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Go Back JeepForum.com > Models > Jeep Cherokee & Comanche Forums > XJ Cherokee Technical Forum > 88 block vs 93 block.

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Unread 06-22-2013, 08:50 PM   #1
BassMasterCHS
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88 block vs 93 block.

I just had a 88 block and my 93 head rebuilt. Just noticed that the 88 block doesn't have a spot for the coil for the distributor. Wtf?

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Unread 06-23-2013, 09:15 AM   #2
cruiser54
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That's because 88 had it's coil on the passenger side inner fender. No big deal. Find a bolt on the 88 block to mount the coil.
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Unread 06-23-2013, 09:17 AM   #3
BassMasterCHS
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Okay, I saw that last night and had bad visions of having to start over! Thanks cruiser. Phew. I wish I could upload pics. The block is international red
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Unread 06-23-2013, 09:20 AM   #4
cruiser54
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Hope you didn't lose any sleep over it.
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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 06-27-2013, 09:57 PM   #5
BassMasterCHS
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One more thing, hopefully. The holes for the alternator bracket on the block don't match the bolts from the 93...
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Unread 06-27-2013, 11:07 PM   #6
cruiser54
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Quote:
Originally Posted by BassMasterCHS View Post
One more thing, hopefully. The holes for the alternator bracket on the block don't match the bolts from the 93...
Huh? I put a 92 block into an 87.
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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 06-28-2013, 08:07 AM   #7
BassMasterCHS
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I wish I could upload some pics to show what I mean. On the left side of the timing cover, there are a few holes for some long bolts. The holes in the 88 block are too small.
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Unread 06-28-2013, 08:10 AM   #8
cruiser54
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So the 93 uses full sized bolts instead of the necked-down ones?
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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 06-28-2013, 09:37 AM   #9
BassMasterCHS
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Quote:
Originally Posted by cruiser54 View Post
So the 93 uses full sized bolts instead of the necked-down ones?
That's what I'm thinking. I might not have them, as the 88 block didn't have any brackets on it. Do you know what sizes they are?
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Unread 06-28-2013, 12:02 PM   #10
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Quote:
Originally Posted by BassMasterCHS View Post
That's what I'm thinking. I might not have them, as the 88 block didn't have any brackets on it. Do you know what sizes they are?
They're kinda special bolt/studs IIRC.
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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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Unread 06-28-2013, 12:20 PM   #11
BassMasterCHS
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Aka going to be hard to find. Would I be better off tapping the hole out for the 93 bolt? Jeep dealer didn't have the bolts, only 2 in the country that have them. Called junk yard as well, no xj or Comanche that old.
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Unread 06-28-2013, 12:27 PM   #12
cruiser54
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Keep in mind the alternator bracket is not installed on the front side.

Won't upload the photo I just took. PM me your email address and I'll send it to you if you think it will help.
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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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Unread 06-28-2013, 12:34 PM   #13
BassMasterCHS
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Unread 06-28-2013, 08:52 PM   #14
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I run an 88 block in a 2000. (4.0)
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Unread 06-28-2013, 08:53 PM   #15
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Quote:
Originally Posted by sannethemanny View Post
I run an 88 block in a 2000. (4.0)
What are the issues you ran into? How is she running? I need to pick your brain haha. I'm putting the flex plate in right now
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