Jeep Cherokee Forum

Modified XJ Cherokee Tech XJ (84-01)
All modified tech questions. If it modifies your XJ beyond stock parts ask it here.
Sponsored by:
Sponsored by:

Best gearing for best MPG?

Thread Tools
 
Search this Thread
 
Old 03-03-2014, 12:04 PM
  #1  
Senior Member
Thread Starter
 
FreddyD'Apice's Avatar
 
Join Date: Dec 2013
Location: Mooresville, NC
Posts: 591
Likes: 0
Received 0 Likes on 0 Posts
Year: 1999
Model: Cherokee
Engine: 4.0 i6
Default Best gearing for best MPG?
Okay I hear it works a million different ways. I have a 99 with 33s at 4.5 lift. 90% DD 10% wheeling. Best gearing for high gas mileage? And why? I have stock 3.55s
FreddyD'Apice is offline  
Reply Like
Old 03-03-2014, 12:07 PM
  #2  
Moderator CF K9-unit
 
Dumajones's Avatar
 
Join Date: Apr 2012
Location: Alaska
Posts: 5,842
Likes: 0
Received 9 Likes on 8 Posts
Year: 2000 sport
Model: Cherokee (XJ)
Engine: New 4.0l from s&j engines
Default
this might help http://www.4lo.com/calc/geartable.php
Dumajones is offline  
Reply Like
Old 03-03-2014, 12:10 PM
  #3  
Senior Member
Thread Starter
 
FreddyD'Apice's Avatar
 
Join Date: Dec 2013
Location: Mooresville, NC
Posts: 591
Likes: 0
Received 0 Likes on 0 Posts
Year: 1999
Model: Cherokee
Engine: 4.0 i6
Default
Originally Posted by Dumajones
Thanks aha, I should've searched it first. What is recommended for better gas mileage as a all around daily driver with my set up?
FreddyD'Apice is offline  
Reply Like
Old 03-03-2014, 12:14 PM
  #4  
Moderator CF K9-unit
 
Dumajones's Avatar
 
Join Date: Apr 2012
Location: Alaska
Posts: 5,842
Likes: 0
Received 9 Likes on 8 Posts
Year: 2000 sport
Model: Cherokee (XJ)
Engine: New 4.0l from s&j engines
Default
Originally Posted by FreddyD'Apice
Thanks aha, I should've searched it first. What is recommended for better gas mileage as a all around daily driver with my set up?
According to the chart 3.91 for 33" but I think you can get away with 4.11
Dumajones is offline  
Reply Like
Old 03-03-2014, 12:19 PM
  #5  
CF Veteran
 
PurpleToxin505's Avatar
 
Join Date: Sep 2013
Location: Albuquerque, NM
Posts: 2,820
Likes: 0
Received 4 Likes on 4 Posts
Year: 1999
Model: Cherokee
Engine: 4.0
Default
Screw it, its a jeep, run 4.88 and be more balsy
PurpleToxin505 is offline  
Reply Like
Old 03-03-2014, 12:24 PM
  #6  
Senior Member
Thread Starter
 
FreddyD'Apice's Avatar
 
Join Date: Dec 2013
Location: Mooresville, NC
Posts: 591
Likes: 0
Received 0 Likes on 0 Posts
Year: 1999
Model: Cherokee
Engine: 4.0 i6
Default
Originally Posted by PurpleToxin505
Screw it, its a jeep, run 4.88 and be more balsy
Being 16 in a lifted brick gets costly as is. Trying to get some MPG.
FreddyD'Apice is offline  
Reply Like
Old 03-03-2014, 12:29 PM
  #7  
Senior Member
 
Grip's Avatar
 
Join Date: Dec 2009
Location: Gilbert, AZ
Posts: 542
Likes: 0
Received 1 Like on 1 Post
Year: 2000
Model: Cherokee
Engine: 4.0L
Default
4.10/4.11
Grip is offline  
Reply Like

