Engine/Transmission (1998.5 - 2002) Fuel Mileage

[cArNiVaLwOrKeR]

Check this out, I get 18MPG cruising @ 80MPH...

Glad that I got rid of that 12V 15. 9 MPG guzzler.

 

[reddge]

I have 285’s they are right at 10% larger then 265’s. Just add 10% to your speed and mileage.

I get 17 in town 19 to 20 hwy. 14 towing camping trailer 8,000 lb.

 

[WLoewenhagen]

Originally posted by DavidPope

i got an 01. 5... and got almost 18MPG



Then I changed up to 285's right around the time winter fuel hit...



Now I am getting 14-15MPG without re-calibrating... I found my 3500 dually 4X4 changed about 2 1/2 miles per hour at 60 mph. ,

Bill Loewenhagen



Anyone know the % change on the speedo for popin 285's on a 4x4.