Hey Dennis, Rex Carpenter here. I guess after reading your post my 73 GTO won't be able to run there either. This engine is a 413 (400 + .60) with round port E-heads a RA IV cam RA IV exhaust manifolds Performer RPM intake, & a Q-jet. $ spd. with a 3:73 to 1 rear end. LOL. But maybe my new engine next year a 455 + .60 over to, & most of the same pieces from the 413. I love my RA IV cams. 2 years ago with a 455 + .30 over it went 11:77 @ 122, I'm hoping for a bit quicker this next year with the new 469. With a trick intake system on it.
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