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10-26-2012, 09:51 PM
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#1 |
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Registered User
Join Date: Nov 2010
Location: Chickasha, OK
Posts: 182
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Where to find 73-87 a arm u bolts??
Hey gang! I'm doing a complete front end rebuild on my 66c10 and I'm going to hang the lower a arms using the thicker and beefier 73-87 style u bolts (advice taken from this board). Just wandering where I could get some of these without going to the junk yard? I went to the local O'reilys but they didn't know what I was talking about (they are worthless here, anyone else have that problem??).
So.... Where can I get some? Thanks guys! Posted via Mobile Device |
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10-26-2012, 10:05 PM
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#2 |
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Registered User
Join Date: Aug 2010
Location: AZ
Posts: 3,069
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Re: Where to find 73-87 a arm u bolts??
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10-26-2012, 11:26 PM
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#3 |
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Registered User
Join Date: Nov 2010
Location: Chickasha, OK
Posts: 182
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Re: Where to find 73-87 a arm u bolts??
Thank you!!
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10-27-2012, 03:09 PM
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#4 |
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Registered User
 
Join Date: Jun 2006
Location: Tucson, Az
Posts: 705
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Re: Where to find 73-87 a arm u bolts??
Local auto parts store the motormite # 13503 in the help section
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10-28-2012, 02:47 PM
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#5 |
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Registered User
Join Date: Dec 2011
Location: san diego california
Posts: 143
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Re: Where to find 73-87 a arm u bolts??
Napa has them
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10-28-2012, 10:11 PM
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#6 |
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Registered User
Join Date: May 2007
Location: Mooresville NC/Gainesville GA
Posts: 499
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Re: Where to find 73-87 a arm u bolts??
Look in the Help section of your local parts store. The family owned store (Complete Auto Parts) I buy from has them in stock in their Help section.
Posted via Mobile Device
__________________
Eric Evans Queen City Shop Truck http://67-72chevytrucks.com/vboard/s...34#post6139834 66 GMC http://67-72chevytrucks.com/vboard/s...d.php?t=543110 |
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10-29-2012, 11:13 AM
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#7 |
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Registered User
Join Date: Nov 2010
Location: Chickasha, OK
Posts: 182
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Re: Where to find 73-87 a arm u bolts??
thanks guys! went to napa and picked em up just now.
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10-29-2012, 02:25 PM
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#8 |
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Registered User
Join Date: Aug 2010
Location: AZ
Posts: 3,069
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Re: Where to find 73-87 a arm u bolts??
Nice... I didn't know Napa had them. Good information to know.
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10-29-2012, 10:15 PM
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#9 |
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Registered User
Join Date: Aug 2002
Location: Westbank, BC
Posts: 403
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Re: Where to find 73-87 a arm u bolts??
I have never seen or heard of a failure on one of these. Is it worth upgrading my '65 U bolts? Mine show no rust or damage.
Posted via Mobile Device
__________________
1965 Chevy Short Box Stepside, 230 - 3 speed, 4:11 gears, original paint rust free survivor. Now sporting a 383 SBC and TKO-600 |
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10-30-2012, 01:41 AM
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#10 |
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Registered User
Join Date: Dec 2011
Location: san diego california
Posts: 143
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Re: Where to find 73-87 a arm u bolts??
They look good have a nice zinc plating on them and come with lock nuts for 7 bucks I think it's a decent investment, makes the undercarriage look pretty.
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10-30-2012, 08:53 AM
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#11 |
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Registered User
Join Date: Nov 2010
Location: Chickasha, OK
Posts: 182
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Re: Where to find 73-87 a arm u bolts??
It's more of a safety precaution then anything. The 60-66 u bolts are thin and weak looking when you compare them to the 73-87 style. When you see them side by side you will see the huge difference. Most failures luckily don't happen while going down the highway, it happens when you are backing up and have the wheel turned. Most of the time it is on a lowered truck. There have been a few threads about it in the past, I will try to find em.
