SYE and Speed Gear - JeepForum.com

 
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post #1 of 9 Old 02-24-2013, 06:16 PM Thread Starter
Rshort1975
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Join Date: Feb 2013
Location: Lehigh Acres
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SYE and Speed Gear

So I am trying to figure out the previous owners work. My YJ (1989) has a V8 conversion along with a 700R4 trans. This all runs into a NP231 with the SYE. The speedometer is not hooked up. The cable is zip tied to the frame. I looked at the 231 and found were the cable connects but there seems to be something missing.

I have attached a few pictures of the housing. It was packed full of RTV to avoid fluid loss but I would like to hook up the speedo. Also, the YJ is running 35 inch boggers. Can anyone give me an idea of what gear I should buy to get as close as possible on my MPH.

Thanks

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post #2 of 9 Old 02-24-2013, 06:30 PM
seattle_yj
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1993 YJ Wrangler 
 
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Location: Issaquah
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That pic looks like some home brew cap. I'll take a pic of mine because I have my np231 out on my bench now.

If you need one, your in luck because I was at oly4x4 in my area and they had hundreds lying around in a box I saw.

Call oly4x4.com and ask for Dana.
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post #3 of 9 Old 02-24-2013, 06:40 PM
seattle_yj
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Here is a pic of mine, it's electric and yours is cable but the speedo gear and housing looks pretty much the same. I believe the opening in the yoke housing is standard size across the board.
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post #4 of 9 Old 02-24-2013, 07:04 PM Thread Starter
Rshort1975
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Thanks for the pictures. Looks like I am missing the yellow gear. From other pictures it looks as if the that gear slides into the housing and then the whole thing goes into the TC.
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post #5 of 9 Old 02-24-2013, 07:30 PM
Mark05059
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1989 YJ Wrangler 
 
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Quote:
Originally Posted by Rshort1975 View Post
Thanks for the pictures. Looks like I am missing the yellow gear. From other pictures it looks as if the that gear slides into the housing and then the whole thing goes into the TC.
exactly correct. What you have pictured may be the threaded part of an old speedometer cable termination to plug the hole up.

1998 ZJ 5.2 Auto

1989 Wrangler Black Bone Stock 2.5l 5spd
/l , [____],
|---L--[]lllllll[]-
()_) ()_)==O=)_)
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post #6 of 9 Old 02-24-2013, 09:34 PM
seattle_yj
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Quote:
Originally Posted by Rshort1975
Thanks for the pictures. Looks like I am missing the yellow gear. From other pictures it looks as if the that gear slides into the housing and then the whole thing goes into the TC.
Junk yard will have these parts laying all over the place. Call oly4x4.com if you just wanna phone order it. For the specific speedo I would order it from quadratec, they have an entire list online with charts to help you. Plus you can return it if its wrong.
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post #7 of 9 Old 02-25-2013, 06:52 AM
schaef89
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You won't find anything but a replacement speedo gear if you need the cable hookup on the 89 case.

They don't make different tooth sized gears for our year cases because of hard line hookups (not the electric like later years)

Btw that isn't a homemade housing, it's correct for 89 just missing the actual speedo gear. You'll screw the speedo cable directly into that housing

89 YJ S, 2.5L/AX-5/NP231
99 WJ Limited, 4.0L/42RE/NP247
93 YJ, 4.0L HO/32RH/NP231 - Sold
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post #8 of 9 Old 02-25-2013, 07:17 AM
Mark05059
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1989 YJ Wrangler 
 
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Location: quechee Vermont
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Quote:
Originally Posted by schaef89 View Post
You won't find anything but a replacement speedo gear if you need the cable hookup on the 89 case.

They don't make different tooth sized gears for our year cases because of hard line hookups (not the electric like later years)

Btw that isn't a homemade housing, it's correct for 89 just missing the actual speedo gear. You'll screw the speedo cable directly into that housing
not sure what your saying here but you can order speedometer gears from quadratec with different tooth counts for 89's. I changed my gear when I went to 235 tires with no problem.

1998 ZJ 5.2 Auto

1989 Wrangler Black Bone Stock 2.5l 5spd
/l , [____],
|---L--[]lllllll[]-
()_) ()_)==O=)_)
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post #9 of 9 Old 02-25-2013, 07:53 AM
schaef89
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Quote:
Originally Posted by Mark05059

not sure what your saying here but you can order speedometer gears from quadratec with different tooth counts for 89's. I changed my gear when I went to 235 tires with no problem.
Stand corrected. When I looked back in 08 for a different tooth count gear they didn't have the ones for pre 93. Looks like they do now though

89 YJ S, 2.5L/AX-5/NP231
99 WJ Limited, 4.0L/42RE/NP247
93 YJ, 4.0L HO/32RH/NP231 - Sold
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