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Old 02-09-2011   #30
Shane@DBPerformance
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Join Date: Oct 2003
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Re: All Sorts of Higher-Flowing fuel pumps coming onto the market

Quote:
Originally Posted by scheides View Post
Nice.

So next question: MAP made 640whp on the DW300 on a 1G rewired...peak power was at ~6300rpm. Does it take more fuel pump flow (or injector for that matter) to make 640whp @ 8000rpm vs 6300rpm?
We can usually get a little farther with a Walbro 255 HP on a DSM than a Evo(around 420awhp on an Evo versus 440-460awhp on a DSM), but it is mostly lilkely because every DSM guy has their fuel pump rewired with a big wire going directly to the battery, while almost none of the Evo guys do that.

You definately need more injector to make the same power at a higher RPM. The more RPMs, the less available time an injector has to fire before the next revolution.
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