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Unread 09-03-2014, 09:15 AM   #1
CB10101
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1988 YJ Wrangler 
 
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Alternator upgrade

I've been researching the cs144 alternator swap and pricing all the parts new/reman. While looking through a summit racing catalog I found p/n sum-810344. This is a 140A 10si with a v belt pulley installed for $120.

Wouldn't this be a more direct change over instead of requiring a cs to si cable and bracket modification? I don't have the dimensions yet, but guessing 10si is a fairly standard design and might not require bracket mods at all.

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Unread 09-03-2014, 09:36 AM   #2
jbolty
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The CS144 is a pretty large case but it's not a lot of work to make it fit. The SI type alternators are a little smaller generally and are also self regulating. Either would work and are all available for cheap at any junk yard.
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Unread 09-03-2014, 10:54 AM   #3
Que89YJ
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Car-parts.com. The SI will work
http://www.jeepforum.com/forum/f12/c...4-2-a-1567597/
Use car-parts.com
You can get a used one for around $50
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Unread 09-04-2014, 02:20 PM   #4
pushead
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I bought a 160 amp alt from this guy years ago. http://www.motorcityreman.com/high-a...-wrangler.html Not sure why he only list 91-98 because mine is an 88.
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Unread 09-04-2014, 02:42 PM   #5
jbolty
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The alternator in that link will not work on a 4.2 engine setup, at least not easily.
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Unread 09-04-2014, 02:44 PM   #6
pushead
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Quote:
Originally Posted by jbolty View Post
The alternator in that link will not work on a 4.2 engine setup, at least not easily.
Well that is where I bought mine and I have a 4.2. Direct bolt in as well. But that may be why it say 91-98 on the add. I would still give him a call.
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