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fix a four or drop in a six


 
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What would you do?
Fix the four cylinder
25%
 25%  [ 2 ]
Drop in a brand new 6
75%
 75%  [ 6 ]
Total Votes : 8

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silversurfer
Member


Joined: 13 Apr 2009

PostPosted: Mon Apr 13, 2009 10:17 am    Post subject: fix a four or drop in a six Reply with quote

so I have an issue with my Jeepmobile, other then the rear diff leaking, and the breaks worn out, my coolant has a bad leak. So I filled it with coolant and had to drive a ways, then it overheated and shot the filling cap off and oil went everywhere. later I find out oil gets in the coolant and visa versa, so I have a blown head gasket. So this is just the small 4 cylinder.

Come to find out later there's a guy selling a I6, first off I want to ask, does it just drop right in, with the right mounts? 2nd, what would you do, fix the 4 or buy the 6 and drop it in.

If it's a whole custom job I gotta do to make it work, then I probly wont. Im stationed in Europe and getting all the pieces plus having a work area is a real pain.
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Code3TJ
Hacker
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Joined: 01 Jan 2004
Location: Uzbekistan

PostPosted: Mon Apr 13, 2009 10:53 am    Post subject: Reply with quote

Is he selling just the engine or is it a complete jeep? There's more to it than just the engine - you'll need to either install a new transmission (better option) or adapt your existing transmission to mate to the engine. You might also have to work with the computer depending on the year. Here's an idea of what you're looking at.
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silversurfer
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Joined: 13 Apr 2009

PostPosted: Mon Apr 13, 2009 8:31 pm    Post subject: Reply with quote

"Can't use the 4cyl's AX5 tranny - it won't bolt up and even if you could find an adapter, it wouldn't last."

Dangit. So I think I'll stick with my I4, cus that means I'd have to get a new tranny as well. I don't have the money for that.

Now my question is, since it already overheated, does that mean the block may be warped? Is there any tricks to finding/fixing a coolant leak, and how difficult is replacing the head gasket?

Jeez, cus I'm so used to the old bugs, where every different part bolts right up. I don't know too much about radiators, just air cooled stuff. I'm learning though
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TJ Apex
Member


Joined: 29 Jul 2005
Location: Mountains of SoCal. 6257 elev.

PostPosted: Mon Apr 13, 2009 10:52 pm    Post subject: Reply with quote

If it were me, I'd put a small block Chevy 383 V8 with EFI, but that's just me.
Your block and head might need to be "decked", meaning, a machine shop will have to put your block on a mill and remove material till it becomes flat, how much depends on how bad there warped. Becareful, this will also raise your cylinder compression, and while it's good for power, it may be bad for smog, and may make you use premium fuel too.
A good machine shop will magnaflux both the block and head to make sure that there no cracks even before they machine them.
If there are no cracks, I'd have them balance the motor, it's good cheap insurance, so it runs smooth, and it will last longer too.
Good luck
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