less than 12 MPG
12-13 MPG
14-15 MPG
16-17 MPG
18-19 MPG
20-21 MPG
better than 21 MPG
Just looking
Building another 6.2L powered vehicle
My 99 Suburban, 4.10 gears, 115K with marine injectors.
Was getting 15 mpg with 245/75R16's.
Now getting 18 mpg with 285/75R16's. They just barely fit, but it sits nice and the BFG A/T rubber looks mean.
Both fuel mileage indications taken from my regular commute. 13 miles one way, till I hit 1/4 tank. 42 gallon tank. 55 mph speed limit, with the cruise set to 57-58 per GPS since the speedo is now off. 2K RPMS for 55 sucked with the little tires.
05 2500HD CC LB LLY, 4x4, 3.73s 235/85R16's, webasto cab heater, to keep it warm.
03 Buick Rendezvous - When you average over 80 miles per day driving around, you need one of these.
85 K-5, 6.2, SM465, Rockwell T221, 1 tons, 36's. More goodies to be installed as time and money allows.
82 K20, 6.2, SM465, NP208, stock except for bed rack, snow plow, and glow plugs are on a toggle switch. It works great for plowing!
72 Postal Jeep - Yet another project
Gran Turismologist
1 year update on the fuel economy for my Suburban: This is an aggregate average of a full year's worth of driving and fuel use. Since the conversion was completed, it has traveled 18,485 miles, consumed 740.258 Gallons of fuel, and averaged 24.971 MPG. This is overall MPG, with around town and highway. Best tank 28.1 MPG. Worst tank 17.7 MPG. I am very satisfied.
1993 Suburban 2wd 6.2L Diesel Conversion "Andromeda":
3.73:1 gears, THM 700-R4 transmission, and
J-code 6.2L diesel from a 1984 C2500 Suburban
1996 2wd to 4wd converted Ford F-150 300ci Inline 6 "The Argo" 336,000 miles and climbing
1992 Caprice Wagon 5.0L V8 "Enterprise-D"
"Ah ha ha ha! I swear! Tractors is so dumb!" - Mater
"The Argo? That ridiculous pile of scrap metal!"
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