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Old December 10th, 2018, 12:31 AM
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ronn ronn is offline
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Join Date: Oct 2018
Location: manteca, CA
Truck: 1965 GMC 305V6 fleetside truck
Age: 60
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Default Re: '64 3/4 305V6 fleetside rebuild

Based on page i posted, looks like 10.5

i remember getting 11-12 in the 80s, mostly highway miles though; his were city.
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