mrialsm4

Need some info for fuel system requirements on my 06 GTO. I'm planning on building a larger than 454ci engine out of an LSX block, procharged. When adding an aftermarket fuel pump, Does the fuel pressure need to be varied according to RPM and engine load, or can it be at a constant psi to the injector rail? I am under the impression that the injectors will deliver the right ammount of fuel at say, 45psi (hypothetcal), whether at 500rpms or 6k rpms, am i right?

b727pic

iTrader: (1)

OEM fuel pressure is 60PSI on the 04 GTO, I presume its the same on the 05/06.

I went with a 1:1 boost reference regulator myself.

once the injector table has been scaled, this is correct.

mrialsm4

b727- Thanks, glad I was on the right track! haven't I seen you on ls1gto.com?
I think you posted a powerpoint file on your procharger install? After reading that ppt file I ordered my procharger.

b727pic

iTrader: (1)

Yep.....that would be me.

glad the PP didn't scare you off.....

mrialsm4

Nope, it sure didn't. It convinced me, but I've been a gearhead since I learned to ride a 3-wheeler. I like a challenge, and love gettin' greasy. It wasn't bad, I didn't have to notch out the bumper, the intercooler was mounted lower and built a little differently from what i could tell on your .ppt. Everything else was really close. Thanks for the .ppt on the install!

b727pic

iTrader: (1)

glad it was helpful

andereck

Would you care to send me ppt as well? andereckathotmail.

Thanks in advance!

b727pic

iTrader: (1)

Not sure if its still being hosted, but try this: http://www.blackgto.com/Procharger.htm

It is specific to a 2004 GTO installation

andereck

Thanks, it is.