F3ZE Heads on a 289

rustypee

New Member
Sep 5, 2008
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Swapping Cobra F3ZE-AA heads onto a 289. Measured the valve stem to seat distance and the F3ZE valve stem is .200" taller than C5AE valve stem.

Do I need to use pushrods that are .200" taller than stock or will stock pushrods still work properly?:shrug:
 
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