Help please...
My truck has a miss in it at around 2500-3000 RPM. I've checked the timing it seems fine plugs&wires are in good shape. The trucks runs fine if you put your foot in it but will miss if you slowly climb up to speed. I pulled the vac advan. line off and the motor speed goes up so
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71 Cheyenne super
2 tone green and white
ZZ6 - Th350
4/6 drop
20x8.5 / 20x10 Billet Specialties
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