Thread: My 72 gmc build
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Old 05-20-2015, 09:46 PM   #92
1972GMCsierra4x4
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Join Date: Feb 2013
Location: Winchester Kansas
Posts: 145
Re: My 72 gmc build
I will say though that my truck still likes to drink gas at 70 mph and above. 65 is a comfortable cruising speed with 4.10 gears and the way my motor is built
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