Stock fuel system????
04-12-2009, 08:37 PM
#1
Stock fuel system????
So yeah, I'm a boost noob and I was wondering if someone could tell me a proven amount of boost the stock fuel system of a 99 em1 would handle? Not an opinion but a proven number... I know its not a lot and I know I need to upgrade the fuel system and I'm going to, I just don't want to push too much and lean out the car and damage my internals. Thanks in advancre 
04-13-2009, 03:19 AM
#2
Mr. Badwrench
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Re: Stock fuel system????
boost is irrelevant. power is the constant. if you are talking in terms of fuel pump, it was designed to make the power the car makes stock. thats about it. the stock pump may make more but you are asking a lot out of it.
FWIW, i made 540 on a single walbro, aeromotive reg, and stock lines to the filter, braided to the rail, and a braided line to the reg and return all -6.
FWIW, i made 540 on a single walbro, aeromotive reg, and stock lines to the filter, braided to the rail, and a braided line to the reg and return all -6.
04-13-2009, 07:50 AM
#4
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Re: Stock fuel system????
Get a walbro 255 and maybe new injectors, it depends on your goals. I made 450whp with a single 255 and new injectors. The rest of the fuel system was stock
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