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need help!!!
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Posted by: yzf250racer
Just rebuilt my 302, 91 lx 5.0. gt40p heads, e303 cam, gt40 intake. everything is together and running the cam is right, distributer points at #1 on the cap, if I time it at 14 degrees it runs terrible and misses alot, if I advance it alot and I mean alot it still misses but not as much but it pings like crazy...there doesn't seem to be any happy medium. as soon as I back it off a hair to stop pinging under acceleration it starts missing real bad again. Any help would be great.
Posted by: VETTKLR
fuel pressure?
got a laser/thermometer? Shoot the temps at the headers and see if you have a dead cylinder. Might have some rockers too tight.
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