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11-05-2006, 01:49 PM
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#1 |
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72 BB C30 Super LongHorn
 
Join Date: Nov 2002
Location: Chavez Ravine
Posts: 1,606
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Ball Joint sizing on 1971-72 1/2 ton Front disc spindles
What are the sizes for these ball joints?
Part #s to order with and make? How about the spindle bearing size, just for asking? Just for kicks, I wanted to see the differences, I measured my 69 Camaro A-arms for their respective sizing and got a 1-7/8" upper and a 2" lower ball joint diameter.
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72 BB C/30 Longhorn Super HO72 No-Spin, #'s matching, Tilt, Tach, AC, AM/FM HO72 build : http://67-72chevytrucks.com/vboard/s...d.php?t=714492 2017 SS 
Last edited by RPOZ11; 11-05-2006 at 02:06 PM. |
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11-05-2006, 02:19 PM
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#2 |
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Senior Member
Join Date: Aug 2006
Location: Minnesota
Posts: 943
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Re: Ball Joint sizing on 1971-72 Front disc set-ups
This whole topic confused me, so I got the complete front end rebuild including drop spindels and disc brakes which converts the ball joints and tie rod ends to the 73 on up style.
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11-05-2006, 02:51 PM
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#3 |
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72 BB C30 Super LongHorn
Join Date: Nov 2002
Location: Chavez Ravine
Posts: 1,606
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Re: Ball Joint sizing on 1971-72 Front disc set-ups
Ball joints/tie rod ends for 73-up 1/2 ton are different than 71-72?
Just trying to educate myself here....
__________________
72 BB C/30 Longhorn Super HO72 No-Spin, #'s matching, Tilt, Tach, AC, AM/FM HO72 build : http://67-72chevytrucks.com/vboard/s...d.php?t=714492 2017 SS
Last edited by RPOZ11; 11-05-2006 at 02:52 PM. |
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11-05-2006, 03:08 PM
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#4 | |
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Registered User
Join Date: May 2004
Location: Chandler, AZ
Posts: 519
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Re: Ball Joint sizing on 1971-72 Front disc set-ups
Quote:
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 69 C-10 LWB, 350, 700r4, 3.73 posi-traction, front disc brakes. Built for the desert- She can take the heat! Vivat Rex Chevus! 
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11-05-2006, 05:12 PM
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#5 |
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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Re: Ball Joint sizing on 1971-72 Front disc set-ups
71/72 have the same LOWER ball joint as the 73-up, but the upper ball joint & outer tierod ends are different. To run the cheaper 73 up drop spindles on your 71-72, all you need to swap is the UPPER balljoint, & the outer tierod end. Best of luck(hope that helps)
 L
__________________
69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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11-05-2006, 07:41 PM
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#6 |
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72 BB C30 Super LongHorn
Join Date: Nov 2002
Location: Chavez Ravine
Posts: 1,606
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Re: Ball Joint sizing on 1971-72 Front disc set-ups
So, is it the pin diameter that changes in 73? and/or does the upper ball joint diameter change with it as well?
__________________
72 BB C/30 Longhorn Super HO72 No-Spin, #'s matching, Tilt, Tach, AC, AM/FM HO72 build : http://67-72chevytrucks.com/vboard/s...d.php?t=714492 2017 SS
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11-05-2006, 08:48 PM
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#7 |
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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Re: Ball Joint sizing on 1971-72 Front disc set-ups
The pin diameter/taper are different, but they bolt in the same way (4 bolts on the top Ball joint on all yrs). The bottom BJ is a press fit , & only differs from 1/2 to 3/4 ton on the hole size in the lower arm. On the top arms, you can bolt 1/2, or 3/4 ton balljoints.....on the bottom the A arm is different 1/2 to 3/4 ton, due to the hole size for the press fit on the ball joint.
L
__________________
69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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