COM86 Posted October 25, 2019 Share Posted October 25, 2019 Mine. 1986 Comanche. 2.5, non air conditioning. 5 speed, 4x4, throttle body injection. Posible bad head gasket, clutch is toast due to leaking front transmission seal. Donor 1985 Cherokee. 2.5, 5speed 4x4 , with air conditioning, carburetated. Motor rebuild recently. Question. Since my 86 is having clutch and head gasket issues and no air conditioning. I was looking into swapping the 2.5 with the 5 speed transmission and install air conditioning system into my 86. And keep my throttle body intake. And yes i would love to install a 6 cylinder. But I don't want to go buy one since I already have the doner. Your thoughts. Good and bad. Thank you all. Link to comment Share on other sites More sharing options...
eaglescout526 Posted October 25, 2019 Share Posted October 25, 2019 Should be just a direct swap. Course the present issues you have are also easy fixes without swapping a whole engine and you can add AC to your current engine as well. Link to comment Share on other sites More sharing options...
COM86 Posted October 25, 2019 Author Share Posted October 25, 2019 11 minutes ago, eaglescout526 said: Should be just a direct swap. Course the present issues you have are also easy fixes without swapping a whole engine and you can add AC to your current engine as well. Yes, i know that I could install a.c. to my system. But... My truck has the old 2 v belts. Not a serpentine belt. The 85 has the serpentine, plus the harmonic pulley plus the a.c. brackets, pump etc etc. Thank you for your response. Link to comment Share on other sites More sharing options...
eaglescout526 Posted October 25, 2019 Share Posted October 25, 2019 Try sourcing parts for a 4.2L for the V-belt stuff if you need such. I noticed that some stuff are shared between the two engines in the parts catalogue. Just trying to help ya save some pennies. Going serp is an option. Link to comment Share on other sites More sharing options...
COM86 Posted October 25, 2019 Author Share Posted October 25, 2019 Thank you for the info. The 85 donor truck was a towed behind an RV. But then someone decided to shove the rear axle forward about 2 feet. Its been a great parts truck for $400.00. Link to comment Share on other sites More sharing options...
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