Quote:
Originally Posted by Wayne Maybury
...less advance made the car run like crap... I am not sure about the low speed advance. I have a stock Ford distributor with the vaccum advance disconnected... Really bad gas mileage and white plugs don't make sense.
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Hook up the vacuum advance. The Ford distributors have a very lazy and long advance curve. Your engine is running with the spark timing way retarded at cruise RPMs. This is killing your gas mileage. Also as a side note, the main jets have a very small effect at cruise speeds. Get an O2 meter and tuning your carb will be much easier.