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Old 05-30-2017, 01:50 PM   #6
Scooby Newbie
Member#: 449723
Join Date: Jun 2016
Chapter/Region: South East
Location: Atlanta, GA
2015 STi


Originally Posted by rexworx View Post
^^^ Yes you're running out of pump... I was to with they same setup but with Kelford cams etc and a 65c. Get a AEM320 PN 50-1215. That's what I ended up going to but also switched a bunch of other stuff. Looking through my logs though. You can deff see I was running out of pump volume.
The AEM 320 is a great pump but with 1000s you're still going to run out of fuel in the low to mid 400s whp on E85 or low to mid 500s on gasoline based fuels. The easiest way to go further with the fuel system is to simply upgrade to 1300s - those coupled with an AEM 320 will get you to the low 500s on E85. Anything more than that I would go with a Walbro 485 12v modded in the stock basket.
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