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post #1 of (permalink) Old 11-02-2003, 06:03 PM
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goes like hell till 60mph

I have a 85 grand wag. new carb, new fuel pump, new plugs,wires, coil ,ignition modual,distributer.the tank runs great up to 55mph but when pedal is to the floor the engine stalls but at half pedal she runs untill 75mph the dose the same. Any body have a clue?
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post #2 of (permalink) Old 11-07-2003, 07:28 PM
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Re: goes like hell till 60mph

Could be possibly three items combined that are causing trouble.
Spark advance could be the problem, check it out with a timing light through various RPM's....look for a flutter in the mark under quick throttle movements, also under mid rpm ranges 2,500 - 3000
Second item to check is loss of vacuum. If your timing is using vacuum this could be the problem...Also check all vacuum lines to the carb.
Third item is carb running dry...low bowl level...
low bowl level would act a lot like the problems you mentioned. [img]images/graemlins/40BEER.gif[/img]
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post #3 of (permalink) Old 11-27-2003, 04:08 AM
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Re: goes like hell till 60mph

well folks the tank really runs now replaced my "new" carb with one from napa and all engine problems are done. beware you get what you pay for.Next is wireing.
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