Originally Posted by JohnnyBenFenner thats the thing. I myself also just recently installed my Walbro 255 in my car after putting it off forever. I have boosted anywhere from the stock boost on my T25 on up to 15+ pounds on my Greddy Turbo with no problems at all. ALso when I drive my car I dont drive it like im scared its going to break so its get taken through the gears alot because i know its reliable. I also, on my Old NX sprayed a 50shot dry with bolts ons and never had a problem (not as bad as boost but a dry kit bumps fuel pressure directly to add fuel to the car).
Yeah for only $100 you can have a Walbro. But as Robj80 already said...if it aint broke why **** with it. The stock fuel pump WILL flow.
Tokes, My Wideband showed 11.9-12.0 (what its tuned for) accross the board with the stock pump. This was on 15 to even 17lbs. It never ran lean because the pump couldnt supply enough fuel. If it ever ran lean it was because it wasnt tuned right. The stock fuel pump CAN and will supply enough fuel for at least 300whp easily. Funny thing is...I didnt need to change the tune on the car either when I swapped the Walbro in. All I had to do was turn down the pressure. That tells me that the stock pump wasnt straining to keep the pressure up where it needed to be. The real question is...who here has actually had a stock pump fail pushing the limits of HP? Cause Ive been on this forum and the old one for years and Ive never once heard of a person complaining that they needed to swap the stock one out because it couldnt supply enough fuel. Think about it.
hes right i too have an greddy 18g on my set up with teh stock fuel pump and i have been putting it off for a while to install and i have yet to go lean because my fuel pump couldnt keep up, im pretty sure the saying the stock fuel pump fails at 10psi is a myth... now when i go up to 20psi ill make sure i put my pump in
jonny this is nyc sr20powerd! i told u that 18g turbo is no ****ing jokeee
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