with 3" susp lift can i add 2" Bomerang shackles without mods to drvshaft yoke? - JeepForum.com

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post #1 of 3 Old 09-30-2004, 04:25 AM Thread Starter
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with 3" susp lift can i add 2" Bomerang shackles without mods to drvshaft yoke?


i just put a 3" susp lift on the islander and want to know if i can do 2" shackles without having a problem with drive shaft, yoke etc....

the lift came with longer pitman arm... rear sway bar extender(something like that)... drop transfer case...

can i do shackles also without a problem?

thanx in advance


southeastern michigan

1989 blue islander
3" RC susp. lift / new front bumper / new 258 head / carb coming soon /

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post #2 of 3 Old 09-30-2004, 07:32 AM
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I've always generally been told anything over 3 to 3.5 inches you need the SYE and driveshaft. Especially if your going to add a 2" shackle. It would really suck to be out on the trail and the first time you have a lot of flex or suspension travel the drive shaft "slips" out and dups your trnafer case oil everywhere. Ive seen it happen and it isnt pretty.

88 YJ 6 cyl, 5 spd, RE 4.5" heavy-duty, Tom Woods driveshaft and SYE, 35x12.50 Goodyear MTR's on 15x8 black streetlock (simulated beadlock), and Pro-Comp MX-6 adjustable shocks

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post #3 of 3 Old 10-02-2004, 08:47 AM
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I helped a friend do a RE 4.5" ExtremeDuty lift with 1" shackle-lift. We installed the 1" T-case drop and it was mostly fine.

He did bust-up his rear driveshaft, so we installed a SYE (AdvanceAdapters) and a new CV driveshaft. We took out the T-case drop and found that he had some crazy vibrations at highway speeds. We re-installed the T-case drop and it has been alright since.

So - what I am tryin' to say with all this - is that a T-case drop for your 4" worth of lift would be ok for now - but if something breaks - go ahead and do the SYE.

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