Thread: The 427 Cobra that AC Cars was SUPPPOSED to build
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Old 05-23-2021, 08:23 AM
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Cobra Make, Engine: FFR MkIV 427
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Quote:
Originally Posted by blykins View Post
The 390 wouldn't have been lighter weight. All FE blocks are the same. If anything, the 427 is lighter because the bores are larger.

I think a lot of the stuff you read is speculation or opinion.
It was an experimental aluminum 390 FE. It was tested in Ken Miles car and failed every time it was raced.
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