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12-13-2015, 07:16 PM
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#1 |
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Registered User
Join Date: Dec 2014
Location: daytona beach,fl
Posts: 17
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283 fuel milage
I have a recently completed 1950 GMC on an S-10 chassis. 283,fresh rebuild,flat top piston's , power pack head's ,600 cfm edelbrock carb . The truck has 3.73 gear's and a 350 tran's. Fuel milage is terrible 10 mpg avg. The engine is turning almost 3000 rpm at 60 mph. First I know I need to change gear ratio. My question is what kind of milage can I expect and what RPM should I be turning at cruising speed with this 283.
Gregg |
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