Trending Topics

Old 03-03-2014, 12:34 PM
  #8  
CF Veteran
 
PurpleToxin505's Avatar
 
Join Date: Sep 2013
Location: Albuquerque, NM
Posts: 2,820
Likes: 0
Received 4 Likes on 4 Posts
Year: 1999
Model: Cherokee
Engine: 4.0
Default
Hey man I understand, im on E and have class in 2 hours lol. But it will save you when you want to run 35s
PurpleToxin505 is offline  
Reply Like
Old 03-03-2014, 12:39 PM
  #9  
Member
 
FTHESHACK's Avatar
 
Join Date: Aug 2013
Location: The Colony, TX
Posts: 174
Likes: 0
Received 0 Likes on 0 Posts
Year: 2001
Model: Cherokee
Engine: 4.0
Default
4.10 for 33's and a manual transmission
4.56 for 33's and an automatic transmission
FTHESHACK is offline  
Reply Like
Old 03-03-2014, 12:43 PM
  #10  
::CF Administrator::
 
Rogue4x4's Avatar
 
Join Date: Feb 2011
Location: Blunt, South Dakota
Posts: 14,465
Received 770 Likes on 524 Posts
Year: 97
Model: Cherokee (XJ)
Engine: 4.6 stroker
Default
Originally Posted by PurpleToxin505
Hey man I understand, im on E and have class in 2 hours lol.
Name: 714-epic-facepalm.jpg Views: 193 Size: 12.9 KB
Rogue4x4 is offline  
Reply Like
Old 03-03-2014, 12:45 PM
  #11  
CF Veteran
 
PurpleToxin505's Avatar
 
Join Date: Sep 2013
Location: Albuquerque, NM
Posts: 2,820
Likes: 0
Received 4 Likes on 4 Posts
Year: 1999
Model: Cherokee
Engine: 4.0
Default
Originally Posted by roninofako
lol, have gas money, just had to be at work really early and dont have time between leaving work and getting to class lol.
PurpleToxin505 is offline  
Reply Like
Old 03-03-2014, 12:47 PM
  #12  
::CF Administrator::
 
Rogue4x4's Avatar
 
Join Date: Feb 2011
Location: Blunt, South Dakota
Posts: 14,465
Received 770 Likes on 524 Posts
Year: 97
Model: Cherokee (XJ)
Engine: 4.6 stroker
Default
Originally Posted by PurpleToxin505
lol, have gas money, just had to be at work really early and dont have time between leaving work and getting to class lol.
I took that as you were on ecstasy, LMAO
Rogue4x4 is offline  
Reply Like
Old 03-03-2014, 12:54 PM
  #13  
Senior Member
Thread Starter
 
FreddyD'Apice's Avatar
 
Join Date: Dec 2013
Location: Mooresville, NC
Posts: 591
Likes: 0
Received 0 Likes on 0 Posts
Year: 1999
Model: Cherokee
Engine: 4.0 i6
Default
Originally Posted by roninofako
I took that as you were on ecstasy, LMAO
AHAHA, thought that for a second and then figured he was talking about gas since we were on the topic of gas.
FreddyD'Apice is offline  
Reply Like
Old 03-03-2014, 12:54 PM
  #14  
CF Veteran
 
PurpleToxin505's Avatar
 
Join Date: Sep 2013
Location: Albuquerque, NM
Posts: 2,820
Likes: 0
Received 4 Likes on 4 Posts
Year: 1999
Model: Cherokee
Engine: 4.0
Default
Originally Posted by roninofako
I took that as you were on ecstasy, LMAO
Lol, A geology and music class while rolling, that would be a whole different trip lol
PurpleToxin505 is offline  
Reply Like
Old 03-03-2014, 01:22 PM
  #15  
CF Veteran
 
CheapCherokee's Avatar
 
Join Date: Feb 2010
Location: La Habra, CA
Posts: 1,152
Likes: 0
Received 1 Like on 1 Post
Year: 1988
Engine: 4.0 RENIX
Default
Go 4.88 or 4.56. I'm running 33s on 4.10s with an auto and get pretty bad mpg. Like 12 city and 14 highway. Lower RPMs helping mpgs doesnt apply here, you are moving a lot more tire and need the extra oomph.
CheapCherokee is offline  
Reply Like



Advanced Search
Quick Reply: Best gearing for best MPG?


Reply Closed Thread Share

All times are GMT -5. The time now is 03:51 PM.