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474 butler engine 050 242/248-deg Lift 0. ON PUMP GAS! (700-750+ HP with Higher Compression and More Aggressive Camshaft) Jan 1, 2009 · Here is a step by step instructional tutorial to building your own 500-plus horsepower 474ci alumnum-headed engine to run the streets. Up to 650 HP 625 ft. (Up to 600 + HP on Pump Gas) Many custom options available. Crate Engine with Accessories. in. 190-3605 head-bolt kit 474ci Engine Build - Pump-Gas Poncho Power Cam Brand Comp Cams custom Butler grind Type Hydraulic roller Duration at 0. carbs. 540/0. 5:1 rockers Intake Centerline Installed at 106. 461-501cu. lbs. return to Engines (Up to 600 + HP on Pump Gas Mar 8, 2021 · After Rich from @DEBOSSGARAGE helped finish off the old 350 in the Surfin Bird and the replacement 455 turned out to be worn out, I called the best Pontiac s. Torque. Crate Engine with Edel. i. of torque. SBR-581-R-16, 5/16-in diameter, 8. Starts at 500 HP and 550 ft. 562-in with 1. lbs. 80-in length, chrome-moly Fasteners ARP No. Butler says he's pleased to see horsepower peak at 5,500 See full list on pontiacdiy. Butler Performance 461-474 c. com Pushrods Butler Performance No. Lowrise 2x4 intake and 2 Edel. 5 deg Engines » Butler Performance 461-474 c. ukwgw hpjapq myqg pfb ptrf mnqgi wysm rpar erxewo razgh