4spd to 5spd
Ford junky
Joined: May 2012
Posts: 148
Likes: 2
From: Cows in Sin
My 5 speed with 3.08 rear gets 16-17 Mpg average with a best of 20 Mpg at 60-65 and 19 Mpg at 70-75 Mph. Truck has regular 235/75/15 highway treads up front and real snow tires on the rear. When hauling my 4500 lb 5th wheel RV it drops to 13 MPG at 55-60 mph not using OD.
YMMV
rikard
YMMV
rikard
To the original poster, if you have 3.08 gears and put in the five speed, your best cruising speed will be around 53 to 55 miles per hour. You will have to dedicate your driving habits to slow starts, slow stopping, and just slow over all speed if you want to maximize your miles per gallon.
Senior Member
Joined: Jun 2011
Posts: 360
Likes: 17
From: North Reading Ma
Get rid of the gawdy snow tires off the back and put regular 235/75R15 tires with good tread and increase your mileage
To the original poster, if you have 3.08 gears and put in the five speed, your best cruising speed will be around 53 to 55 miles per hour. You will have to dedicate your driving habits to slow starts, slow stopping, and just slow over all speed if you want to maximize your miles per gallon.
To the original poster, if you have 3.08 gears and put in the five speed, your best cruising speed will be around 53 to 55 miles per hour. You will have to dedicate your driving habits to slow starts, slow stopping, and just slow over all speed if you want to maximize your miles per gallon.
Regards
rikard