Sounds like a problem
 

I have replace just about everything it seems in the last few months, plugs, t-5, clutch, driveshaft, oil change, cap& rotor, etc. When I start it up cold, and sounds like **** , like an old as car, then its starts to smooth out after about 2-3 mins. Today it started to hesitate in fourth while I was haulin' *** down the hwy. Runs okay, but inconsistent. I'm going to pull the plugs, some look okay but Ill pull them all to check. Anything else?? Oil looks okay, dirty though after I just changed it.

Thanks,
Leo

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1990GT 5.0 302, T-5, Steeda shifter, Explorer Upper, Cobra Lower, MAC pullies, 3.73's, K&n Air filter, Dynomax Super Turbo Exhaust, Motorsport headers, RAM Clutch, Motorsport 3 core, Offroad H-pipe, 17in Cobra R's.

You need to run a scan for stored codes ($65.) instead of just throwing parts on.
You could have a problem with the Mass Air sensor or even the TFI module but that's just a guess. Run a scan.

The IAB vavle on the side of the throttle body works as a choke. Either clean it or get a new one.

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87 GT, 4 inch cowl hood,17x9 Cobra R's/255/45's,GT-40 heads,Crane 2031, Edelbrock intake, long tubes headers,h-pipe,Flows,BBK cold air, Mass air,70mm MAF, 1.7's, 1" spacer,underdrive pulleys,Pro 5.0, King Cobra, Adj. fuel Reg., Lakewood Lift Bars,50/50's,subframes, 4.10's.
Best time 12.759
Best MPH 106.79
Best 60' 1.695

Visit my site at:
http://www.geocities.com/cobrar93_2000/MyPage.html

i totally agree with 93CobraR.

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-Brent "BrentK7" Keltner
BrentK7@Gamershome.com
ICQ# 5413021
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