Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Fuel economy of 7.4L (454) powered 3/4 ton suburban

kir_kenix · 03-24-2015, 08:50 PM

Really interested what you can eek out of the 454 before doing the diesel swap. If you can pull down 12 or 13 on the highway that would be a major victory in my eyes...what with the weight, gearing, and lack of OD.

What year is the "new" suburban?

03-24-2015, 08:50 PM	#7 (permalink)
kir_kenix kir_kenix Join Date: Sep 2010 Location: Emerson, Ne Posts: 207 1997 Chevy s10 - '97 Chevy S10 WT Pickups 90 day: 32.71 mpg (US) 1997 Ford Escort - '97 Ford Escort LX Team Ford Last 3: 32.29 mpg (US) Razz - '97 Yamaha Razz 90 day: 109.57 mpg (US) 2004 Ford F250 - '04 Ford F250 XLT 90 day: 16.32 mpg (US) 2000 S10 4.3 - '00 Chevrolet S10 W/T Pickups 90 day: 19.4 mpg (US) 2010 corilla - '10 Toyota Corolla LE 90 day: 32.82 mpg (US) 'Yota - '22 Toyota Rav4 LE 90 day: 37.41 mpg (US) Thanks: 15 Thanked 30 Times in 19 Posts	Really interested what you can eek out of the 454 before doing the diesel swap. If you can pull down 12 or 13 on the highway that would be a major victory in my eyes...what with the weight, gearing, and lack of OD. What year is the "new" suburban?