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What are you running for ignition? Orange box?
What kind of fuel pump?
Sounds to me like it could be either weak spark or weak fuel pressure.



chrome ign box, i have a orange box i might try with the original kit. Fuel pump is stock, to be honest i did'nt check the fuel pressure, but i think it should be fine. It does'nt feel like a fuel issue, since you can back off, and then floor it again and it's fine. It's instant, like someone hit a switch, not like a random, fuel starvation issue, i've had those before, but this is different. ???