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Old 10-20-2003, 01:00 AM   #5
stang_racer20
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Join Date: Jun 2003
Location: Wisconsin
Posts: 348
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i doubt its the fuel pump but if you wanna replace it anyways for performance reasons, why not!

from what you described, u might have a bad camshaft. when a camshaft gets really worn, its not opening and closing valves correctly which can cause backfiring, powerloss, bad idle and improper a/f mixes.

it could also be worn or loose exhaust side valve springs which causes backfiring through intake!

u say your ready to spend some more money ha. how bout a decent cam and valve spring swap!

Have you scanned for engine codes yet to see what you can find?

or:
Fuel Pressure?
Clogged Catalytic Converters/O2 sensors?
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92 Mustang GT, 347 Stroker(Forged Steel Crank/Rods-Balanced, Forged Aluminum Dished Pistons), Trick Flow Track Heat Intake, Trick Flow Twisted Wedge Heads w/ Stage 3 port/polish, 80mm C&L MAF, FMS 30# Inj., BBK AFPR, Trick Flow Stage 2 Cam, Trick Flow 1.6R Rockers, BBK E.L. Headers, Flowmaster Cat-Back, MAC CAI, FMS Pulleys, Griffin Alum. Radiator, MSD Pro-Billet Distributor; AOD, Dynamic 3300 Lockup Converter, B & M Super Cooler, B&M Ratchet Shifter; 3:73 gears.
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