Searching for fuel economy.
#1
Senior Member
Thread Starter
Join Date: Nov 2011
Posts: 589
Likes: 0
Received 0 Likes
on
0 Posts
Model: Cherokee
Searching for fuel economy.
I've started to drive a lot more lately 300$ in gas last month! I calculated that to be around 13mpg I need to change that cause every cent makes a difference. I was looking on ecomodder for ideas and I've gotten some. Most of my miles are highway miles at 60mph. I'm curious if any one has any ideas not driving tips either! I drive in the 1000rpm-2100rpm area and try to get it to upshift as much as possible. I know its a jeep I don't want the "it's a jeep thing" I'm not looking for much more than 15mpg.
#2
Senior Member
Join Date: Jun 2012
Location: Rome, GA
Posts: 595
Likes: 0
Received 0 Likes
on
0 Posts
Year: 1990
Model: Cherokee
Engine: 4.0
There are so many things about a Cherokee that can add up to crappy gas milage. 1st......it has the aerodynamics of a brick (Wranglers are worse though). Tire tread and weight can be a factor in addition to air pressure. If you're doing alot of highway driving and not much off-roading, a different set of tires may be in order. I don't know the full range of sizes available but, look for light weight/low rolling resistance tires. Unsprung weight (wheels and tires) can have more of an effect on your gas milage than sprung weight (cargo weight)........just something to think about.
#3
Senior Member
Thread Starter
Join Date: Nov 2011
Posts: 589
Likes: 0
Received 0 Likes
on
0 Posts
Model: Cherokee
Originally Posted by Hamster
There are so many things about a Cherokee that can add up to crappy gas milage. 1st......it has the aerodynamics of a brick (Wranglers are worse though). Tire tread and weight can be a factor in addition to air pressure. If you're doing alot of highway driving and not much off-roading, a different set of tires may be in order. I don't know the full range of sizes available but, look for light weight/low rolling resistance tires. Unsprung weight (wheels and tires) can have more of an effect on your gas milage than sprung weight (cargo weight)........just something to think about.
#4
As hamster mentioned wheel and tire combos can kill mileage. if your just on freeway get some stock rims from craigslist and buy some 225 /75 15s. Also removing the fan and installing a electric one will help a tad bit. Removing weight always helps...even a full size spare and jack is added weight u dont need. Just make sure to keep a aaa card on you for towing if u get a flat. Ive also heard removing the doors really helps shed about 200+ pounds.
#5
Senior Member
Thread Starter
Join Date: Nov 2011
Posts: 589
Likes: 0
Received 0 Likes
on
0 Posts
Model: Cherokee
Originally Posted by Cobradwight
As hamster mentioned wheel and tire combos can kill mileage. if your just on freeway get some stock rims from craigslist and buy some 225 /75 15s. Also removing the fan and installing a electric one will help a tad bit. Removing weight always helps...even a full size spare and jack is added weight u dont need. Just make sure to keep a aaa card on you for towing if u get a flat. Ive also heard removing the doors really helps shed about 200+ pounds.
I'm thinking that roof rack will help deflect air, then a removable spoiler thing (ugly) to make the air flow better, and a front air thing (way ugly) I'd have to make the top half plexiglass then it would just push into the receiver hitch so I can take it off. Any other suggestions are great. I also know that tire pressure affects it but I don't want to have uneven wear on my tires.
#6
Seasoned Member
Join Date: Feb 2012
Location: Kentucky
Posts: 312
Likes: 0
Received 0 Likes
on
0 Posts
Year: 2000
Model: Cherokee
Engine: 4.0
If you are serious about this, I can draw it up in CAD.
I would just need the anchor points and can go from there.
It will be to scale and adjustments can be made quickly.
I would just need the anchor points and can go from there.
It will be to scale and adjustments can be made quickly.
Trending Topics
#8
Senior Member
Thread Starter
Join Date: Nov 2011
Posts: 589
Likes: 0
Received 0 Likes
on
0 Posts
Model: Cherokee
Oh and the dual fan is a great idea that I have been wanting to do for quite a while now. I just don't have the knowledge on what fans (pick a part) will work I know it has to be _____cfm's between the 2 fans. Ive also been curious if no muffler and straight out the cat vs the use of my glass pack and the tail pipe would effect mileage at all.
#10
Senior Member
Thread Starter
Join Date: Nov 2011
Posts: 589
Likes: 0
Received 0 Likes
on
0 Posts
Model: Cherokee
Originally Posted by Crazy Amos
If you are serious about this, I can draw it up in CAD.
I would just need the anchor points and can go from there.
It will be to scale and adjustments can be made quickly.
I would just need the anchor points and can go from there.
It will be to scale and adjustments can be made quickly.
#12
Senior Member
Thread Starter
Join Date: Nov 2011
Posts: 589
Likes: 0
Received 0 Likes
on
0 Posts
Model: Cherokee
Originally Posted by Crazy Amos
Not a problem. I'm on it all day so the offer still stands in the future.
#14
CF Veteran
Join Date: Nov 2011
Location: City of Trees, CA
Posts: 7,387
Likes: 0
Received 10 Likes
on
9 Posts
Year: 93 2 door
Model: Cherokee
Engine: 4.0
this one's been covered a lot. here's some links
but you need to regear or run a stock tire to have any sort of chance at getting stock gas mileage
so you're wasting your time. the best upgrade you can do for your jeep is buy 2nd car that's good on gas and DD it
https://www.cherokeeforum.com/f59/tr...gallon-142354/
https://www.cherokeeforum.com/f59/25...-ideas-129050/
but you need to regear or run a stock tire to have any sort of chance at getting stock gas mileage
so you're wasting your time. the best upgrade you can do for your jeep is buy 2nd car that's good on gas and DD it
https://www.cherokeeforum.com/f59/tr...gallon-142354/
https://www.cherokeeforum.com/f59/25...-ideas-129050/
#15
Oh and the dual fan is a great idea that I have been wanting to do for quite a while now. I just don't have the knowledge on what fans (pick a part) will work I know it has to be _____cfm's between the 2 fans. Ive also been curious if no muffler and straight out the cat vs the use of my glass pack and the tail pipe would effect mileage at all.