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#1
July 24th 05, 12:02 AM
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89 mustang hesitation
I have a 89 GT with a 93 cobra motor which was recently rebuilt to a 308
with forged internals. The heads were redone with 202 in. and 195 ex. It has a 70mm throttle body and egr spacer, gt 40 intake, 24lb injectors, nos fogger system"not used at the moment", msd billet dist, 6AL, and HVC blaster coil. When I am at a cruising speed and the engine RPM's are about 2200 it sounds like its missing, but everything in the Ignition system is new, and I have around 42lbs of fuel pressure. Whats up? Does anybody have some insight. 
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#2
July 24th 05, 10:20 PM
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Could be the start of your fuel pump going bad. If it happens at low fuel
levels then that would also point to the pump. Cheers, Rod "toytrd89" > wrote in message lkaboutautos.com... > I have a 89 GT with a 93 cobra motor which was recently rebuilt to a 308 > with forged internals. The heads were redone with 202 in. and 195 ex. It > has a 70mm throttle body and egr spacer, gt 40 intake, 24lb injectors, nos > fogger system"not used at the moment", msd billet dist, 6AL, and HVC > blaster coil. When I am at a cruising speed and the engine RPM's are about > 2200 it sounds like its missing, but everything in the Ignition system is > new, and I have around 42lbs of fuel pressure. Whats up? Does anybody have > some insight. >
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#3
July 25th 05, 01:56 AM
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"toytrd89" > wrote in
lkaboutautos.com: > I have a 89 GT with a 93 cobra motor which was recently rebuilt to a > 308 with forged internals. The heads were redone with 202 in. and 195 > ex. It has a 70mm throttle body and egr spacer, gt 40 intake, 24lb > injectors, nos fogger system"not used at the moment", msd billet dist, > 6AL, and HVC blaster coil. When I am at a cruising speed and the > engine RPM's are about 2200 it sounds like its missing, but everything > in the Ignition system is new, and I have around 42lbs of fuel > pressure. Whats up? Does anybody have some insight. > What Spark Plugs? Why am I thinking Bosch double plats! Buy the same exact plugs that came with the 93 Cobra new....
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#4
July 27th 05, 01:04 AM
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The plugs are Denso uridum "no Bosch in my car".
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#5
July 27th 05, 01:06 AM
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My car has two fuel pumps, one in take and a Vortec T-Rex pusher pump for
the nitro. Both new, Thanks for trying to help!
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