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Old 02-14-2008, 05:12 AM   #1
MoA
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help with a sye

so.. im getting ready to start planning out my list for things im getting for my jeep this summer.. decided to finish off my suspension first.. before doing anything else..

im thinking about getting all jks cas.. ill be getting a sye and everything.. my question is later this year if/when i do a d44 swap in the rear.. what will all be required as far as the driveshaft is concerned.. would i be wasting my time and money getting a sye and new driveshaft now? or is it simply changing out a u-bolt ect?

also.. i havent been able to find what the maximum amount of lift is that you can run on the jks short arms.. does any one know by any chance?

my budget has been way too tight lately.. and ive been dieing to get done with this semister and get back to work so i can start working on my heep again lol.. but atleast im going to school for metal fabrication so atleast school serves its purpose.. i just don't want to have to spend any more money than i have too.. and if i have to get a new driveshaft for the d44 when i do the swap.. i might as well wait to do the sye

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Old 02-14-2008, 09:33 AM   #2
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the driveshaft is independent of the axle so you can do either one whenever you want it just bolts on really easily once you have the pinion angle correct i believe

as for short arms its not recommended to go over 4" of lift on em, more than that and your ride and flex greatly decreases

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Old 02-14-2008, 11:32 AM   #3
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The only difference dshaft wise between the 44 and the 35 is that the pinion is longer so the driveshaft is actually a bit shorter. With the amount of lift you have now you don't need the SYE so I'd hold off until you do need it and have swapped in whatever lift and drivetrain you are going to go with.
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Old 02-14-2008, 02:10 PM   #4
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Originally Posted by 1BLKJP View Post
The only difference dshaft wise between the 44 and the 35 is that the pinion is longer so the driveshaft is actually a bit shorter. With the amount of lift you have now you don't need the SYE so I'd hold off until you do need it and have swapped in whatever lift and drivetrain you are going to go with.
alright that sounds good.. i was just thinking that if i did all new adjustable sas, id have to do a sye for it to work right..

im actually leaning towards the rela upgrade more and more.. i wanted to do a sa tri-link rear.. but i want to be able to swap in 2.5''-3'' coils at some point in time to replace my crappy 2'' ones.. i can also set the acos.. right now im running like 3.25'' of lift.. with the acos set to its minimum.. my jeeps axles just looked sucked in towards each other tooo much, so its time to replace my stock cas..
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99 sahara :: 2'' coils (front), jks acos f&r, jks front trackbar, jks bl/mml, RE monotube shocks, hp30/d44, 33'' procomp mts, 15x8 eagle alloy 187s, hella optilux fogs, raingler nets, & more random junk::

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Old 02-14-2008, 02:12 PM   #5
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Originally Posted by 1BLKJP View Post
The only difference dshaft wise between the 44 and the 35 is that the pinion is longer so the driveshaft is actually a bit shorter. With the amount of lift you have now you don't need the SYE so I'd hold off until you do need it and have swapped in whatever lift and drivetrain you are going to go with.
alright that sounds good.. i was just thinking that if i did all new adjustable sas, id have to do a sye for it to work right..

im actually leaning towards the rela upgrade more and more.. i wanted to do a sa tri-link rear.. but i want to be able to swap in 2.5''-3'' coils at some point in time to replace my crappy 2'' ones.. i can also set the acos.. right now im running like 3.25'' of lift.. with the acos set to its minimum.. my jeeps axles just looked sucked in towards each other tooo much, so its time to replace my stock cas..


jack.. are you still running a hp d30 front and d44 rear? i thought thats what your jeep had on it.. i want to run 36'' iroks and i think i wanna run this route and get superior axle kits for both
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99 sahara :: 2'' coils (front), jks acos f&r, jks front trackbar, jks bl/mml, RE monotube shocks, hp30/d44, 33'' procomp mts, 15x8 eagle alloy 187s, hella optilux fogs, raingler nets, & more random junk::

06 charger r/t :: 5.7l hemi w/ flipstick, tinted windows, leather heated seats, 2 kenwood 12s =D my new baby ::
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Old 02-14-2008, 04:46 PM   #6
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jack.. are you still running a hp d30 front and d44 rear? i thought thats what your jeep had on it.. i want to run 36'' iroks and i think i wanna run this route and get superior axle kits for both
You don't "have" to have an SYE to install adjustable control arms. But when you have an SYE you need to have them.

Yeah, I'm still running the 30/44 combo in mine. In the rear, I'd say you'll be fine with just upgrading to Alloy shafts for the 44. The front would probably be a good idea to upgrade to a super 30 if you are going to be running 36's.
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Old 02-15-2008, 01:38 PM   #7
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yep thats the plan.. super 30 in the front and eventually a super 44 in the rear..

actually i found a dealer who sells d44s with a superior kit and arb for like 2600.. an extra 200 for any gear ratio i want.. so ill have to build the hp30 to match


im not quite in a rush when it comes to going to 36s and stronger axles.. we dont have the same terrian as you guys.. and the nearest place around here to go rock crawling is 50 miles away at the badlands..

plus im going to start restoring my xj for my dd until the new camaros comes out =D

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99 sahara :: 2'' coils (front), jks acos f&r, jks front trackbar, jks bl/mml, RE monotube shocks, hp30/d44, 33'' procomp mts, 15x8 eagle alloy 187s, hella optilux fogs, raingler nets, & more random junk::

06 charger r/t :: 5.7l hemi w/ flipstick, tinted windows, leather heated seats, 2 kenwood 12s =D my new baby ::
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