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Old 11-09-2010, 07:30 AM   #14
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

should be marks on the dampener
look for a grove in it(put small amount of white paint in the grove ez r 2 c)
maybe have a tab off the timing chain cover with a point


some throttle return springs can be lighter ,easier to push,does the gas pedal moves freely too(but must be able to return)
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John
1978 GMCJimmy4X4-350/203
1979 GMCJimmy4X2-305/350

Last edited by motornut; 11-09-2010 at 07:35 AM.
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