Injector and fuel pump question
05-10-2009, 02:20 PM
#1
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Injector and fuel pump question i am making future plans to run about 15lb boost on my ls1, i will use 6.0 heads, already cam, and intake. my question is will 60lb injectors and the 255 fuel pump be enough for my application. from what i read on most of the ls1 cars runnin that high boost they are makin 600 to 700 on the ground, just making sure there will be enough fuel for the car?
05-11-2009, 07:07 AM
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roughly whats a dual pump kit cost?
05-11-2009, 11:41 AM
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there is a sticky that I helped put together that can help you find your injector size... its on this main page . www.rceng.com and go to technical / sizing
05-12-2009, 06:45 PM
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You may as well go overboard on the fuel system, I keep needing to add...add..add. 
Had I known where I would end up, I would have started with the fuel system. Mine is near maxed out at 570 HP
Had I known where I would end up, I would have started with the fuel system. Mine is near maxed out at 570 HP Trending Topics
05-12-2009, 08:17 PM
#8
My single intank walbro with a KB boost a pump was loosing fuel pressure @ 5,000 rpms/10#'s of boost. After dicking around with bandaids for the fuel system for a year, I spent the $$$ and got lonnies dual pumps. I can finally spin my engine to 6,700rpms with out loosing ANY fuel pressure. Do your self a favior and get a dual pump and forget about it. His pumps are top notch 
Last edited by conan; 05-12-2009 at 08:33 PM.
05-12-2009, 10:06 PM
#10
I paid $600 for the pumps, racetronix double pumper harness, hobbs switch, and return shipping, pittsburgh to utah. One pump runs all the time and the other pump kicks on when the hobbs switch sences boost. This is completely plug and play you don't have to cut a single wire. I bought a brand new sending unit from ebay for $120 (delfi unit) and sent it to him, 2 weeks later this came back http://mycarpics.shutterfly.com/244
Read my first post this explains my fuel troubles.
https://ls1tech.com/forums/fueling-i...ual-pumps.html
Read my first post this explains my fuel troubles.
https://ls1tech.com/forums/fueling-i...ual-pumps.html