COMP XE274H 230/236@.050″ 110LSA, 455

Camshaft Brand
Vehicle Make
V8 (All)
Camshaft Name/Description (Product Line, Grind Details, etc)
Xtreme Energy XE274H 230/236@.050 110LSA
Camshaft Part Number
Hometown (City, State)
Midland, MI
Owner's Name
Thomas Grossman

Vehicle Description

This 1967 Pontiac Firebird Convertible features a 1975 455 block bored .030, It is running #670 1967 heads with swirl polished REVV racing valves with undercut stems, and Scorpion full roller rockers. Running Keith Black Hypereutectic dished pistons giving it 9.4:1 compression, Camshaft is a Comp Cams 51-224-4 High Energy Camshaft with a 274 intake duration and 286 duration on exhaust, .488 lift intake/.491 lift on exhaust and a 110 lobe separation, Edelbrock Performer dual plane intake, topped with factory Ram Air -air cleaner package for cool air inlet. Exhaust is Cast Iron Ram Air Restoration long branch exhaust manifolds with 2.5′ openings into full mandrel bent 2.5″ Pypes exhaust. Ignition is a Pertronix electronic ignition house in a factory points unit with Pertronix plug wires and Flame Thrower Coil into AC Plugs. The carb is a 1970 Pontiac Quadrajet 7040264 modified to run with the combination, Car is a 4-speed Factory Muncie M-21 and 3.42:1 rear-end