can anyone give me any insite on why this truck is backfiring at the top of first between 2500rpm and 3200 at 100% throttle bk 2 1-29-21.hplbad backfire race tune 1-29-21.hptit backfires 2-4 times then when i shift into second it goes away truck is stock engine with FMVB transmission i have a sligtly bigger AFE bladerunner turbo
Only thing I can see is the fuel pressure jump from 8783 to 17708 psi
I can help you...i have a 2003....they tend to do that...its mainly in timing
03 cummins,175% flux injectors,dual cp3,s467.7/83 1.00
Nv5600 with valair triple disc clutch
If heard it has to do with pilot timing is that correct?
Yes...ill send you a pm
03 cummins,175% flux injectors,dual cp3,s467.7/83 1.00
Nv5600 with valair triple disc clutch
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