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Re: Help with tunning and fuel pump
when looking for aftermarket pumps, just make sure they support PWM, Pulse Width Modulation, that is what is needed for a returnless system. Way back in the day, when I put a 340lph pump in, I had to have the tune adjusted.
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Darrell
Black '04 Mach 1
Track Times (bone-stock w/drs):60 ft - 1.90 | 1/8 - 8.67
(100 shot,E85,4:10s,Street tire):60 ft - 1.67 | 1/8 - 7.88
New build - 750rwhp; not track tested (yet)
Mods: Build Log
Paint&Body
Tuned by Manny @ HPP
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