check your spark plugs and wires first. you may not be running on all 8 cylinders. then check the idle screws. also might want to clean up the carb and make shure the jets arent clogged.
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66 mustang-292-Holley 4160-World Castings Windsor Sr.-Hooker super comp headers-MSD box & Coil.3.55 gears. B&M Z-Gate-Black leather racing seats with 4pt harnes.
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