TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

Running Odd

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Old Jun 20, 2003 | 04:58 PM
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1989k5's Avatar
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Running Odd

1989 K5 TBI 350 700R4. New distributor cap, rotor plugs and wires. Truck runs real weak until around 2700 rpm then its like someone flips a switch and it runs real strong. What would cause this?
AW
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Old Jun 22, 2003 | 04:03 AM
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deadhead1882's Avatar
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From: Baltimore MD area
Car: 82 El Camino
Engine: built 355
Transmission: T-56 upgraded internal
Axle/Gears: 10 bolt 3.42
did you gap your spark plugs correctly, or maybe you got a bad wire or plug, double check everything, look for loose wires obvious stuff
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Old Jun 22, 2003 | 11:37 AM
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1989k5's Avatar
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It did it before and after the new parts.
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