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Alpine vs Alpine IR control arms

Chocolate Thunder

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Hey @TeraFlex,

What’s the difference between the Alpine front lower control arms and the Alpine IR front lower control arms? Besides $136 of course.

Thanks.
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TeraFlex

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Hey @TeraFlex,

What’s the difference between the Alpine front lower control arms and the Alpine IR front lower control arms? Besides $136 of course.

Thanks.

Here is a great short little video on the difference between the standard Alpine bushing and the new Alpine IR bushings.

 

TRZ

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Hey @TeraFlex,

What’s the difference between the Alpine front lower control arms and the Alpine IR front lower control arms? Besides $136 of course.

Thanks.
Advantages:
  • Provides max articulation
  • Will be friendlier on your control arm mounts under max articulation conditions
  • Theoretically you’ll never have to replace the bushings; only a concern if you plan to do trails that require max articulation and plan to keep you Jeep for 5+ years.
    Poly or rubber bushings wear out, especially under max articulation; I hate replacing bushings, so I went IR.
 

TeraFlex

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Advantages:
  • Provides max articulation
  • Will be friendlier on your control arm mounts under max articulation conditions
  • Theoretically you’ll never have to replace the bushings; only a concern if you plan to do trails that require max articulation and plan to keep you Jeep for 5+ years.
    Poly or rubber bushings wear out, especially under max articulation; I hate replacing bushings, so I went IR.

Thank you!
 

TRZ

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Thank you!
Sure. And the worst thing (to me) about bushings going bad is the sound. You’ll start hearing clunking and if you’re like me, it’ll drive you crazy until you track down and eliminate the cause. (Of course, it may not be control arm bushings, it could be a shock or track bar or steering components.) Then, you have to remove the control arms and find someone with a million pound press to swap out the bushings. Perhaps if I had enough garage space to leave my Jeep disassembled for a while it wouldn’t be so bad, but I have to do all the work in a day or weekend.
 

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