Fueling & Injection Fuel Pumps | Injectors | Rails | Regulators | Tanks

need more injector. Will these work?

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Old Apr 25, 2016 | 01:26 PM
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Default need more injector. Will these work?

car came in with a little lower numbers then i was hoping. currently running 60#s and they maxed out on 8lbs of boost and 8 degrees of timing on a 370 with a PT88. I found these but i dont know much about injectors as far as which you can and cant use.
https://www.holley.com/products/fuel.../parts/522-128
can i use these? i have a stock ls1 ecu with LS3 intake manifold and rails. I think im currently using some sort of EV1 or something adapter as well. thanks for any help.
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Old Apr 25, 2016 | 01:39 PM
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Those will not work without a driver box (they are low impedance). What fuel pump are you using and how much power are you shooting for? Running a return style fuel system will help you out a lot.
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Old Apr 25, 2016 | 01:42 PM
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i came in at 566hp, i was hoping for more around 650-700 for now. and then possibly 900+ when i get my S60 and sticky tires for the track. Not sure exactly which brand pump(i kinda let my mechanic run with this) but i believe its a 340 or 350lph.
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Old Apr 25, 2016 | 03:24 PM
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Yea you are going to need a lot more pump and injector for that. Are you planning on e85?

With pump gas, dual walbro 400s and 127lb injectors is good for about 1300rwhp.
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Old Apr 25, 2016 | 03:33 PM
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Originally Posted by Atomic
Yea you are going to need a lot more pump and injector for that. Are you planning on e85?

With pump gas, dual walbro 400s and 127lb injectors is good for about 1300rwhp.
no e85. there's nowhere reasonably close to me that has it. right now i think i'm looking at the FIC1000s. come in at a modest $600. i think i can live with that for now. that should easily put me in the 650-700 range for the time being.

Thanks for the info though!
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Old Apr 25, 2016 | 08:51 PM
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https://ls1tech.com/forums/parts-cla...injectors.html

Ive got some 127's for sale!
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Old Apr 26, 2016 | 12:33 PM
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Get more fuel pump, increase your pressure. 60s should be able to get you 700whp with enough pump/pressure.
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