Posted via Mobile Device |
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10-30-2012, 08:55 AM
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#12 |
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Registered User
Join Date: Nov 2010
Location: Chickasha, OK
Posts: 182
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Re: Where to find 73-87 a arm u bolts??
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10-30-2012, 10:45 AM
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#13 |
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Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 22,068
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Re: Where to find 73-87 a arm u bolts??
When the brake systems were upgraded to discs, the u-bolt size was increased. The smaller ones will work on a drum or disc truck, but the larger diameter units would be better.
The later model x-member u-bolt holes are sized accordingly. The earlier trucks will require some clearancing to use the larger diameter units.
__________________
67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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10-30-2012, 10:48 AM
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#14 |
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Registered User
Join Date: Nov 2010
Location: Chickasha, OK
Posts: 182
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Re: Where to find 73-87 a arm u bolts??
Yes, just need to drill out the original holes to 9/16 I believe. And use NEW steel lock nuts
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10-30-2012, 02:23 PM
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#15 |
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A guy with a truck
Join Date: Sep 2005
Location: Germany, for now
Posts: 5,921
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Re: Where to find 73-87 a arm u bolts??
Just bought all four under twenty bux shipped from NAPA.com to my front door. U-bolts and nuts look good, but I had to grab washers from Lowe's...
__________________
-Chris Instagram _elgringoloco_ '70 Short-Wide How to: Ruin a perfectly good C10 ‘70 Blazer ConversionHow To: Ruin a Perfectly Good 4wd '72 Highlander How To: Ruin a Perfectly Good K/5 (SOLD) '72 Blazer 2WD How to: Ruin a perfectly good Blazer (SOLD) '05 Yukon Daily Driven (not so stock) Yukon (SOLD) ‘07 Yukon Denali (daily) Members met list: SCOTI, darkhorse970, 67cheby, 67cheby'sGirl, klmore, porterbuilt, n2billet, Fastrucken, classicchev, Col Clank, GSFMECH, HuggerCST, Spray-Bomb, BACKYARD88, 5150, fine69, fatbass, smbrouss70, 65StreetCruiser, GAc10boy |
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11-02-2012, 11:02 PM
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#16 |
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Registered User
Join Date: Dec 2010
Location: konawa ok/oakdale Ca.
Posts: 1,652
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Re: Where to find 73-87 a arm u bolts??
Should thread lock or anti sieze be applied to the threads?
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11-03-2012, 01:14 AM
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#17 |
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Registered User
Join Date: Nov 2010
Location: Chickasha, OK
Posts: 182
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Re: Where to find 73-87 a arm u bolts??
I'm not sure.. What came with my kit from napa had grade 8 lock nuts with it. Maybe someone with some a lot of suspension experience will chime in on that question
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11-03-2012, 09:05 AM
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#18 |
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A guy with a truck
Join Date: Sep 2005
Location: Germany, for now
Posts: 5,921
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Re: Where to find 73-87 a arm u bolts??
If not using lock nuts, I would use red thread locker to be safe
Posted via Mobile Device
__________________
-Chris Instagram _elgringoloco_ '70 Short-Wide How to: Ruin a perfectly good C10 ‘70 Blazer ConversionHow To: Ruin a Perfectly Good 4wd '72 Highlander How To: Ruin a Perfectly Good K/5 (SOLD) '72 Blazer 2WD How to: Ruin a perfectly good Blazer (SOLD) '05 Yukon Daily Driven (not so stock) Yukon (SOLD) ‘07 Yukon Denali (daily) Members met list: SCOTI, darkhorse970, 67cheby, 67cheby'sGirl, klmore, porterbuilt, n2billet, Fastrucken, classicchev, Col Clank, GSFMECH, HuggerCST, Spray-Bomb, BACKYARD88, 5150, fine69, fatbass, smbrouss70, 65StreetCruiser, GAc10boy |
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