DeatschWerks DW65c - Subaru WRX Forum
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post #1 of 3 Old 01-30-2012, 02:10 PM Thread Starter
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DeatschWerks DW65c

Hey all I was wondering, I just saw these new fuel pumps from DW and wanted to know (since I'm not familiar with the flow rate scale) if you think the DW65c

- link: DeatschWerks DW65c Series Fuel Pump w/ Install Kit Multiple Models (inc. 2008-2012 WRX/STI / 2005-2009 Legacy GT) at

Would be sufficient (with injectors of course) to run 400-420 whp, assuming everything else was built properly. My goal is 400 whp, and I'm trying to build with that in mind, essentially setting up all the pieces and then getting the bigger turbo.

If so I may be getting it for only 150.

Thanks for any/all help,
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post #2 of 3 Old 01-30-2012, 04:03 PM
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Your injectors will limit what you can make more than your fuel pump. Unless you're planning on running a surge tank because you plan on racing the car on the track and that's just a different set-up. Basically unless your tuner tells you otherwise...that fuel pump will be sufficient.

378awhp/373wtq Custom Dom 3 & CBRD tuned 2006 STI.
"When in doubt...flat out" - Colin McRae
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post #3 of 3 Old 01-31-2012, 12:33 AM
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ya for 400hp all fuel pumps will work, even the $70 walbro 255. id go with 850cc injectors to be save and you can hit that no problem on pump. 1000cc if you go e85. doubt your motor will last long but it can do it.

Scott-2011 WRX 335HP 394TQ 93 VF52!
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