Front coils. TJ vs XJ(MJ)

[H3RESQ]

Ok, so searched a little and not getting the exact info I want.

 

Lets use a 6 inch lift spring for example. (same brand, considering some are different rates, and colors(lol)

 

Is there any difference at all between a TJ and XJ lift coil. (spring rate, height, size, lift you will get on a MJ comparitivly to there proper vehicle application, etc, etc.)

 

I know answers to a couple of the questions but figure since I'm throwing this post up we might as well discuss every aspect of the question.

 

Cheers, Jason

[Sir Sam]

Tj coils are IIRC 2" shorter than XJ coils. So swapping stock XJ coils into a TJ will lift it ~2". If you find some V8 ZJ up country coils it would lift a TJ ~4"

[mkbruin]

Free height is about the same, but TJ coils have a much lower spring rate. That, however, does not stop some lift manufacturers from using the same coils for TJ/ZJ/XJ.

[H3RESQ]

Ok, so does anyone know what brands make specific coils for XJ/MJ that are the proper rate, and what companys throw them all together as the same?

 

Basically what brands have the appropriate spring rate for our MJ's. This could make a big difference in performance depending what brand you buy. (especially if your running sway bar eliminators rather than lets say a Anti-rock.

[LEAD_NOT_FOLLOW]

This help?

 

http://greatlakesxj.activeboard.com/t32 ... /?r=830316

[mkbruin]

Most companies won't list their spring rates.

 

Factory rates at this link below:

viewtopic.php?f=2&t=27675

 

Aftermarket usually are ~180, to account for bumpers, winches, etc. If its sold as for the XJ, it should have an appropriate rate.

[H3RESQ]

Does anyone have first hand experience with the motion offroad progressive coils? I'm specifically interested in the 4.5 xj's

 

Thanks, Jason

 

 

Great links....thanks guys

[H3RESQ]

BUMP. anyone use the motion offroad springs?