Fuel economy 4.2l
Senior Member
Joined: May 2015
Posts: 284
Likes: 9
From: West Monroe, LA
Originally Posted by Tredeh
The good old 4.2.
When I was driving 80 miles of highway 5-6 days a week (60 mph, hilly terrain) I averaged 21-22 mpg. Thats with a 5 speed and 3.55s on a regular cab swb
I know a guy with an identical truck, but his is an auto. He drives roughly the same amount of highway miles I do but averaged 18. He doesnt drive it easy though.
When I was driving 80 miles of highway 5-6 days a week (60 mph, hilly terrain) I averaged 21-22 mpg. Thats with a 5 speed and 3.55s on a regular cab swb
I know a guy with an identical truck, but his is an auto. He drives roughly the same amount of highway miles I do but averaged 18. He doesnt drive it easy though.
Junior Member
Joined: Mar 2011
Posts: 22
Likes: 0
From: Herrin,Il
Update on mpg
I installed a livewire TS tuner and set it in econo mode and am now getting 17mpg in town and 21 mpg highway.
Towing my 16ft tool trailer I get no lower than 15mpg.
4.2 V6 309 rear end 5 spd manual 110,000 miles
Towing my 16ft tool trailer I get no lower than 15mpg.
4.2 V6 309 rear end 5 spd manual 110,000 miles
