TJ 32RH to AW4 swap - "super short" or regular SYE? - JeepForum.com
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Unread 03-17-2015, 03:35 PM   #1
bwiencek
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TJ 32RH to AW4 swap - "super short" or regular SYE?

I'm putting in the AW4 with the cherokee 4.0l swap that I'm doing on the '99 TJ and was wondering if anyone used the 'regular' SYE kits with that swap or if it really is necessary to do a "Super Short" style slip yoke eliminator kit? I really like the option to use the stock style speedo drive setup and ability to change gearing in it to compensate for tire sizes (since I know I'll probably step up to 33's when the 31's that are on there wear out and the swap is done since it has the 4.10's anyhow...)

32RH = 22 3/4
AW4 = 25 1/2
(AW4 is about 2 3/4" longer)

Regular SYE kits say they add ~6.5" to the rear driveshaft length which should be more than enough to compensate for the extra 2.75" of length in the AW4 and still gain some 3.75" in length. The "super short" ones I see are about 3" shorter still which would put the fixed end just a little shorter than what the "regular" SYE is in a 32RH equipped TJ...

Given all that I think I'd be fine running the 'regular' SYE - anyone have any real experience with either?

If I have to go with the short style - any preference of the Rugged Ridge kit vs the TeraFlex kit?

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Unread 03-17-2015, 03:59 PM   #2
Wheelin98TJ
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How much suspension lift will you be running?

Will you be running a high clearance transfer case skid plate?
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Unread 03-17-2015, 04:09 PM   #3
biffgnar
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Quote:
Originally Posted by bwiencek View Post
If I have to go with the short style - any preference of the Rugged Ridge kit vs the TeraFlex kit?
Neither, J.B. Conversions.
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Unread 03-17-2015, 04:39 PM   #4
bwiencek
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Quote:
Originally Posted by Wheelin98TJ View Post
How much suspension lift will you be running?

Will you be running a high clearance transfer case skid plate?
Right now it's got 2.5" of lift and I've got a 1" BL in the box that I was planning on installing with a MML but that might change now that I'm in the middle of the 4.0 swap... Probably won't go much more suspension lift and no plans for going with a belly lift unless things get crazy...
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Unread 03-17-2015, 04:54 PM   #5
freeskier93
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I would definitely recommend the super short with the longer AW4, I would recommend it regardless because it allows room to grow and having the longest shaft possible is never a bad thing. I have the JB Conversons super short with only a couple inches of suspension lift and the 8.8.

As far as switching to tone ring it would make your upgrade to larger tires simpler. Once you gat a correction box you can easily adjust it to whatever combo you have, no having to swap gears. Personally I don't use a correction box, my speedo is only 5 off with my tire/gear combo plus my Scangauge tell me my corrected speed.
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Unread 03-17-2015, 08:24 PM   #6
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Quote:
Originally Posted by biffgnar View Post
Neither, J.B. Conversions.
X2 JB Conversons

Although I don't have a 231 SYE, have a D300 his customer service is great and quality is top notch
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Unread 03-17-2015, 08:37 PM   #7
RnEmOvr
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Literally just finished installing my JBC SSYE and it is very nice.
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Unread 03-18-2015, 09:20 AM   #8
biffgnar
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Originally Posted by RnEmOvr View Post
Literally just finished installing my JBC SSYE and it is very nice.
How's your rear driveshaft angle now?
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Unread 03-18-2015, 10:46 AM   #9
RnEmOvr
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Estimated around 21, have to send shaft out to be lengthened
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Unread 03-18-2015, 10:51 AM   #10
biffgnar
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Quote:
Originally Posted by RnEmOvr View Post
Estimated around 21, have to send shaft out to be lengthened
Sounds good. Much better than where you were before.
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Unread 03-18-2015, 11:17 AM   #11
RnEmOvr
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Quote:
Originally Posted by biffgnar View Post

Sounds good. Much better than where you were before.
Ya, only issue is they forgot the bolt that holds the speed sensor in. Have to find out what size it is. Also as I was installing the yoke nut I realized I forgot the return spring so had to pull it back apart.
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