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Did you have any issues with the fast fitting your heads properly ?? I could swear I remember a couple members trying to match the FAST to the TERMINATORS and saying there were alignment issues. Doesn't sound like you had too much problem.
The floor is about 1/4" mismatch, these are my old heads. As he stated the intake bolts up just fine, it was the mismatch that was a concern but hasn't been proven either way by anyone.
Glad to see you doing well with them! This is still the 383 right? Must be snappy as heck to drive.