Fuel Mileage - Page 2 - 6066 (1960-1966) GMC Truck Club

#11

May 2nd, 2017, 05:52 AM

TJ's GMC

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Join Date: Mar 2015

Location: Cave Junction, Oregon

Truck: 1964 GMC 1500 LWB Wideside 305E V6.

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Re: Fuel Mileage

305E with a 600 cfm eddy 4 barrel, dual exhaust, hei, 32 inch tires, 4.11 rear gear, sm420. Best I got was approximately 13 at 54 MPH. Round 2400 RPM.

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"Excuse the rust I use my truck"
1964 GMC 1500 305E/sm420 4 barrel intake mod and dual exhaust.
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1964 Chevy C20 292/SM420
1966 Chevy C10 292 hotrod 6/TKO600

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