Quote:
Originally Posted by blykins
I don't love flat tappet cams, if that's what you're getting at.
I wasn't raised in the 60's when all of this stuff was original, so I like playing with factory combinations. I have 2-3 good head porters at my disposal and it's just nice to see what I can get out of factory parts: a 510 hp 427 with LR heads and intake, 425 hp 428 CJ with factory cast iron intake, etc.
I also suppose that since I do a lot of brand new aftermarket combos, it's nice to get something a little different in the mix.
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No, I wasn't getting at that. But what I have always found interesting, from a historical perspective, was that for the first few years of all the 427 flavors and matches, Ford never went over .525 gross lift, which was just barely over .500 when you take in to account the lash. The duration, and LSA, changed between the different levels of performance, but not the lift.