Another thing to check if your car starts hard and backfires is maybe your vacuum. If you have a large leak somewhere, open vacuum ports on carb, bad intake gasket. Get it running and partially close the carbs choke with your hand, If it starts to rev higher you most likely have a vacuum leak somewhere. You can use a can of carb cleaner to spray around, when you hit a leak it will temporarily seal it making the car run different. Dont chop off your fingers!
GR-RRR!
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1970 GTO 458 CID .040 over 4 Bolt 428 Block, Forged Eagle 455 Crank, 295 CFM SD KRE D-Ports, SD Old Faithful HR Cam + Comp HR Lifters, PPR Maxx-lite rods, Racetec pistons, PRW 1.65 SS Rockers, 900CFM Holley HP TBI, Performer RPM, Hooker Super Comps, 3" X-Pipe into 2.5" mufflers/tailpipes, 2.75 1st TH400, Continental 13" Converter, 8.5" 3.08 Posi.
Everything installed, fired up and tuning has begun!
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11-12-2002, 02:11 PM
Hybrid Mode
