What did you do to your Cherokee today?
Senior Member
Joined: Nov 2010
Posts: 811
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From: rome,ga
Year: 1991
Model: Cherokee
Engine: 4.0
Originally Posted by JCKustoms
Machined out my throttle body today to 60mm and installed it. Also installed a new hi flow cat with new O2 sensor...and wow what a difference! Can't believe I didn't do this before. :0
CF Veteran
Joined: Oct 2009
Posts: 5,390
Likes: 3
From: Chicago IL
Year: 1997
Model: Cherokee
Engine: 4.0 Straigh 6
back on topic. i realigned my jeep because firestone messed it up so im going to be complaining and hopefully it goes somwhere!
CF Veteran
Joined: Mar 2011
Posts: 1,423
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From: Owensville, MO
Year: 1998
Model: Grand Cherokee
Engine: 5.9
Cleaned battery terminals and got remote start working again. Laugh now, but it's getting COLD tonight and I'm gonna be toasty warm in the morning.
Senior Member
Joined: Jun 2010
Posts: 890
Likes: 1
From: ............
Year: 2000
Model: Cherokee
Engine: 4.0
Originally Posted by kris
Did you just hone it?
Senior Member
Joined: Nov 2010
Posts: 811
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From: rome,ga
Year: 1991
Model: Cherokee
Engine: 4.0
Originally Posted by JCKustoms
I machined it out on a cnc mill. I was going to mill it out to 62/63mm and make a butterfly as well, but I noticed the intake itself is only approximately 60mm so I didn't want to take it off just to gain 2-3mm.
Could prob do it on the rigid hone.like to have a spare to try it on
Seasoned Member
Joined: Jan 2011
Posts: 474
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From: brandenburg ky
Year: 1990
Model: Cherokee
Engine: I6
Originally Posted by JCKustoms
Machined out my throttle body today to 60mm and installed it. Also installed a new hi flow cat with new O2 sensor...and wow what a difference! Can't believe I didn't do this before. :0
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Senior Member
Joined: Jun 2010
Posts: 890
Likes: 1
From: ............
Year: 2000
Model: Cherokee
Engine: 4.0
Originally Posted by K-SKI
Can you do this on a renix motor. And what kind of gains do you get ie. Mpgs and such allready know the obvious HP and torque. But what else
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Seasoned Member
Joined: Jan 2011
Posts: 474
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From: brandenburg ky
Year: 1990
Model: Cherokee
Engine: I6
Originally Posted by JCKustoms
Not sure about the renix... But I will report back after a few tanks of gas with any mpg improvements.
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CF Veteran
Joined: Sep 2010
Posts: 12,692
Likes: 6
From: Mercer County, NJ
Year: 2001
Model: Cherokee
Engine: 4.0L I6 HO
Originally Posted by Whitetail
I did a complete tune up, plugs, wires, cap, rotor, air filter. Next up is a switch to synth oil and larger filter.
Junior Member
Joined: Feb 2011
Posts: 50
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Model: Cherokee
