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11-22-2007, 12:59 PM
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Registered User
Join Date: Oct 2007
Location: Monticello IL
Posts: 29
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Suggestions
I am trading my 69 c-20 for a 70 GMC shorty w/ a 6cyl and 3 spd......whats the best tune up for these 6's for gas milage? Is there an easy drop in hei? Any help is appreciated.
James
__________________
Im gonna slam a 3/4 ton....I may be nuts!!! 
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