WHAT SIZE INJECTORS FOR AND FUEL PUMP FOR ATI 8LB INTERCOOLED KIT 30?36?42? 255L/PH INTANK OR GS403 HIGH PRESSURE?

 

I would go with the 42# Injector, it leave more room for growth later on down the line. Also, I would get the Racetronix 255LPH (High Pressure/High Volume) intank Walboro GSS340 Pump, Its supposed to handle like ~525RWHP With a Racetronix hardwiring kit.

You can probably get all this stuff from Lonnie Pavtis, he is an Authorized Dealer for Racetronix.

Here's his email addy: lpavtis@westol.com


Thx,
Claude

 

For 8lbs of boost all you need is 24 lb injectors. That is only if you plan on running an FMU.

 

Good point... is this for a stock FMU or a FAST system (or equivalent). With stock, I would agree with the 42# injectors.

 

want to delete the fmu and use large injectors and computer tuning to get rid of fmu

 

Ok then I agree to go with 42 lb injectors.

 

how about for 12-14lb's of boost what injectors?

 

Can you describe your setup? Thanks

 

right now a vortec s-trm but probably going too move too a turbo setup, and its a 383 stroker from nu-tek, 6speed other than that not sure what else too post ask away and i'll tell more if needed

 

With that kind of setup I would recommend going with an Acceleronic Impedance Convertor and some 72 lb injectors. It is extremely important that you have a good fuel pump. Whether you decide to go with a big inline pump or a dual intank setup.

 

right now I have the stock in tank fuel pump and also I have the vortec t-rex inline fuel pump.

you really think i'll need 72's?

how much is all of that going to cost? I figure 400 for 42's

 

What size turbo do you plan on running. It is important to you do not skimp out on your fuel system. You stock pump and Vortech pump will not be sufficient. I know Rskrause has had good luck running Kenny Belle boot a pump.

 

t72, around 550-600 give or take

 

I'm running ractronix dual intank pump system, second pump kicks in under boost all the fuel I can use and 57 pound injectors so I didn't have to run the convertor. On dyno car made over 500hp to wheels and 128mph 1320. runs and drives like it did stock (except for crappy leaking copper head gaskets) still have room on duty cycle of injectors and hope to use that once new cam is in.

John Carpico