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LOR=red]Deeygee[/COLOR] :( I just had a procharger p1sc installed. Had it tuned and dynoed at powertraindynamics. 394rwhp 394 tq. I have a 01 lightning maf. and 42# inj. The problem is when I accelerate to full throttle it starts to buck around 4k. only under hard acceleration. I added a kenne bell boost a pump and a 255lph walbro fuel pump, and new ngk tr6 sparkplugs. Has anyone have this problem?
 
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