Has anyone done testing on using the vacuum advance compared to not using it? We havent used one in years and we have no problems with over heating and our gas mileage seems to be alright for the setup we have. In fact my dads car has one and he has more heating problems than my 2 without it and his has worse gas mileage.
75bird 7.41 1/8mile at 92mph street car
73Ventura 11.88 at 113 streetcar
69GrandPrix 12.64 at 107 tow car
65GTO 10.14 at 129 tri-power dragcar
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