermarket parts.

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