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New 496ci with 781 Heads 560+HP/600+TQ
Just did an engine for a customer and being that its a semi popular build and alot of people like to know ahead of time if there engine will make vacuum or not this would be a good base line.
Specs: 496ci 9.7.1 Compression Scat 4340 Forged Rotating assembly 781 Heads with bigger valves and mild porting Hyd Roller Cam 236/242 @ 50 .620 lift on a 112LSA Edelbrock Air Gap Intake Edelbrock Thunder 800cfm carb Vacuum = 12" @ 1000RPM, 11" @ 950 RPM (take from carb). http://www.youtube.com/watch?v=UMy3kAa0Wbo
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1971 Chevelle - 496CI, TH400, 3.73 gears, 3500 Stall ATK HIGH PERFORMANCE ENGINES WWW.HIGH-PERFORMANCE-ENGINES.COM Custom Built Street/Strip or Racing Engines! |
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