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Is it possible you need more injector? Power numbers seem low to me for twins of that size?
I'm running a single 63/67 and cleaning up all my fuel with P&P head, cam, .020 over big bowl pistons, and a benched 215pump set at 25*. Fastest I've run so far has been 8.78 @ 78mph and I'm an Ext Cab LWB like you, and I'm cleaning up all my smoke going down the track and only pushing 32-35psi. I'm pulling my 5x14's this weekend and ordering some 5x18's from Chris @ Ducky Fuel Injection
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Mark
2007 2500 Mega 68RFE FirePunk EFI/CSP5 & TCM tuning, Edge CTS II.
1997 2500 Jokerfab cyl head, PDR street cam, FDS benched pump, DFI 5x18's, HX35 63/67, FirePunk 47RE & anteater.
2003 Jetta TDI 5spd "DZL WGN" lot's of mods
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