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Old 05-21-08, 11:29 AM   #5
IDave
IH8MUD Lifer
 
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Join Date: Jan 2003
Location: McCall, ID
TLCA# 13705
Posts: 6,223
Quote:
Originally Posted by Degnol View Post
Install an in-cab vacuum gauge and learn to keep manifold vacuum as high as possible...
Ed
Agreed. I like to think of my vacuum readings as equal to the gas mileage I'm getting. For instance, 2 inches of mercury = 2 miles per gallon. It's probably not far off.

It would be interesting to know what mileage you are seeing on the highway. Then we could tell you better where or if to consider changing something.


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