Help at 4000rpm my car would go...

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07-02-2008, 08:03 PM

1sweet1989

Thread Starter

Join Date: Jun 2008

Posts: 9

Help at 4000rpm my car would go...

At 4000RPM my stang just boggs out , it just wouldn't pass 4000rpm. Any help???

07-02-2008, 08:06 PM

91lx50udlose

2nd Gear Member

Join Date: Feb 2008

Location:

Posts: 172

RE: Help at 4000rpm my car would go...

check timing, check fuel pressure

07-02-2008, 08:06 PM

mjr46

D.R. THE PATHETIC DORK

Join Date: Jun 2007

Location: West Virginia

Posts: 30,863

RE: Help at 4000rpm my car would go...

make sure the spout connector hasn't fallen out and also try cleaning maf sensor

08-13-2008, 01:35 PM

matyellott

1st Gear Member

Join Date: Jul 2006

Posts: 70

I had the exact same problem about a year after I installed my supercharger, turns out the supplied ATI fuel pump was crap. I threw a gt500 pump on and the problem is gone.

08-13-2008, 02:00 PM

FivePointOhh

in limbo

Join Date: Jan 2007

Location: Iowa

Posts: 7,300

any recent changes? stock heads? i use to have hardcore valve float with my old springs

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