Thread: Better gas Mileage
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Old November 21st, 2013, 09:15 PM
ab positive bulldogs ab positive bulldogs is offline
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Location: Sylmar, CA
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Default Better gas Mileage
OK GURUS...I have a 67 GMC with a 351E in it...because of my financial situation she will be my daily driver for a while. So far I have added power steering, Holley 500 carb, rebuilt my heads, and rebuilt the tranny. Now I have heard i can change to 3:54 gears I believe for better gas mileage or get a new tranny....what do you recommend is cheaper and or better? Which tranny do you guys recommend i swap to for better gas mileage and better freeway cruising speeds? Thanks in advanced!
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