Slip Yoke Elimination Kits
Moderator: TJDave
Slip Yoke Elimination Kits
Almost every major aftermarket manufacturer makes one for the np231 on my Jeep. So I have a few questions before I go through the next round of upgrades on the jeep.
1) Which companies make the best kits? Are there any I should stay away from.
2) Should I go with a standard SYE or a super short SYE? I'm adding a flat skid under the jeep and rear adjustable arms for the pinion angle as well.
3) Driveshafts. Go with a Shiny new one or get as front driveshaft and have it hacked up?
1) Which companies make the best kits? Are there any I should stay away from.
2) Should I go with a standard SYE or a super short SYE? I'm adding a flat skid under the jeep and rear adjustable arms for the pinion angle as well.
3) Driveshafts. Go with a Shiny new one or get as front driveshaft and have it hacked up?
2004 TJ Wrangler X (Rubiclone)
2.5" OME Lift, 1.25 in Body Lift, Flat Fender Flares
35x12.50x15 Maxxis Razor MTs
D30 ARB 4.56s Rear JKD44 w/ 8.8 disk brakes Ford 9" goodies, 4.56 and ARB.
2.5" OME Lift, 1.25 in Body Lift, Flat Fender Flares
35x12.50x15 Maxxis Razor MTs
D30 ARB 4.56s Rear JKD44 w/ 8.8 disk brakes Ford 9" goodies, 4.56 and ARB.
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- Peak Putters Member
- Posts: 1237
- Joined: Sat May 30, 2009 7:23 am
- Location: in a van down by the river
I say if you are going to do it, go super short. The total cost is not much more, and the Wrangler platform is better off using the longest shaft possible. I have never heard of any "quality" problems with any kits at all.
As for drivelines, they really are easy to lengthen or shorten. If you can score a good driveline for cheap that just needs the length adjusted, I would go that route. It is actually a lot quicker to get the exact length you need if you weld it together installed, no measuring required.
As for drivelines, they really are easy to lengthen or shorten. If you can score a good driveline for cheap that just needs the length adjusted, I would go that route. It is actually a lot quicker to get the exact length you need if you weld it together installed, no measuring required.
Paul
'84 XJ, '19JL
'84 XJ, '19JL
One more question.
What do I need to do to recalibrate the speedometer after a short sye conversion? My 231 case currently has a gear driven speedo. It looks like all the kits covert it to a magnetic pickup that sends an electrical signal out similar to the stock Rubicon t-case.
What do I need to do to recalibrate the speedometer after a short sye conversion? My 231 case currently has a gear driven speedo. It looks like all the kits covert it to a magnetic pickup that sends an electrical signal out similar to the stock Rubicon t-case.
2004 TJ Wrangler X (Rubiclone)
2.5" OME Lift, 1.25 in Body Lift, Flat Fender Flares
35x12.50x15 Maxxis Razor MTs
D30 ARB 4.56s Rear JKD44 w/ 8.8 disk brakes Ford 9" goodies, 4.56 and ARB.
2.5" OME Lift, 1.25 in Body Lift, Flat Fender Flares
35x12.50x15 Maxxis Razor MTs
D30 ARB 4.56s Rear JKD44 w/ 8.8 disk brakes Ford 9" goodies, 4.56 and ARB.
Lud wrote: My 231 case currently has a gear driven speedo. It looks like all the kits covert it to a magnetic pickup that sends an electrical signal out similar to the stock Rubicon t-case.
You currently have a gear driven electronic sender, not speedo. Thats why there is a sensor plug attached to the t-case, not a speedo cable.
- mattawajeep
- Posts: 1221
- Joined: Wed May 19, 2010 6:18 pm
- Location: Mattawa, WA
I have the Teraflex Extreme Short kit in my TJ. It was the best deal pricewise at the time.
Hasn't given me any problems so far. I'm also using the Dakota Digital adapter Wrongway mentioned. It's the cheapest and best option, as you can calibrate it yourself whenever you want. It's also been working smoothly since I installed it.
