Need Shock Absorbers. Don't know what size. - JeepForum.com
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post #1 of 5 Old 10-15-2021, 08:06 AM Thread Starter
DouggetCJ7
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Need Shock Absorbers. Don't know what size.

Hi all,

I have a Jeep with frame and running gear from an 86 CJ7.
It has lift... Spring lift and longer shackles installed by previous owner(s).
The shocks are shot. Dented, leaking, rusty... ready to be replaced but I have no idea how much lift it has so that I can size up new shocks.

I'm thinking I can judge the lift amount based on stock vs my shock length.
Does someone have or know what the shock length measurement is on a stock 86 CJ?
Mounting point on axle to mounting point on frame while sitting on level ground.

My front is 19.5" and rear is 21.25"

Thanks,
Doug

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Doug
1978 CJ-7
258 I6 / T5 / D300 / D30 / D44
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post #2 of 5 Old 10-15-2021, 09:11 AM
CJ7-Tim
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Remove one front and one rear shock. Measure from eye to eye when fully compressed, and fully extended, and record that info. Buy shocks that have similar lengths as noted in the specifications provided by the shock manufacturer.

“We the people are the rightful masters of both Congress and the Courts,
not to overthrow the Constitution but to overthrow the men who would pervert the Constitution” Abraham Lincoln, 1859.
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post #3 of 5 Old 10-20-2021, 08:10 AM Thread Starter
DouggetCJ7
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Yes, I'll do that... My concern is that the shocks probably came with a 4" lift kit. But the owner also has longer shackles on it, so there's more than 4" for sure. The shocks that are on it may not be right. But you're right, measuring them would at least be a starting point.
Thanks.

Doug
1978 CJ-7
258 I6 / T5 / D300 / D30 / D44
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post #4 of 5 Old 10-20-2021, 08:55 AM
exheep
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What you want to do is measure the amount of flex in your springs with the shocks removed.
It’s basically measuring static height, full compression and full droop then fitting a shock to those parameters.
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post #5 of 5 Old 10-20-2021, 05:50 PM
CJ7-Tim
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Quote:
Originally Posted by DouggetCJ7 View Post
..... has longer shackles on it, so there's more than 4" for sure.
Measure the shackle length from center of bolt, to center of bolt. Since a longer shackle only lifts one end of the leaf spring, a 2" longer than stock shackle only adds 1" of lift.


As suggested, the ideal solution is to measure the suspension compression and extension.

“We the people are the rightful masters of both Congress and the Courts,
not to overthrow the Constitution but to overthrow the men who would pervert the Constitution” Abraham Lincoln, 1859.
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