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      02-13-2014, 10:08 PM   #1198
ZStig
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Drives: Interlagos Z4MR
Join Date: Jun 2008
Location: Delray Beach, FL

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Quote:
Originally Posted by gmd2003 View Post
It only flows better than stock at 80psi if it's getting enough power . Centrifugal pumps take a ton of juice apparently a stock system only provides 1/4-1/2 at best . The recommended Aeromotive wiring harness is a 30amp switch !!! Running them under power can make them fail early as well , which is why I was ok until recently . If ESS , AA, and VF say the regular pump is ok then I'm going back to it . Remember I was chasing the wrong pulley situation when I replaced mine . ( should have just changed my filter ) my two cents . Between my flywheel / clutch "upgrade " and this my new moto is if it ain't broke don't fix it lol . The problem of only improving one point of a stock system is the rest doesn't work together well . If you put in a lower bar fuel pressure gauge to make an aftermarket pump happy then you have to adjust the tune . It's a slippery slope .
My two cents
George
wish I didn't read your initial post about how the aeromotive pump really increased your top end pulls

My initial pump started going bad after 3-4 months, but you've probably put yours through a lot more wear and tear. Checking my air fuel ratios is probably my next step. Maybe a code reader can tell me about how the pump is performing too.

What about E46 M3s that use this in their HPF turbo setups, I didn't see them upgrading wiring in their install video. Is our car that different?
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