How do I find out what size lift my YJ has? - JeepForum.com

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post #1 of 18 Old 08-19-2010, 08:55 PM Thread Starter
T-ray
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How do I find out what size lift my YJ has?

I got a YK but the guy I bought it from didnt know about the lift on it. I'm assuming i can find out by measuring the shackles where the springs attach to the frame but I'm not sure. Is this the best way to find out? I dont think it has a body lift but where should I be looking to confirm this?

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post #2 of 18 Old 08-19-2010, 09:31 PM
4LarXedo4
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stock height of Jeep to rocker panels = 18"

Measure your Jeep and determine total height then you can figure out how much is spring and shackle

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post #3 of 18 Old 08-19-2010, 09:36 PM
Leans93
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Per the YJ FAQ

Stock height of Jeep to rocker panels - 18". So measure your YJ and subtract 18 from that number.

Edit^^^beat me to it lol

To add though the stock shackles are 4" bolt to bolt. If your shackles are longer then you have a shackle lift. Each extra inch bolt to bolt is 1/2in in lift. ie shackles 6" bolt to bolt are 1" lift shackles.

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93' YJ 4.0L AX-15, 4" Pro Comp lift, 3/4" shackles, 1" BL, 33x12.5x15 BGF MT's, and some other stuff


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post #4 of 18 Old 08-19-2010, 09:46 PM
NineohsevenYJ
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Don't you also have to subtract the stock size tires (29in?) from the size of the aftermarket tires too?

'92 YJ 6cyl 4.0, 33x12.5 BFG ATs on Mickey Thompsons 15x8, estimated 4in lift, Winch, KC lights & some other goodies.
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post #5 of 18 Old 08-19-2010, 09:47 PM Thread Starter
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Wouldnt the height of the tire make a difference is measuring it from the rocker panel?
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post #6 of 18 Old 08-19-2010, 09:48 PM
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What size tire is that? I'm wanting to say it looks like a 2.5" lift or so.

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post #7 of 18 Old 08-19-2010, 09:51 PM
NineohsevenYJ
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The way I did it (hopefully the right way) was to measure from ground to rocker (26in for me) then I subtracted 4in since I have 33s & stock tire is 29, that gave me 22in so I figure I have 4in of lift. I'm pretty sure this is the way to measure because I found other threads that said this is the way to do it.

'92 YJ 6cyl 4.0, 33x12.5 BFG ATs on Mickey Thompsons 15x8, estimated 4in lift, Winch, KC lights & some other goodies.
RIP baby brother. "Chopper" Charlie Burke 5/2/82 - 6/22/05...Only the great die young.
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post #8 of 18 Old 08-19-2010, 09:52 PM
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Quote:
Originally Posted by T-ray View Post
Wouldnt the height of the tire make a difference is measuring it from the rocker panel?
Yes, every extra inch of tire is also 1/2 inch of lift

M.F. Leans


93' YJ 4.0L AX-15, 4" Pro Comp lift, 3/4" shackles, 1" BL, 33x12.5x15 BGF MT's, and some other stuff


Quote:
Originally Posted by Mike Jones
Catch me on the highway or about to tear the mall up.
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post #9 of 18 Old 08-19-2010, 09:52 PM Thread Starter
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Quote:
Originally Posted by 4LarXedo4 View Post
stock height of Jeep to rocker panels = 18"

Measure your Jeep and determine total height then you can figure out how much is spring and shackle

Click free
I measured the tire and it is 31.5" H and from floor to panel is 23"
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post #10 of 18 Old 08-19-2010, 09:58 PM Thread Starter
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So, 23" from floor to panel, tires are 2.5" higher over stock, 23-2.5= 20.5 or a 2.5" lift? OK so where can I find this lift. I've never had anyone show me where the actual lift brackets are.
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post #11 of 18 Old 08-19-2010, 10:07 PM
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Can you post some pictures of the springs and shackles, it would be helpful to see what your have.

If you are unsure how to post a pics let me know and I'll walk you through it.

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post #12 of 18 Old 08-20-2010, 06:14 AM Thread Starter
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OK, I'll have to get them tonight. I measured the shackles and they are 4" from bolt to bolt
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post #13 of 18 Old 08-23-2010, 06:29 PM Thread Starter
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post #14 of 18 Old 08-23-2010, 06:30 PM Thread Starter
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post #15 of 18 Old 08-23-2010, 06:30 PM Thread Starter
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