Hasn't given me any problems so far. I'm also using the Dakota Digital adapter Wrongway mentioned. It's the cheapest and best option, as you can calibrate it yourself whenever you want. It's also been working smoothly since I installed it.
It's a little more than the Dakota but this one is plug and play for TJs.
http://www.bluemonkeymotorsports.com/products_ht.html
Actually from doing a little research, it's looks like ill have to drive it and see how far the speedometer is off. It looks like the 4.56 gears and 35s May be within 2% of actual speed which I can live with.
http://www.bluemonkeymotorsports.com/products_ht.html
Actually from doing a little research, it's looks like ill have to drive it and see how far the speedometer is off. It looks like the 4.56 gears and 35s May be within 2% of actual speed which I can live with.
2004 TJ Wrangler X (Rubiclone)
2.5" OME Lift, 1.25 in Body Lift, Flat Fender Flares
35x12.50x15 Maxxis Razor MTs
D30 ARB 4.56s Rear JKD44 w/ 8.8 disk brakes Ford 9" goodies, 4.56 and ARB.
2.5" OME Lift, 1.25 in Body Lift, Flat Fender Flares
35x12.50x15 Maxxis Razor MTs
D30 ARB 4.56s Rear JKD44 w/ 8.8 disk brakes Ford 9" goodies, 4.56 and ARB.
- mattawajeep
- Posts: 1221
- Joined: Wed May 19, 2010 6:18 pm
- Location: Mattawa, WA
Lud wrote:It's a little more than the Dakota but this one is plug and play for TJs.
http://www.bluemonkeymotorsports.com/products_ht.html
Actually from doing a little research, it's looks like ill have to drive it and see how far the speedometer is off. It looks like the 4.56 gears and 35s May be within 2% of actual speed which I can live with.
Yikes, double the price just for a little plug!
I suppose if you're in a big hurry and don't want to add a couple wires it could be worth it.... The Dakota digital unit was really easy to set up, you can just leave the factory plugs and wires where they are. All you really need to do is get power to the unit, then put it inline with the stock sensor wire.
I'd also question accuracy if you go with a preset setting, it'll certainly be off more than 2% unless your tire is exactly 35" high (they vary too much). You'll probably end up doing the exact same calibration procedure as the Dakota if you care about getting the speedo accurate.
You can replace the blue gear that is on the output shaft when you do the sye, you just have to figure out the tooth count verses tire size and gear ratio. They make a aftermarket one to correct the speedo. I believe I went with advanced adapters when I did mine I think.
2018 JLU-R work in progress.
WRWP360
WRWP360
I guess it is the gear on the plug that you change, here is a reference chart to order the correct tooth gear.
http://www.quadratec.com/jeep_knowledge ... cle-46.htm
http://www.quadratec.com/jeep_knowledge ... cle-46.htm
2018 JLU-R work in progress.
WRWP360
WRWP360
- mattawajeep
- Posts: 1221
- Joined: Wed May 19, 2010 6:18 pm
- Location: Mattawa, WA
Jafo wrote:You can replace the blue gear that is on the output shaft when you do the sye, you just have to figure out the tooth count verses tire size and gear ratio. They make a aftermarket one to correct the speedo. I believe I went with advanced adapters when I did mine I think.
Not with the short sye's, there's no gear at all. It's a tone ring and sensor setup.
I've already done this with my current setup. I have a dead on speedometer now. When I switch to a super short sye, I will lose the gear driven sender.
2004 TJ Wrangler X (Rubiclone)
2.5" OME Lift, 1.25 in Body Lift, Flat Fender Flares
35x12.50x15 Maxxis Razor MTs
D30 ARB 4.56s Rear JKD44 w/ 8.8 disk brakes Ford 9" goodies, 4.56 and ARB.
2.5" OME Lift, 1.25 in Body Lift, Flat Fender Flares
35x12.50x15 Maxxis Razor MTs
D30 ARB 4.56s Rear JKD44 w/ 8.8 disk brakes Ford 9" goodies, 4.56 and ARB.
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