Best 4.0 motor to rebuild, what year?
#1
Junior Member
Thread Starter
Best 4.0 motor to rebuild, what year?
My 1997 Jeep Cherokee Sport is running very strong at 240,00 miles, but I know I will need to either rebuild it or buy a rebuild someday. I read somewhere on a forum that there were certain year 4.0's that are stronger than others because better parts were used (somewhere in the mid 90's?). Maybe this is folklore. I am thinking on having my 1997 motor rebuilt because I know what has already gone into it. Others suggest buying a Stroker, but I am not sure I trust the rebuild. What are your thoughts? Best year for motors? And should I rebuild or buy a rebuilt? Thanks
#2
CF Veteran
The 91-99 4.0 was the best in my opinion. Why do you want to rebuild yours if it is working fine? They can last 300K or more.
#3
Old fart with a wrench
If the jeep body is excellent and you wish to keep it, you can do what the muscle car guys do. Have a fresh bullet ready to put in it when the time comes. Find a good junkyard engine, rebuild it at your leisure, and keep it until such time as you need it. If push comes to shove, you can always sell it.
#4
Junior Member
Thread Starter
Thanks for the reply. I am looking down the road at a rebuild, but thought to start on the logistics now. It runs quite well and so I will continue to drive it as long as possible, but that all can change.
#5
Junior Member
Thread Starter
Thanks for the reply. I thought to find a good motor and have it rebuilt, but I am not sure what will be a good motor, particularly if it died and has been sitting in some junkyard. I thought to buy another running 1997 and use it for parts, including the motor for a rebuild.
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