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#1 |
Registered Member
Join Date: Mar 2004
Location: Long Island
Posts: 58
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![]() alright this is whats happening, im having a real air fuel ratio problem .... my car not all the time but every once and while (more the i would like) starts running like really fat.
when i stand on it it runs like crap popin through the exhuast and hesitating like crazy ,only at low RPM's though , i hit 3 grand , and BAM !! SHES SCREAMIN With power, its kinda feels like the power comes on like a toggle switch. it doesnt run like this all the time, which makes me thing its sensor related, i changed my o2's and my coolant temp sensor. didnt change my MAF yet .... any ideas guys ? thanks
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1990 Mustang GT Engine- 308 (bored .40 over) Probe Forged pistons (10.5:1), Scat forged crank and rods, w/Main Girdle, AFR 185 heads, GT-40 intake, CSI electric water pump. AC delete kit, No smog pump, Manual rack and pinion steering. Ignition- MSD 6AL, MSD Blaster coil, MSD hellicore wires. Drive Train- Tremic 3550, Alum. Drive shaft, 3:73 gears, Stock carrier and axels. 26X11.5 M/T Et streets. Power adder- 175 shot of laughing gas. Best ET 11.5 @120mph on squeeze, 12.4 @109mph on muscle (on gt40 heads) on the 185 heads ... ??? tba Last edited by leathal injection; 09-11-2004 at 07:37 PM.. |
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#2 |
Registered Member
Join Date: Apr 1999
Location: Cincinnati,OH
Posts: 1,511
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![]() Do you have an a/f guage? Sounds like it could also be ignition/timing related. Maybe a wire grounding out or something.
-Ryan
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89GT,Pro-Bullet 306, H/C/I and a bunch of other stuff. *Sold* 00GT, Vortech S-Trim, Steeda Boost Pipe, C&L intake, Mac off-road H-pipe, Flowmasters, B&M Ripper shifter, Eibach Sportline springs, Koni Struts/shocks, MM full length subframe connectors, Cobra brakes, 3.73's. My Car Domain Page |
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#3 |
Registered Member
Join Date: Mar 2004
Location: Long Island
Posts: 58
|
![]() accually, a few days ago, the car was running really fat ! i was setting my timming (i set it to 14degrees) after putting the chip back in , i noticed when i rev the engine and the timming didnt move with the revs, and the chip was still in ??!!! so u took the chip out on the out and took a peek inside at the conectors and noticed they looked all corroded so i figures it was getting a bad conection, so i put a male and female conect setup on the 2 wires, so u when i check the timming now , i just pull the conections off ...
after that the car ran good (for like a day) then it was back to the same crap, runing rich durring low RPM's .....
__________________
1990 Mustang GT Engine- 308 (bored .40 over) Probe Forged pistons (10.5:1), Scat forged crank and rods, w/Main Girdle, AFR 185 heads, GT-40 intake, CSI electric water pump. AC delete kit, No smog pump, Manual rack and pinion steering. Ignition- MSD 6AL, MSD Blaster coil, MSD hellicore wires. Drive Train- Tremic 3550, Alum. Drive shaft, 3:73 gears, Stock carrier and axels. 26X11.5 M/T Et streets. Power adder- 175 shot of laughing gas. Best ET 11.5 @120mph on squeeze, 12.4 @109mph on muscle (on gt40 heads) on the 185 heads ... ??? tba |
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