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Old 11-09-2010, 11:41 AM   #19
motornut
78K & 79C Jimmys
 
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Join Date: Nov 2009
Location: Ottawa Ont CANADA
Posts: 7,901
Re: Improve mileage 350 with Quadrajet

well i don't see the mark on the dampener like in mine.....
no timing mark on my chain cover gona go check another block,should be straight down the middle

these get better mileage when warm ,do you cover the front?we are below 0C already here,and i can't find mine yet
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1978 GMCJimmy4X4-350/203
1979 GMCJimmy4X2-305/350

Last edited by motornut; 11-09-2010 at 11:51 AM.
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