ON THE DYNO: Pontiac 455 H.O. engine with cast iron #197 rd. port heads. Low compression and very mild custom grind hyd roller cam with a F.A.S.T. EZ 2.0 EFI system. Very nice and streetable combo for this customer's 1972 Formula Firebird. Made over 480 HP and 530 ft/lbs torque. (Engine pics in comments) | Butler Performance Pontiac
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ON THE DYNO: Pontiac 455 H.O. engine with cast iron #197 rd. por…
4.3K viewsApr 23, 2016
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Time-lapse of a 5 year restoration: BARN FIND '67 Pontiac GTO rebuild-restomod with 455 EFI Ram Air conversion. We bought this barn find classic muscle car as an unfinished project. The previous owner had already disassembled it, it came with boxes full of new parts and a rebuilt Pontiac 400 engine. | DEBOSS GARAGE
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Time-lapse of a 5 year restoration: BARN FIND '67 Pontiac GTO rebuil…
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