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Old 08-30-2007   #39
Shane@DBPerformance
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Join Date: Oct 2003
Location: On the dyno
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Re: Dynoed today.

Did you guys check the fuel pressure during the runs? Huge injectors can cover up a fuel pump that is dropping pressure. I am running a single Walbro 255HP on E85, but with 1600cc injectors and would probably make around 520whp on a FWD Dynojet. The 1600s are way over compensating for an overworked fuelpump that is dropping pressure. It isn't the right way to do it, but it is working for now until I get another pump working in there. It is much easier to tell when a fuel pump is giving on a speed density car(AEM EMS or a Honda ECU) without even having to monitor a fuel pressure gauge during a pull, because the fuel requirements won't make sense.
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