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Old 08-10-2008, 02:09 AM   #3 (permalink)
Gregte
EcoModding Apprentice
 
Join Date: May 2008
Location: South Dakota
Posts: 117

GMC Sonoma - '94 GMC Sonoma
90 day: 36.97 mpg (US)
Thanks: 0
Thanked 4 Times in 4 Posts
Try 0w-30 synthetic motor oil and synthetic tranny oil. It made a difference for me.
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