Gas Mileage Problem
I have a 1996 GMC Sierra 1 Ton Dually with a 454 Vortec Engine.
I had a problem with the distributor and it was wobbly and the gears worn to a knife like finish. Removed the distributor and replaced with a new one, cap, rotor, wires, plugs. Problem is the hole in the intake where the distributor goes measures 1.5", the old (factory) and new distributor measures 1.250", dealer said there were no bushings, etc. Has anyone run into this problem before?
I went ahead and replaced it with the new one the truck runs even better than before but with a loss of gas milage (from 10 mpg to 7 mpg).
Original reason for repairs was I has a water leak between the intake manifold and head.
Any sugesstions???
Thank You,
Ron
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12-27-2005, 02:17 PM
