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Old 08-08-2014, 06:20 PM   #1
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Actual lift

So if I have a 2.5" lift kit, I have gathered that i may not actually have 2.5" of lift. Maybe more, maybe less.

How can I calculate how much lift I "gained" over stock?

I have bigger than stock tires, and I do not have any measurements from when the Jeep was stock.

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Old 08-08-2014, 06:26 PM   #2
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Quote:
Originally Posted by Monkeyjeep69 View Post
So if I have a 2.5" lift kit, I have gathered that i may not actually have 2.5" of lift. Maybe more, maybe less. How can I calculate how much lift I "gained" over stock? I have bigger than stock tires, and I do not have any measurements from when the Jeep was stock.
You'll never get an exact measurement. You can just estimate. Find the size of your tires and find a buddy on the forum with the same size with no lift, find a point and measure. Short of reinstalling stock springs and measuring that's really all you can do. Chances are if you have no armor and no added weight you gained 3.25" give or take

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Old 08-08-2014, 06:28 PM   #3
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Great idea, thanks!

Anyone on here with 35s and no lift that is willing to help a guy out?
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Old 08-08-2014, 07:03 PM   #4
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There is a spring perch measurement that you can do. It takes the tire size out of the equation.

The picture below shows measurements of a typical stock jk/jku and you just measure yours and the delta is your actual lift amount. There is some variance to be aware of since every Jeep is a little different, but it's pretty close.

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Old 08-08-2014, 07:21 PM   #5
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I have a teraflex 2.5 lift and according to the diagram I gained around 2 3/4 lift just went out and measured and with my 33's I know I gained a bit also
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Old 08-08-2014, 08:45 PM   #6
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Originally Posted by Pressurized View Post
There is a spring perch measurement that you can do. It takes the tire size out of the equation. The picture below shows measurements of a typical stock jk/jku and you just measure yours and the delta is your actual lift amount. There is some variance to be aware of since every Jeep is a little different, but it's pretty close.
That is exactly what I was looking for. Thanks.
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Old 08-09-2014, 06:17 AM   #7
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ProComp 2.5 lift kit

3.25 actual lift, according to the diagram.

This could be its own topic!
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Old 08-09-2014, 02:34 PM   #8
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Yea, it's a good way to measure for real changes in your suspension.
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Old 08-09-2014, 02:42 PM   #9
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Very cool
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Old 08-09-2014, 05:50 PM   #10
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That 2.5" lift is designed to give you 3" up front and 2" and the back so the average is 2.5". You usually get more lift than advertised because the kits are designed to provide that amount of lift for some average weight Jeep and if it provided less, buyers would be complaining.

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