New Engine
11-11-2012, 08:12 PM
#16
Junior Member
Join Date: Jul 2012
Location: Lebanon, PA
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Year: 1994
Model: Cherokee
Engine: I6 4.0 High Output
You could drop another torquey inline 6 in it again but you do have options, like a v8 swap for an even more custom rig but bigger isn't always better and you would need to scrap that new tranny rebuild for a whole new driveline.
11-28-2012, 03:26 AM
#17
Seasoned Member
Join Date: Nov 2011
Location: West Warwick, RI
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Model: Cherokee
Engine: 4.0L High Output
Originally Posted by 97AT4x4XJ
First of all you need to make sure, it burns oil, not leaks oil.
If it really burns oil, you need to know if it is valve seals or piston rings.
Valve seals replacement is probably 150-200, 2 hours job.
Engine with 250K miles cannot have good valve seals!
If it is piston rings, most likely, they are just stuck.
Drain oil, change filter and use:
1 quart of ATF
1 bottle of "stop smoke"
20W50 oil.
Just drive it.
ATF will clean up rings, stop smoke and 20W50 oil will compensate oil viscosity decrease by ATF.
If oil becomes dirty, you have to change it to the same mix.
If it really burns oil, you need to know if it is valve seals or piston rings.
Valve seals replacement is probably 150-200, 2 hours job.
Engine with 250K miles cannot have good valve seals!
If it is piston rings, most likely, they are just stuck.
Drain oil, change filter and use:
1 quart of ATF
1 bottle of "stop smoke"
20W50 oil.
Just drive it.
ATF will clean up rings, stop smoke and 20W50 oil will compensate oil viscosity decrease by ATF.
If oil becomes dirty, you have to change it to the same mix.
11-28-2012, 06:31 AM
#19
Herp Derp Jerp
Join Date: Nov 2011
Location: Parham, ON
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Year: 1999
Model: Cherokee
Engine: 4.0L OBD-II
Originally Posted by CobraMarty
Pour a can of 'RESTORE' in it.
20W50, thinned out with some ATF, is close enough viscosity at operating temperature. Cold it will be pretty heavy though.
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