Thread: Announcing New Kirkham Billet Aluminum 427 Block
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Old 02-22-2007, 06:23 PM
rsimoes rsimoes is offline
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Quote:
Originally Posted by rphubbard
MRMAX,

The reason Ford did not go with the aluminum block on the 03 Cobra was it could not pass Ford's own durability testing. I saw several aluminum blocks fail and also the powdered metal rods failed. That is why the engine went with cast iron block and forged rods.

Regards,
But isn't the Ford GT an aluminum 5.4 with a blower?