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#1 |
Registered User
Join Date: Oct 2014
Location: new orleans
Posts: 302
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65 c10 rear U bolt measurement
cant find 5-6" drop block kits so im going to make my own like i have many times before
can someone give me measurements for the Stock Rear U Bolts so i can get some extended ones made OR can someone measure the ones on a 4" drop block kit if someone has them installed |
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#2 |
Senior Member
![]() Join Date: Jan 2011
Location: Hayes Va
Posts: 4,569
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Re: 65 c10 rear U bolt measurement
Issue with the blocks being that tall is the design of the trailing arms. The angle is tilted up and when you put a block on it it moves the rear end forward. The rears in these trucks are already forward in the wheel well and a block that size would move it an inch further forward. Also a block bigger than about 2" caused scrub line problems. A block that size would be a big issue with a 15" wheel.
Jimmy
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60 to 66 Chevy and GMC window decals http://67-72chevytrucks.com/vboard/s...d.php?t=661131 Good friends, good food and a hotrod what else do you need? 1966 BBW long fleet Daily driver 1965 BBW short fleet Sold and going to a good home 1965 Suburban 2003 3500 Duramax 2005 Ultra Classic |
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#3 |
Registered User
Join Date: Sep 2018
Location: New Orleans
Posts: 30
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Re: 65 c10 rear U bolt measurement
Let's see if I can get an answer
I never did anything to my rear and today very quickly apparently There is now a space between my axle and the trailing arms at the u-bolt Almost looks like there should be some sort of rubber or spacer or wedge I do see a little bit where on the bolts due to the I guess trailing arms rubbing on it back and forth I do not see that any of the bolts have come loose I don't see any cracks or breakage in the u-bolts But damn it if I don't have space a good eighth of an inch to a quarter of an inch It seems that however it's happening it has happened fairly quickly I've never dealt with that sort of noise or movement in my truck until very recently Where can I get those u-bolts and does anybody have an idea on why there would be a space |
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#4 | |
Registered User
Join Date: Oct 2012
Location: Philly, PA
Posts: 537
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Re: 65 c10 rear U bolt measurement
Quote:
https://www.holley.com/products/susp...s/parts/UBOLTS https://www.performanceonline.com/19...n-C10-and-C20/ https://westernchassis.com/1960-1972...Arm-Ubolt-Kit/ Seriously, that crud will lock the bolts in place, don't be surprised if you need to bash them out, then ream the crud out to get the new ones in. Give the trailing arms a good look over afterwards, if they fail while driving, you could end up in a bad place. How's the trailing arm bushings? If they haven't been changed out, might want to do them as well. They're a pain to replace, but worth it if you have the time. Same with the coil spring retainers.
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My truck ain't dead, it just smells funny. |
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#5 |
Senior Member
![]() ![]() ![]() Join Date: Jan 2018
Location: Hickory Flat, GA
Posts: 4,460
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Re: 65 c10 rear U bolt measurement
Sounds like the u bolt broke or wasn't tightened to the proper torque by the previous owner. The axle does not sit on a spacer or wedge at stock height, just flat on the trailing arm. No rubber either. If the bolts have wear on them, replace them.
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Christian Carpenter 1963 C10 - Frankentruck 283, Muncie 3 speed with overdrive Overdrive wiring here1963-ish truck bed trailer - Half-Wit 1981 C10 - Penny 305, th350 --> Soon to be 350, Saginaw 4 speed 1995 Dodge Dakota Sport "I'll put it simple: if you're going hard enough left, you'll find yourself turning right." - Doc Hudson |
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#6 |
Registered User
Join Date: Sep 2018
Location: New Orleans
Posts: 30
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Re: 65 c10 rear U bolt measurement
In those links is 2 Different Sizes
So?? |
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#7 |
Registered User
Join Date: Sep 2018
Location: New Orleans
Posts: 30
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Re: 65 c10 rear U bolt measurement
Have found two places I can get them made.
one needs a u-bolt one doesn't need the u-bolt can anybody please take me an actual measurement Mines a late 65 with trailing arms and 3/4-16 u-bolts I don't have my truck in front of me and I haven't had it in front of me in a couple days so I can't take a measuring myself Most of the ones that I see say 3 wide some say 3 1/2?? |
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#8 |
Registered User
Join Date: Sep 2018
Location: New Orleans
Posts: 30
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Re: 65 c10 rear U bolt measurement
So it was a wearing of the holes in the axle cradle
The holes got wallowed out and has allowed the U-Bolts to shift on the axle. Subsequently allowing it to get tighter and looser as I drove it Can anybody give me an inside measurement of the welded on cradles Wanting to use some flat steel w(w/3/4" hole) to make some inserts(washers?)to weld into them Last edited by spspspspoon; 09-15-2022 at 07:59 PM. Reason: Edit |
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