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Ackattack · 11-02-2011, 03:20 PM

You could put a TBI injection system on it.
How about an electric fan?

Try driving in 4th gear on the highway and see what that does to your mileage. That's free and might be worth a shot.

11-02-2011, 03:20 PM	#17
Ackattack Senior Member Join Date: Aug 2002 Location: Valley Center KS Posts: 3,525	Re: 250 i6 fuel economy w/o sacrificing HP You could put a TBI injection system on it. How about an electric fan? Try driving in 4th gear on the highway and see what that does to your mileage. That's free and might be worth a shot. __________________ Project Bruiser: 68 Pro-Touring C-10 5.3L / 4L60E Project Ironhide: 97 GMC Crew Cab 4x4 Cummins SOLD: '69 GMC 1/2T SWB TBI'd: Project No Buck Assembly Manual Index Sign up Thread!!! Factory Service Manual Index