Jl & JT Rubicon springs the same?

[JT21Ted]

Does anyone know if the JL and JT Rubicon front springs are the same?

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[Renegade]

They are similar in design, but not the identical spring rate/part number.

 

[JT21Ted]

Any idea If the JL springs will be a little stiffer?

 

[Renegade]

Any idea If the JL springs will be a little stiffer?

It will probably depend on the spec of yours, and the spec of the ones swapped in. There are dozens of combinations of factory spring rates which depend on which model and options they are built with.

 

[CrazyCooter]

I remember reading somewhere the same front spring in a JT is 1" lower than if it were installed in a JL which is to be expected with the longer wheelbase.

 

[Renegade]

The “free length” of JL springs are actually longer than JT springs.

 

[JT21Ted]

Would it be stupid to put jl springs on the JT front to level it?

 

[Renegade]

Would it be stupid to put jl springs on the JT front to level it?

Stupid? No, but the result would be unknown until you try it. Just because it has a longer free length doesn’t mean the spring rate is higher or even equal. There are some charts of part numbers and applications (and some spring rates) floating around in this and the JL forum. With the proper research and selection, it might work out well.

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