CAMMIN03'

iTrader: (1)

I was wondering how much the 42lb 8.1 marine injectors can hold...

BlownChevy

iTrader: (20)

well, I am at 444 rwhp and I am headed for 500. I have seen them make in the 525 range before they are done.

CAMMIN03'

iTrader: (1)

Thanks alot.....

BlownChevy

iTrader: (20)

it all depends on your tune, and your tunner Trust me the 42's can take alot.

02sierraz71_5.3

iTrader: (2)

what pressure are those rated at

BlownChevy

iTrader: (20)

gotta double check tomorrow, I want to say 60psi but dont hold be to it.

dc96819

Did some caculations on the 42lbs
At 50psi fuel flow is 40.69lbs
Running at 80% duty cycle you can get 473 hp at the crank.
This is with a blower.
You can raise the fuel pressure or up the duty cycle for more.
60psi fuel + 90% duty cycle gets around 525rwhp
Without a blower the # are way different.
I think its right

From racetronix site
Part Number 17113739 (OE Part # 25176061) *** Direct fit for short G.M. LS1 SUV injectors ***
Static flow @ 37.95lb/hr @ 43.5PSI / 300KPa (4.31 g/s = 398cc/min)
Static flow @ 43.82lb/hr @ 58PSI / 400KPa (4.97 g/s = 460cc/min) *
Dynamic flow (2.0ms/10.0 ms(pulse width / rep rate)) 6.0 lb/hr @ 43.5PSI (0.748 g/s @ 300KPa)
Coil Resistance: High Impedance / High-Z (No ECM driver modifications required)
Ball/Seat Design with 3-Hole Diffuser Disc - Pencil stream

BigTex

iTrader: (16)

I've maxed them out on my truck. In the summer heat, I don't pump as much air, but in cooler temps, I was getting pretty lean. I don't doubt that I'm near 500rwhp in good weather when I've been able to hit the MAF limit around 5000 rpms.

greentahoe

iTrader: (2)

Im hoping to get a little more out of mine being as Im pumping quite a bit of meth in my new setup. We'll see how far they go when I get everything in.