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| Polyurethane spacer lift kits http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=88&t=90795 |
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| Author: | Gauge [ Thu Dec 26, 2019 11:40 am ] |
| Post subject: | Polyurethane spacer lift kits |
Hallo! Have anybody used extremely inexpensive polyurethane spacer lift kits like this:  Installed between body frame cup and upper shock mount with space ~1' or 1.5' (20 or 30 mm available). Was any real experience? Is any negative effect to body plate predicted (maybe body metal deformation caused by elastic characteristics of polyurethane resin) on your opinion? Thank you in advance! |
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| Author: | lfhoward [ Thu Dec 26, 2019 2:42 pm ] |
| Post subject: | Re: Polyurethane spacer lift kits |
Yes, many have tried spacer lifts and most regretted it. Why? Bad ride characteristics, both on and off road, and wears out springs and shocks within a year. Then they have even more expense to fix it right, or they sell the Jeep. Don’t go that route. It may seem like a bargain but it’s not. Not if you like your Liberty and want to keep it. The only worthwhile lift available right now is Old Man Emu with Bilstein shocks. It nets you about 2.5 inches of lift even though it is advertised as 1.5”. Do some searching on the forum and you’ll come up with the correct part numbers. |
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| Author: | Gauge [ Thu Dec 26, 2019 8:45 pm ] |
| Post subject: | Re: Polyurethane spacer lift kits |
Thank you for answer. My front springs already worn and lost about a inch of initial height. I want to try polyurethane spacers with Koni Heavy Track shocks, and in case of bad luck, order OME (only springs) to front. Are the polyurethane spacers much more worse than Daystar-like lift kits (metal plate+resin spacer)? |
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| Author: | teller34 [ Fri Dec 27, 2019 12:28 am ] |
| Post subject: | Re: Polyurethane spacer lift kits |
I wonder why it wears everything out so fast. Sent from my iPhone using Tapatalk |
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| Author: | layback40 [ Fri Dec 27, 2019 7:52 am ] |
| Post subject: | Re: Polyurethane spacer lift kits |
Gauge wrote: Thank you for answer. My front springs already worn and lost about a inch of initial height. I want to try polyurethane spacers with Koni Heavy Track shocks, and in case of bad luck, order OME (only springs) to front. Are the polyurethane spacers much more worse than Daystar-like lift kits (metal plate+resin spacer)? Have you considered clevis spacers. Much simpler & cheaper for the front than what you are looking at. |
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| Author: | Gauge [ Fri Dec 27, 2019 9:43 am ] |
| Post subject: | Re: Polyurethane spacer lift kits |
layback40 wrote: Gauge wrote: Thank you for answer. My front springs already worn and lost about a inch of initial height. I want to try polyurethane spacers with Koni Heavy Track shocks, and in case of bad luck, order OME (only springs) to front. Are the polyurethane spacers much more worse than Daystar-like lift kits (metal plate+resin spacer)? Have you considered clevis spacers. Much simpler & cheaper for the front than what you are looking at. Sorry, I have no idea what does it mean - "clevis spacers". Brief googling displays a lot of very different types of hardware. May me kindly ask you to provide a picture for this type of lift kit? |
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| Author: | WWDiesel [ Fri Dec 27, 2019 1:21 pm ] |
| Post subject: | Re: Polyurethane spacer lift kits |
Gauge wrote: layback40 wrote: Gauge wrote: Thank you for answer. My front springs already worn and lost about a inch of initial height. I want to try polyurethane spacers with Koni Heavy Track shocks, and in case of bad luck, order OME (only springs) to front. Are the polyurethane spacers much more worse than Daystar-like lift kits (metal plate+resin spacer)? Have you considered clevis spacers. Much simpler & cheaper for the front than what you are looking at. Sorry, I have no idea what does it mean - "clevis spacers". Brief googling displays a lot of very different types of hardware. May me kindly ask you to provide a picture for this type of lift kit? Could not find a good picture so I did a drawing, hope this helps.  I made my Clevis Spacers out of 1/2 inch (12.7mm) square stock which I simply heated and bent into a circle and welded the ends together. 
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| Author: | lfhoward [ Fri Dec 27, 2019 1:24 pm ] |
| Post subject: | Re: Polyurethane spacer lift kits |
teller34 wrote: I wonder why it wears everything out so fast. Spacer lifts keep the springs under extra compression at all times, so they have less ability to absorb bumps and they fatigue more quickly. |
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| Author: | layback40 [ Fri Dec 27, 2019 4:51 pm ] |
| Post subject: | Re: Polyurethane spacer lift kits |
lfhoward wrote: teller34 wrote: I wonder why it wears everything out so fast. Spacer lifts keep the springs under extra compression at all times, so they have less ability to absorb bumps and they fatigue more quickly. Dont know how the springs are under extra compression as the jeep's weight has not increased. Basic physics ~ Hookes Law. determines spring compression. No extra load, so no extra compression. Often when people put lifts in shocks are stuffed & need replacement. When replaced, ride improves. |
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| Author: | Gauge [ Fri Dec 27, 2019 11:08 pm ] |
| Post subject: | Re: Polyurethane spacer lift kits |
WWDiesel wrote: I did a drawing, hope this helps. Thank you, nice drawing that helps much! And thank you all for the answers. As far as I understand, no body plate deformation predicted, but only bad ride with worn springs and/or shocks possibility. So I'll be brave enough to try spacers with new Koni Heavy Track shocks, and if case of bad ride just order springs to front and rear. Here in Russia spacers cost about $65 for 30 mm to front, $41 for 20 mm to rear: totally $106 with delivery. The cheapest local-made spring lift kit is $699, and OME is $889, plus extra delivery cost that must be expensive up to $50-70 because of great size and weight of enclosure. |
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| Author: | teller34 [ Sun Dec 29, 2019 12:56 am ] |
| Post subject: | Re: Polyurethane spacer lift kits |
Thanks. I thought it lowered the whole assembly. After thinking it makes sense Sent from my iPhone using Tapatalk |
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| Author: | iakj11 [ Wed Jan 01, 2020 11:02 am ] |
| Post subject: | Re: Polyurethane spacer lift kits |
Gauge wrote: Thank you for answer. My front springs already worn and lost about a inch of initial height. I want to try polyurethane spacers with Koni Heavy Track shocks, and in case of bad luck, order OME (only springs) to front. Remember that the lift gained from any over the top or clevis spacer is a 2 to 1 ratio. If you just want to gain back the 1 inch that you lost, you should add only 1/2 inch of spacer. |
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| Author: | Gauge [ Sat Jan 04, 2020 11:07 pm ] |
| Post subject: | Re: Polyurethane spacer lift kits |
Yes, thank you. I got it in mind. |
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