Long U bolts for SOA leaf replacement - JeepForum.com

 
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post #1 of 14 Old 10-14-2013, 12:59 PM Thread Starter
fishtruck
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Long U bolts for SOA leaf replacement

I am stuck on finding the u-bolts for the front dana 30 axle, 1987 YJ.

I have found re2420 kit - but some raters have said the u bolts are not long enough for SOA (7 inches in my case) and the dimensions are not listed anywhere. Email pending from rubicon express.

A am looking for 1/2 x 2.5 (or 2.55?) x 7 or 8 inch u-bolts x 2. I can only find them 6 ish inches long.

and

1/2 x 3.5 x 7 or 8 inches. I found these in 5/8 inch only.

Anyone know any good sources?

Further commentary... I noted that the previously installed U bolts do not even come through the nut. Definitely too short!

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post #2 of 14 Old 10-14-2013, 01:03 PM
Bong_Holyeo
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Ruffstuff ubolts are all 10" long but are 5/8" thick not 1/2. cant say enough good things about their products

http://www.ruffstuffspecialties.com/...g/U-BOLTS.html
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post #3 of 14 Old 10-14-2013, 01:38 PM
calvynandhobbs
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Quote:
Originally Posted by Bong_Holyeo View Post
Ruffstuff ubolts are all 10" long but are 5/8" thick not 1/2. cant say enough good things about their products

http://www.ruffstuffspecialties.com/...g/U-BOLTS.html
x2 Perches, plates and ubolts for my SOA all came from RuffStuff

94 YJ - work in progress
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post #4 of 14 Old 10-14-2013, 01:44 PM
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You definitely want to go with a size up on ubolts. Make sure your perches aren't too tall. I haven't used a set yet that I didn't first cut down. No reason for them to float the pack 2-3 inches from the axle tubing.

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post #5 of 14 Old 10-14-2013, 02:01 PM
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I have all my ubolts custom made on the spot at a truck parts house.

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post #6 of 14 Old 10-14-2013, 03:10 PM Thread Starter
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Thanks guys.
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post #7 of 14 Old 10-14-2013, 06:18 PM
jbolty
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These are the NAPA numbers for the stock size bolts but upsizing is a good idea.

650-4076

650-4002
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post #8 of 14 Old 10-14-2013, 06:37 PM
Joe Dillard
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When I still had a HPD30 and did a SOA conversion, I used the RE2420 ubolts & they were plenty long enough.

Unless they have changed to a shorter length, they should be fine SOA unless there's some sort of oddball perch being used.

I would have called RE.
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post #9 of 14 Old 10-14-2013, 09:47 PM
TSEJEEPERS
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I would also get the plates from ruff stuff.
It is pretty easy to bend the stock plates.
http://www.ruffstuffspecialties.com/.../25J-UPLT.html

93 YJ SOA 2" springs front, XJ springs rear w/main leaf added, High pinon 9 inch rear detroit locker front Dana 44 ARB 4.56 Gears, 36 inch Irok tires too much to list.
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post #10 of 14 Old 10-15-2013, 06:59 AM Thread Starter
fishtruck
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I was going to use the plates that are already there and drill them for bigger u bolts of needed... but... I just ordered the new plates instead. Less rusty stuff the better I suppose.
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post #11 of 14 Old 10-15-2013, 07:18 AM
WDNewman
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http://www.generalspringkc.com/product_p/u%20bolts.htm

This is where I'm going. The PO had U bolts that were about 3" too long installed and did not cut 'em to size. If I don't change them one day I'm going to hit a stump.
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post #12 of 14 Old 10-15-2013, 10:25 AM
TSEJEEPERS
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Quote:
Originally Posted by WDNewman View Post
http://www.generalspringkc.com/product_p/u%20bolts.htm

This is where I'm going. The PO had U bolts that were about 3" too long installed and did not cut 'em to size. If I don't change them one day I'm going to hit a stump.
Cut them down.
You do not need to remove them to do this.
You can use a saw zaw or a angle grinder with a cut off wheel.

93 YJ SOA 2" springs front, XJ springs rear w/main leaf added, High pinon 9 inch rear detroit locker front Dana 44 ARB 4.56 Gears, 36 inch Irok tires too much to list.
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post #13 of 14 Old 10-15-2013, 02:00 PM
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Quote:
Originally Posted by TSEJEEPERS View Post
Cut them down.
You do not need to remove them to do this.
You can use a saw zaw or a angle grinder with a cut off wheel.
X2. I didn't know to cut them down when I installed my SUA lift, I did later with the grinder. I need to trim the rear ones since I removed the degree shims.

1995 YJ "Mabel", 2.5L Muncie SM465 np231j 4.88's HP30 Lockright JK 44 Detroit 33s CJ clip

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post #14 of 14 Old 10-15-2013, 09:36 PM Thread Starter
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Regarding the perches... the ones I have are about 1.25 inches tall. I see the ones from ruff stuff appear to be about .75 inches tall. I have a traction bar - so hopefully axle wrap won't be an issue. BUT, I am going from wrangler springs to reverse eye 1.5 inch lift springs and adding a 4 degree shim to the rear axle. Maybe I should replace the perches too while I am at it? (I don't want too much more lift).
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