better gas mileage
03-14-2010, 10:34 PM
#1
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better gas mileage
hey guys/gals. I,ve got a 91 effie 351w gets 12mpg, any suggestions on how to improve, thought about an airraid throttle body spacer,, any remarks on this part,,,,,,,,,,,, has no cats, true duals, without headers, flowmaster,sounds great. Recent major tune with autolite platinum plugs, new o2 at 110.000 now has 130.00. Have no running issues, runs great, just better gas mileage, thanks for any replies....................................
Last edited by tony killian; 03-14-2010 at 10:49 PM.
03-14-2010, 11:32 PM
#2
New F-150 Owner
A programmer would probably help the best, though im not sure what is available for the '91, im sure someone will come along...and from what i have heard others say, the throttle body spacer is nothing but an expensive paperweight, does nothing and is a waste.