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Thread: Ignition curve 455
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05-04-2006 #1
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- Feb 2005
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Ignition curve 455
I'm about to check my ignition advance curve, but I'd like to hear how you guys think the curve should look like.
My motor is a pontiac 455 with trw race pistons (Little uncertain about compression, but should be a little but over 10:1). Edelbrock performer RPM heads and intake, proform 4bbl carb. Hedman hussler headers and flowmaster 40's. My cam should be 280 degrees at zero lift with hydraulic lifters and roller rockers. MSD 6AL ignition. Rear end is 3.08, gearbox is a T-10
I think it's advancing to fast now. Below 3000 rpm it pings (maybe it's just the headers ??). Maybe the engine specs craves running the gears out, but I would like to enjoy the torque... This is my first US car, so I'm a bit of a beginner..
Thanks Stefan
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