bilstein 5100 and trailmaster -
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post #1 of 4 Old 11-09-2011, 10:14 PM Thread Starter
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1990 YJ Wrangler 
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bilstein 5100 and trailmaster

hey guys im getting a 3in trailmaster lift for my 1990 yj. im planning on getting some bilstein 5100's. i was just wondering if they would fit. do i need to extend bump stops? should i get wheel spacers? im keeping stock rims and getting some 31x10.5's. thnx

2.5L w/ AX-5, NP231J w/ Rugged Ridge SYE and XJ front driveshaft, open D30 and D35 w/ 4.10 ratio, stock JK 18in wheels w/ Spydertrax 1.25in spacers and 32in toyo at, 2.5in RC lift with .5in shackles(BESRK), rear TJ flares. 8.8 rebuild soon
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post #2 of 4 Old 11-09-2011, 11:51 PM
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1994 YJ Wrangler 
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There are a thousand ways to run your proposed set up. Any shocks would technically work if you had the right length shock towers. (following?) just adjust the steering stops to avoid rubbing on the leaf springs and your tires will last a lot longer. Wheel spacers? Better off with different rims. You'll maybe need to extend your bump stops if you do some trail riding and flex a bit. With your track and swaybars on, I wouldn't worry about bumpstops, you'll never need them.

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post #3 of 4 Old 11-10-2011, 07:24 AM
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I agree with Anti. As for shock length and 'do you need longer bump stops', it's easy to figure after you get the lift on. Here is a link to an exact post I wrote a couple days ago for someone else.

'93 YJ, '02 GM 4.3V6, SOA, dual ARB's, 8.8+D30(WarnHubs), 4.88s, 35" BFG KM2s, AX15, NP231+4:1+SYE+2LO, York OBA, Warn M8000.
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post #4 of 4 Old 11-10-2011, 07:51 AM
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I have a 3.5" Black Diamond, well 3" now but I got some extended bumpstops a few weeks ago but I'm waiting on my buddy to drop them off. I know I need some because my drag link is hitting the tie rod. That's what is limiting my stuff on the drivers side. Plus the springs are flattening and nearly inverting. I've wheeled like that for years but I'm starting to take care of the little things. Hopefully it will keep the steering from hitting itself.

As for shocks you'll just need to measure after the lift like Don and Anti mentioned.


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