My engine employs an original 289 block .030" over. with a 302 crank (turned .010/.010). TRW forged flat top pistons with stock rods (Pioneer aftermarket rod bolts). I use a Canton windage tray and crank scraper. I think that's about it for the short block.
TrickFlow TW heads are pocket ported and gasket matched, making about 9.5/1 CR. A CC 268 HE cam hydraulic flat tappet cam is used ( 218/218 @ .050) and uses 1.7 TrickFlow rockers making .485 valve lift.
A 625 CFM Road Demon carb on a ported Edelbrock Performer intake is used to emphasize low end torque.
Tri-Y Y headers (a la Shelby) are used with 2.5" custom exhaust with 3 chaamber Flowmasters.
I did build a home made cold air induction system that does seem to help a little.
My C-4 has a B&M shift kit and a TCI 2500 RPM stall converter. An 8" Currie 3.25 Traction-Lock rear puts the power down to the track with BFG street radials (235/15's).
If I forgot anything, just ask.
And, March under drive pulleys.
Rev
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'66 Coupe, 306, 350-375 HP, C-4, 13.07 e.t., 104.8 mph, 1/4 mi.
O.B.C. #2
'66 coupe
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