Match Race 1972 ~ 'Road Runner/GTX 440' vs. 'Buick GS 455'

1972 Buick GS 455 'Stage 1'

455/270 HP

280 HP @ 4400 RPM's {Rated at BHP. SAE Net}
390 Ft/Lbs. Torque @ 3000 RPM's

Compression............... 10.5 -1

Pistons........................ Dish Type
Deck Height................ -.010" {Below Deck}

Cylinder Head.............. #1238148
Intake Valve................. 2.130"
Exhaust Valve............... 1.755"
Combustion Chamber... 59.0 CC

Carburetor.................... Rochester #7042242 {Factory Modified}
Throttle Sizes................ 1.375" Primary ~ 2.250" Secondary
Venturi.......................... 1.218" Primary ~ Automatic Vacuum

Distributor................... AC Delco {Factory Advanced}

Camshaft..................... .490" / .490" Lift