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Topic: rpm's jumping and diving (Read 628 times) previous topic - next topic

rpm's jumping and diving

when you start the car it will idle fine for a couple of minutes then the rpm's start falling and jumping . while driving it runs really ruff the transmission shifts really hard . the people we bought it from weren't very honest .alot of the wiring was rigged its got new wires,plugs,cap and rotor. its a fila car.

rpm's jumping and diving

Reply #1
LOL! another fila on here! so its an 84 V8?
1979 Ford Fairmont
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5.0L/4R70W/8.8"/5-lug/3" Exhuast


rpm's jumping and diving

Reply #2
Bad idle could be egr, injectors, or a vac leak. Trans shifting bad could be due to a mis adjusted TV rod.
88 Thunderbird LX: 306, Edelbrock Performer heads, Comp 266HR cam, Edelbrock Performer RPM intake, bunch of other stuff.