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Re: 78 K20 Gas Milage Suggestions
Quote:
Originally Posted by rich weyand
Make sure your vacuum advance is on manifold, not ported, vacuum. Ported vacuum will cost you mileage. At idle, there will be vacuum on a manifold vacuum port, but not on a ported vacuum port.
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Ported just means you don't see the vaccum until you crack the throttle open, which is required to move the vehicle down the road, so mileage will not be affected. It will affect your emissions and idle quality though.
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-78 c10 short/step: 388cid, M20, 5/5 drop, lots more. Playtoy and first vehicle.
-98 c1500 x-cab: 5.7L, 17" rims, 5/6 drop, flowmaster, helper bags,NBS rear disk brakes.
-02 Suburban 4x4: leveled front
-CBR600F4i, CBR600RR, CBR1000RR, and standup skis
DISCLAIMER: I cant spell for the life of me.
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