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TwoFiftyShifter · 08-10-2014, 11:55 AM

I used to get 15 MPG in town with a SWB truck, it had a worn 235 with 3.90 gears. I think of is on the highway where the I6 struggles with MPG.

08-10-2014, 11:55 AM	#8
TwoFiftyShifter Registered User Join Date: Nov 2008 Location: Gwinnett GA Posts: 1,803	Re: Best combo for fuel mileage? I used to get 15 MPG in town with a SWB truck, it had a worn 235 with 3.90 gears. I think of is on the highway where the I6 struggles with MPG. __________________ 1982 K10 SWB 1987 V20 - Sold - Doh!