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U-Bolt size Need Help

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Old 10-15-2009, 06:25 PM   #1
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U-Bolt size Need Help

I just purchased 4 u-bolts to install since adding a AAL. I realized after getting home that they are 1/2" whereas the factory U-bolts are 5/8"(correct me if I am wrong). Are these going to be strong enough or should I take them back and get different ones?
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Old 10-15-2009, 06:27 PM   #2
With sufficient thrust, pigs fly just fine.
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Take them back. Get the right size.
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Old 10-15-2009, 06:29 PM   #3
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Done! Thanks again.
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Old 10-15-2009, 06:36 PM   #4
With sufficient thrust, pigs fly just fine.
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Originally Posted by NicksRig View Post
Done! Thanks again.
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Old 10-15-2009, 06:37 PM   #5
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Your stock u-bolts should be 1/2". 5/8" on a u-bolt is huge.
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Old 10-15-2009, 07:05 PM   #6
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Quote:
Originally Posted by Beefed Taco View Post
Your stock u-bolts should be 1/2". 5/8" on a u-bolt is huge.
Like I said, I am not sure on the factory size (9/16"??). They just seem a little bigger than the 1/2" I bought at the store.
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Old 10-15-2009, 07:13 PM   #7
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Beefed Taco is one of the sharper tools in the shedBeefed Taco is one of the sharper tools in the shedBeefed Taco is one of the sharper tools in the shedBeefed Taco is one of the sharper tools in the shedBeefed Taco is one of the sharper tools in the shedBeefed Taco is one of the sharper tools in the shedBeefed Taco is one of the sharper tools in the shedBeefed Taco is one of the sharper tools in the shedBeefed Taco is one of the sharper tools in the shedBeefed Taco is one of the sharper tools in the shedBeefed Taco is one of the sharper tools in the shed
 
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Quote:
Originally Posted by NicksRig View Post
Like I said, I am not sure on the factory size (9/16"??). They just seem a little bigger than the 1/2" I bought at the store.
Here is a pic of 1/2" cheapos grade 3 next to my 9/16" grade 8's. Stock should have been closer to 1/2" than 9/16". The 9/16" will fit your plates w/o drilling though. I've sold a couple pairs of 9/16" grade 8's to a couple X guys....
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Old 10-15-2009, 07:18 PM   #8
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The ones I bought are 1/2" grade 5. Should I just get beefier ones?
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Old 10-15-2009, 08:17 PM   #9
With sufficient thrust, pigs fly just fine.
chris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shed
 
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Quote:
Originally Posted by NicksRig View Post
The ones I bought are 1/2" grade 5. Should I just get beefier ones?
I would get the same size/grade as the ones that were on there.
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Old 10-15-2009, 08:31 PM   #10
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Beefed Taco is one of the sharper tools in the shedBeefed Taco is one of the sharper tools in the shedBeefed Taco is one of the sharper tools in the shedBeefed Taco is one of the sharper tools in the shedBeefed Taco is one of the sharper tools in the shedBeefed Taco is one of the sharper tools in the shedBeefed Taco is one of the sharper tools in the shedBeefed Taco is one of the sharper tools in the shedBeefed Taco is one of the sharper tools in the shedBeefed Taco is one of the sharper tools in the shedBeefed Taco is one of the sharper tools in the shed
 
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Quote:
Originally Posted by NicksRig View Post
The ones I bought are 1/2" grade 5. Should I just get beefier ones?
1/2" grade 5 will be great. Just stay away from the cheapos at your local parts store. They're grade 3 China with a torque rating of 30 ft. lbs. Yours should be about 70-90 ft. lbs.These are my 1/2" grade 5 USA steel custom bent at the local spring shop I do a ton of business with. Even the threads aren't cut as deep so there is no play / movement in the nut at all. I highly recommend staying away from lock washers too. They'll deconform, crack, split & break and then your stuff is loose. Paint the threads when you're done so they don't rust and it'll all come apart nice when you need it to. I paint a white stripe on the rear of the nuts so I can *see* that they are tight.
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U-Bolt size Need Help-beefed-blocks-3.-00031.jpg   U-Bolt size Need Help-11-00000.jpg   U-Bolt size Need Help-beefed-kit-pictures-1-00016.jpg  
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Old 10-16-2009, 09:35 AM   #11
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Thanks dude. I am going to go ahead and install the ones I bought yesterday when my truck is back from getting aligned. Whats the difference between the rounded ones like in your picture vs. the squared ones that come stock?
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Old 10-16-2009, 11:32 AM   #12
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You wouldn't know what diameter the U bolts would be? I tried to flip my ubolts when I got my rear springs but couldn't find the right size u bolt.
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Old 10-16-2009, 11:40 AM   #13
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I just went out and measured my U-Bolts. They are exactly .510, so 1/2 is the winning ticket with a 'stock' setup.
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Old 10-16-2009, 01:44 PM   #14
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Originally Posted by SC4333 View Post
I just went out and measured my U-Bolts. They are exactly .510, so 1/2 is the winning ticket with a 'stock' setup.
Perfect!
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