GM Tuning Issues - Boost Forum

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GM Tuning Issues
Monday, September 10, 2007 7:23 PM
Hey guys, i gut my GM Charger on and from 5800 RPMS to 6500 RPMS, the guy that was tuning my car was having troubles getting the Injectors (that came with the Kit) to riching up between those rpms... he was using hpt and he said that he tried everything but he can not enrichen the injectors between those rpms...any help would be appriciated..thanks





Re: GM Tuning Issues
Monday, September 10, 2007 10:31 PM
mine ran 13.0 with the kit injectors

when i put the 36lb LSJ injectors i droped from 13.0 to 11.5 , and picked up about a half second in the 1/4

and this might have helped some in the tuning forum , but its kinda a toss up





Edited 1 time(s). Last edited Monday, September 10, 2007 10:32 PM



Re: GM Tuning Issues
Tuesday, September 11, 2007 9:56 AM
do you have good fuel pressure in that rpm range?

"Z24 Dustbunny"
Re: GM Tuning Issues
Tuesday, September 11, 2007 10:38 AM
Stock S/C injectors are too small.

You can turn the fuel pressure up to compensate, but only to a point.





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Re: GM Tuning Issues
Tuesday, September 11, 2007 2:00 PM
thanks Shifted...and also everyone for your help..looks like i need bigger injectors...



Re: GM Tuning Issues
Tuesday, September 11, 2007 2:02 PM
So stop screwing around and buy some then....geez.



Car is for Sale!Supercharger kit is for sale!
Re: GM Tuning Issues
Tuesday, September 11, 2007 2:53 PM
My injectors from the kit seem to fare very well. Always at or below 12.0 during boost no matter what RPM, with the 2.7" pulley, an original fuel pump and no AFPR.





14.330 @ 96.37mph
Re: GM Tuning Issues
Tuesday, September 11, 2007 5:20 PM
I always had low 12s with the S/C injectors, 2.4" pulley, and a bunch of other crap.


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