to rich
08-14-2005, 08:30 PM
#1
Thread Starter
Join Date: Jun 2005
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Posts: 33
to rich
ive finished my motor and put everything back in but my car seems like it dosent want to run with the fuel pump going... when i cut it off it will run normal for a little bit, my fpr is hooked up but i put in a 155lph f.p, my mass air is on the way but i figured that with the speed density would still run pretty good just not at idle..any ideas on why my car sucks... thanks
08-15-2005, 03:32 PM
#6
2nd Gear Member
Join Date: Jul 2005
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Posts: 466
RE: to rich
yeah, the afr 185s, the Xcam, and the track heat intake are all way too much for the SD. also the 30# inj. are a bit much for this combo, until you get the MAF conversion done you might be able to drop the fuel pressure a whole lot to compensate. i would try 35psi, and start going backwards until you get it good enough to run atleast.
08-15-2005, 08:37 PM
#7
6th Gear Member
Join Date: Nov 2003
Location: Pittsburgh, PA
Posts: 5,182
RE: to rich
hey i got 30#s on a 302 thats H/C/I so it can be made to idle same thing with a buddys H/C/I Gt but only thing with mine is i went that large for juice. NA they are a bit much but for the juice they are good
08-15-2005, 09:27 PM
#8
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Join Date: Jul 2005
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Posts: 466
RE: to rich
im glad you cleared that up quik, 30# are to big for any n/a small block in my opinion. with #24 and fuel pressure raised you will get the same thing with a much cleaner idle. the problem is that too big of an injector makes the computer shorten the pulse width to compensate, which makes the off idle a little boggy most of the time.
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