Hello, this is probably common as I am just running the straight forward 2.5" premium package from WH but couldn't find a previous post. The rear shocks are close to, and I believe could hit bottom on full compression of the rear springs. Has this been the case for anyone else? When I bought the truck it had some homemade jalopy stuff in it with air shocks in the back and I put add a leafs in 12-15 years ago so it's never had bump stops on the back, but there's never been a need. Should I just get regular stock bumps for back there and that would take some of the worry away? I've never had them so I'm not sure if they would hit before the shocks would or not. Thanks all
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Wild Horses 2.5" w/ Bilsteins Rear Compression
- Thread starter tabyers
- Start date
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- Nov 3, 2003
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- 49,452
Nope, not common comment, so probably why you have not been able to find a discussion.
Got a pic? Is it the shock compressed, or could it be just the boot going all wonky that you're seeing? They don't look very good in my opinion, and can't understand why something as simple as the bellows booth can compress straight!%)
What shock part number did you get? Yes, the 2.5 version, being the same as for the 3.5, would naturally be more compressed in your situation, but it should still not be near full compression.
Do you know that you have stock mounts? Did you verify that you got the full 2.5" rear lift? Be unusual if you didn't, but anything is possible so it won't hurt to check.
If you measure between the top of the axle tube and the bottom of the frame rail in the rear you should see roughly 8-9 inches or so. Give or take half an inch.
Also measure the distance between the upper and lower shock mounts and I can compare to what I've got. I'm running about 3" and the same 2.5" Bilstein.
Unless you have a '66 with the stem type upper mount you should have a #BIL88116 if I remember? I think that's the one, but don't quote me on it.
Good luck. Sorry about the hassle, but we'll get it cleared up.
Paul
Got a pic? Is it the shock compressed, or could it be just the boot going all wonky that you're seeing? They don't look very good in my opinion, and can't understand why something as simple as the bellows booth can compress straight!%)
What shock part number did you get? Yes, the 2.5 version, being the same as for the 3.5, would naturally be more compressed in your situation, but it should still not be near full compression.
Do you know that you have stock mounts? Did you verify that you got the full 2.5" rear lift? Be unusual if you didn't, but anything is possible so it won't hurt to check.
If you measure between the top of the axle tube and the bottom of the frame rail in the rear you should see roughly 8-9 inches or so. Give or take half an inch.
Also measure the distance between the upper and lower shock mounts and I can compare to what I've got. I'm running about 3" and the same 2.5" Bilstein.
Unless you have a '66 with the stem type upper mount you should have a #BIL88116 if I remember? I think that's the one, but don't quote me on it.
Good luck. Sorry about the hassle, but we'll get it cleared up.
Paul
Oh, I just meant common in that everyone and his brother is running your 2.5 with Bilsteins and for good reason. Anyhow, I've been contemplating cutting the boots off if they don't start behaving, so they aren't fooling me. I'll check some measurements and take some pics when I get a chance. They are labeled 2.5 and the truck sits level so I'm assuming all is well in that regard. Thanks
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Ok, sounds good. Thanks.
I just meant that it wasn't a common discussion subject even with all those kits around. I see you mentioned "at full compression" so that's a rare occurrence with most EB's except under extreme off-road situations. And not impossible for the shock to be the limiting factor with some combinations. But I don't remember it being an issue with this particular kit before. So it's good to know if something is different, either with your Bronco or our shocks.
Interested to see what's up. And don't worry about any time limit. If it's the wrong part we'll get you the right one. Hopefully though it's just a visual thing, or there is enough available travel to work with. Even if it's just at the limit.
The rear shock, laying over as it does at a pretty steep angle, does not need much compression length of the shaft to work properly and not be in danger of bottoming out. But not every combo is perfect either. And in some cases the shock does become the limiting factor. Not the most desirable, but not the end of the world either, unless you're hitting the limits often (as in racing and dune-jumping). If it's got more than 2.5-3" of available compression, it's likely going to work fine.
More room doesn't hurt or course, but it's not always a necessity. I ran my rear RS9000's extra long on purpose, to give me more available room to let the suspension droop, rather than having more compression for off road. I liked being able to let the rear springs stretch out more than tuck up inside the wheel well.
Probably had all of 2 (maybe 2.5 on a good day) available shaft showing. Worked great that way and I never had any issues with them bottoming out during many years of street and off-road running.
Anyway, hope yours is not an issue, but will look at it and see.
Paul
I just meant that it wasn't a common discussion subject even with all those kits around. I see you mentioned "at full compression" so that's a rare occurrence with most EB's except under extreme off-road situations. And not impossible for the shock to be the limiting factor with some combinations. But I don't remember it being an issue with this particular kit before. So it's good to know if something is different, either with your Bronco or our shocks.
Interested to see what's up. And don't worry about any time limit. If it's the wrong part we'll get you the right one. Hopefully though it's just a visual thing, or there is enough available travel to work with. Even if it's just at the limit.
The rear shock, laying over as it does at a pretty steep angle, does not need much compression length of the shaft to work properly and not be in danger of bottoming out. But not every combo is perfect either. And in some cases the shock does become the limiting factor. Not the most desirable, but not the end of the world either, unless you're hitting the limits often (as in racing and dune-jumping). If it's got more than 2.5-3" of available compression, it's likely going to work fine.
More room doesn't hurt or course, but it's not always a necessity. I ran my rear RS9000's extra long on purpose, to give me more available room to let the suspension droop, rather than having more compression for off road. I liked being able to let the rear springs stretch out more than tuck up inside the wheel well.
Probably had all of 2 (maybe 2.5 on a good day) available shaft showing. Worked great that way and I never had any issues with them bottoming out during many years of street and off-road running.
Anyway, hope yours is not an issue, but will look at it and see.
Paul
Wild Horses 2.5" w/ Bilsteins Rear Compression
My rear bilstiens on the 76 with a 2.5" lift look like they would bottom out but don't. The angle on the rear mounts are such that it cycles slightly non linear and uses less shock travel. Now to be clear I have forward facing stock shock mounts on the rear. My boots are all clumped up in the back as well but doesn't hurt anything. I played with a bunch of different bilstiens lengths however the recommend model was the only one that was the correct length during full stuff and allowed full travel.
I am running new stock bump stops in the rear and have never bottomed out however I don't take this bronco off-road. Also have 11 pack leaves which have about 5k miles on them.
Hope that's helpful.
My rear bilstiens on the 76 with a 2.5" lift look like they would bottom out but don't. The angle on the rear mounts are such that it cycles slightly non linear and uses less shock travel. Now to be clear I have forward facing stock shock mounts on the rear. My boots are all clumped up in the back as well but doesn't hurt anything. I played with a bunch of different bilstiens lengths however the recommend model was the only one that was the correct length during full stuff and allowed full travel.
I am running new stock bump stops in the rear and have never bottomed out however I don't take this bronco off-road. Also have 11 pack leaves which have about 5k miles on them.
Hope that's helpful.
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