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Unread 09-19-2013, 09:15 PM   #1
bmb5589
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1986 MJ Comanche 
 
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Location: Millheim, Pennsylvania
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1986 Jeep comanche 2.5l 4 cyl

Hey guys i have a 2.5l 4 cyl 1986 jeep comanche custom...it has 45k origional miles on it. The issue is that i think the engine is blown i was going up a hill and lost all power compression was not so good in the 1st 2nd and 4th cylinders i wanna know if i should swap out the engine or replace the head gasket. If i swap the engine is it worth putting a bigger engine in? or cheaper and less time consuming to look for another engine thats the same.. I appreciate any feedback and input thanks for your time!

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Unread 09-20-2013, 05:45 AM   #2
cruiser54
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1990 MJ Comanche 
 
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Location: Prescott, Arizona
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Put a good used or a rebuilt engine in.
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Unread 09-20-2013, 09:35 AM   #3
bmb5589
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just the same engine? or is there another better engine that is compatible with the pre-existing components
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Unread 09-20-2013, 08:01 PM   #4
cruiser54
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Same engine.
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Originally Posted by chris87xj View Post
If you own a Renix Jeep, you'll want to check this out. >

An index to over 25 write-ups can be found in Post #1.

Cruiser's Mostly Renix Tips
My Jeep Technical Photos

http://www.cherokeeforum.com/g/album/1725214
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Unread 09-21-2013, 05:41 PM   #5
bmb5589
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1986 MJ Comanche 
 
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Location: Millheim, Pennsylvania
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Okay thanks dude...i dont have the time or facility to do it at school so i gotta pay 1300 for a mechanic to do it...is that reasonable?.....its a used engine as well and the mechanic said its 800 bucks for the used engine
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Unread 09-21-2013, 06:14 PM   #6
cruiser54
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$800 is quite high for a used engine in my neck of the woods.
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Quote:
Originally Posted by chris87xj View Post
If you own a Renix Jeep, you'll want to check this out. >

An index to over 25 write-ups can be found in Post #1.

Cruiser's Mostly Renix Tips
My Jeep Technical Photos

http://www.cherokeeforum.com/g/album/1725214
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