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Old 10-19-2011, 05:27 PM   #1
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Changing from SOA to SUA

HI,

I have a 1980 cj7 which the previous owner converted to spring over axle. I want to go back to spring under axle instead. First question, how do I know if the drive shafts will be too long? Second will I need any new parts or can I use the parts on the vehicle and just switch them around. I know the original perches were left in place.

Thanks for any and all help
Nick

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Old 10-20-2011, 07:20 PM   #2
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am trying to convert my cj7 from SOA to SUA. I have a line on some stock drive shafts. Based on my engine and transmission I need to have 31.75 in the front and 20.75 in the rear.

The ones I am trying to buy are 30.25 front and 20.5 in the rear.

Any idea if these would be acceptable with a 2.5 inch lift?

Thanks

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Old 10-22-2011, 10:19 AM   #3
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Driveshafts are not cookie cutter once you start changing stuff up. We don't know what engine/tranny/case you have or any info really. Not that it matters much expect how much power you got.

As far as switching over to SUA if the originally perches are in place then I would just swap over. Grind the other stuff off if you want a clean look. I'd get everything installed and then measure driveshafts. Depending on your driveline angle, pinion angles and style of lift will determine what length driveshafts and what style.

If you are going to be trail riding I recommend a set of tom wood's shafts...a local shop will be good too.

Driveshafts are the last thing you buy when setting up a suspension. Have everything done and correct before worrying about shafts.
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