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Jeep Wrangler YJ
YJ General Discussion
4" (ish) lift kits
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<blockquote data-quote="machoheadgames" data-source="post: 436423" data-attributes="member: 18789"><p>Cool - I think RCs would need a 1.25” bushing at the shackle and 1.5” at the frame, hopefully that’s what you got. REs and BDS are 1.5” each end. Stock is same size as the RCs. The RCs use a rubber bushing packed into a sleeve and then pressed into the spring, so removal is basically lots of patience. Remove the sleeve, cut the rubber, etc. sawzall or similar can cut the sleeve. After that you can just pop in the polys.</p><p></p><p>Yes, good to get on board with the SYE now. With RC springs and no shackles, they would come with 6° shims. I ran those in my RC 2.5” lift (again, same height as their 4” kit pretty much which also comes with 6° shims) for years and they were perfect for a 4.0 manual. Auto trans is a bit shorter than manual so it has a bit longer rear driveshaft so you maybe would want 4° shims but you can experiment with all that afterwards, no real way to know beforehand.</p></blockquote><p></p>
[QUOTE="machoheadgames, post: 436423, member: 18789"] Cool - I think RCs would need a 1.25” bushing at the shackle and 1.5” at the frame, hopefully that’s what you got. REs and BDS are 1.5” each end. Stock is same size as the RCs. The RCs use a rubber bushing packed into a sleeve and then pressed into the spring, so removal is basically lots of patience. Remove the sleeve, cut the rubber, etc. sawzall or similar can cut the sleeve. After that you can just pop in the polys. Yes, good to get on board with the SYE now. With RC springs and no shackles, they would come with 6° shims. I ran those in my RC 2.5” lift (again, same height as their 4” kit pretty much which also comes with 6° shims) for years and they were perfect for a 4.0 manual. Auto trans is a bit shorter than manual so it has a bit longer rear driveshaft so you maybe would want 4° shims but you can experiment with all that afterwards, no real way to know beforehand. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
4" (ish) lift kits
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