59Bisquik
Member
- Joined
- February 27, 2006
- Messages
- 35
- Reaction score
- 0
- City, State
- Barstow, CA.
- Year, Model & Trim Level
- 86 Bronco II
I am looking for any help possible with fuel mileage. I know that I have alot of factors against me such as weighing in at over 4400lbs, 35" tires with 7" lift, 4.88 gears and a A4LD tranny.
We are switching from heavy rock crawling to more expedition/camping style wheeling trips where fuel mileage is more of a concern.
I currently cruise at around 65-70 mph on the freeway at around 2300-2500rpms. I run 35 psi in the tires. It has a high flow muffler that is right behind the cat and dumps there...doesnt go all the way out to the rear, clean filters and MAF, new plugs and wires and try to keep the torque convertor locked up. I have gotten the best of freeway only driving of 15mpg. Mixed driving I am getting around 12 and there are alot of hills and grades on the freeways. The 4.0 has been a nice power and mileage upgrade over the 2.9 which averaged 9mpg. But a little more than 12 would really be nice.
What cost effective upgrades would help with better mileage?
Cone filter and or CAI?
Upgraded Coil?
Electric Fans?
TB half shaft?
Flux capacitor?
We are switching from heavy rock crawling to more expedition/camping style wheeling trips where fuel mileage is more of a concern.
I currently cruise at around 65-70 mph on the freeway at around 2300-2500rpms. I run 35 psi in the tires. It has a high flow muffler that is right behind the cat and dumps there...doesnt go all the way out to the rear, clean filters and MAF, new plugs and wires and try to keep the torque convertor locked up. I have gotten the best of freeway only driving of 15mpg. Mixed driving I am getting around 12 and there are alot of hills and grades on the freeways. The 4.0 has been a nice power and mileage upgrade over the 2.9 which averaged 9mpg. But a little more than 12 would really be nice.
What cost effective upgrades would help with better mileage?
Cone filter and or CAI?
Upgraded Coil?
Electric Fans?
TB half shaft?
Flux capacitor?