ronnieforrester

iTrader: (3)

I "ran out of injector" (90% DC) making about 560whp with a bad converter in a TH400 at 15psi in my 4.8 TC78 fox fox body.


Im sure the converter was costing me some whp- it has been restalled since the dyno.

I was only on a 2bar map sensor and about 48psi base fuel pressure.


I want to toss in a 3 bar map and add 5-7 psi of boost and hopefully make about 650whp on the little TC78.


the pumps are y blocked at the rear of the car with -8 supply and return.


what would you jack the base FP too ?


I know the Wally's don't like higher fuel pressures.

denmah

iTrader: (2)

eh, skinnies is using a pretty high base pressure with multiple walbro's bump the pressure 20psi and see what it gets you, wont know till you try.

i say just buy big injectors, you wanna make big power and your out of injector at 560whp already, **** man just go get some 80s or something, whats in the car now?

ronnieforrester

iTrader: (3)

Damn. Forgot to mention this was on 80lb injectors.


Yea I saw an older thread where skinnies was using triple walbros.

a4ls2goat

Crank the fuel pressure up.

skinnies

iTrader: (33)

80's are good to right at 800rwhp(I tell people 750rwhp is where I'd stop tho to be safe) with 2 walbro pumps. We run ~95lb in boost at 850+ rwhp and 80lb injectors and 3 pumps.

ronnieforrester

iTrader: (3)

I unfortunately do not do my own tuning- so ill have to set it up and then take it to be retuned on the dyno with the new MAP and increased boost and fuel pressure-


So should I set the base FP to 70 ?

F110Mech

iTrader: (2)

800rwhp with E85?