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Offline wbacon8780

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Torque Spec
« on: May 25, 2013, 04:07:05 AM »
I just installed new leaf springs and 8" rear on my 1979 Pinto with 302. What is the torque spec for the u-bolts? Thanks

Offline wbacon8780

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Re: Torque Spec
« Reply #1 on: May 26, 2013, 05:58:02 AM »
I bought a Haynes repair manual and it says 40 ft lbs, doesn't seem like it's enough.

Offline wbacon8780

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Re: Torque Spec
« Reply #2 on: May 26, 2013, 07:22:56 AM »
Wait a minute...There should be a metal cover between the top axle pad and axle housing correct?   ANYBODY???

Offline simon o

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Re: Torque Spec
« Reply #3 on: May 26, 2013, 09:37:10 AM »
their should be a saddle welded to the axle housing with a hole in it that the center bolt in the leaf springs fit in and a plate under the springs that the U bolts go down thru
1977 pinto wagon

Offline OhSix9

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Re: Torque Spec
« Reply #4 on: May 26, 2013, 04:16:19 PM »
nope on a pinto the bolt on the spring fits into the rubber and the rubber has a hat that locates everything. bottom plate , rubber, spring, top rubber and hat then axle. all held together with u bolts.  If you leave out the top rubber and hat the axle can move around on the spring as the axle plates have large oval holes.
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Offline 289Wagon

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Re: Torque Spec
« Reply #5 on: May 27, 2013, 04:52:37 AM »
Stock pinto
 
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Offline 289Wagon

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Re: Torque Spec
« Reply #6 on: May 27, 2013, 04:56:19 AM »
 '73-'77 Maverick etc. I have my 8" mounted this way.
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Offline wbacon8780

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Re: Torque Spec
« Reply #7 on: May 27, 2013, 07:23:37 AM »
I'm missing part #36 in your diagram. Anybody know where to get it, guess it is the Hat?

The 8" rear is from a 75-77 MustangII.

Offline 289Wagon

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Re: Torque Spec
« Reply #8 on: May 27, 2013, 11:20:58 AM »
Some info
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Offline 289Wagon

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Re: Torque Spec
« Reply #9 on: May 27, 2013, 12:23:46 PM »
 The part(s) you are looking for were only used on the Mustang II with the 8" rear. The number you need is D5ZZ-5736-A. I was not able to find any NOS ones. I'm thinking the difference is in the hole spacing due to the 'wider' u bolts on an 8"  Perhaps there is enough 'meat' on a stock Pinto one that the the holes could be elongated to work. Or a welding shop could cut the flanges off & weld new metal & redrill to fit your u-bolts. Just a thought. Also you could sign up to some Mustang II sites & ask there.
 A quote from a spring site  The rubber is there to help the rubber spring eye bushings isolate the suspension from the road imperfections. Nice thought but bad idea.
 That's why I got rid of all that extra stuff & bolted mine metal to metal like a real axle.
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Offline 71HANTO

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Re: Torque Spec
« Reply #10 on: May 27, 2013, 01:40:12 PM »
A fairly easy solution is to have the "large" oval hole filled in as I did using 3/16 inch steel. I hand fitted the plate steel to fit the ovals and had a muffler shop weld them in. I could have just had square pieces welded on to the entire perches (just don't cover the water drain hole) but I was going for even the smallest amount of weight savings. Then drill a small hole in the center to just fit over the sping bolt. The rubber insolaters are hard to find in good shape and will waste away anyway making your rear end loosey goosey and rattle.
 
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Offline bbobcat75

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Re: Torque Spec
« Reply #11 on: May 27, 2013, 02:20:41 PM »
Have all those brackets from 73 wagon I am parting out. Will sell u part #36 plus any others u need just let me know! Thanks
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Offline wbacon8780

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Re: Torque Spec
« Reply #12 on: May 27, 2013, 04:10:18 PM »
I need part#36 with the oval holes.....not the round.

Offline Pinto5.0

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Re: Torque Spec
« Reply #13 on: May 27, 2013, 09:08:55 PM »
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Offline wbacon8780

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Re: Torque Spec
« Reply #14 on: May 30, 2013, 04:47:42 AM »
Thanks everyone I ordered new axle pads and Fred had part# 36. again thanks for the help.