Lower control arm bushing question
#2785675
06/15/20 12:22 PM
06/15/20 12:22 PM
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Joined: Oct 2003
Posts: 4,013 South Park, Pa.
68LAR
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I've done many, many of these in the past. With every one that I've done, I press the bushing into the control arm first, then press the shaft into the bushing. Question? How important is it that the shaft be tight in the bushing? Every one that I have done, the shaft was pressed into the bushing, and was tight. This past weekend, I replaced the bushings for a friend. One shaft was tight the other was not. I could actually pull it out of the bushing by had, very easily! (NOT sloppy loose, just snugly loose) I'm thinking the bushing is defective? With that, will anything be affected having the shaft loose?
4 speed street legal. Best time 10.99 @ 124 mph on 93 octane pump gas @ 3926# total weight
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Re: Lower control arm bushing question
[Re: moparx]
#2785695
06/15/20 12:56 PM
06/15/20 12:56 PM
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I had to press the shaft out of the old bushing,so I'm leaning toward the new bushing being defective. So, the question still is, how important is it that the shaft be tight?
4 speed street legal. Best time 10.99 @ 124 mph on 93 octane pump gas @ 3926# total weight
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Re: Lower control arm bushing question
[Re: burdar]
#2785723
06/15/20 01:45 PM
06/15/20 01:45 PM
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This is exactly what I was thinking. I have already told my friend to order another bushing.
4 speed street legal. Best time 10.99 @ 124 mph on 93 octane pump gas @ 3926# total weight
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Re: Lower control arm bushing question
[Re: DaveRS23]
#2785782
06/15/20 05:17 PM
06/15/20 05:17 PM
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Don't know what brand. He bought the parts. They came in a Rock Auto box!!!
4 speed street legal. Best time 10.99 @ 124 mph on 93 octane pump gas @ 3926# total weight
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Re: Lower control arm bushing question
[Re: RealWing]
#2785797
06/15/20 05:51 PM
06/15/20 05:51 PM
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Joined: Jan 2003
Posts: 4,760 Moved to N.E. Tennessee
GomangoCuda
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Does anyone know what brands are good or are they all made by the same factory and and put into branded packaging?
In theory, there is no difference between theory and practice. In practice, there is.
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Re: Lower control arm bushing question
[Re: GomangoCuda]
#2785813
06/15/20 06:43 PM
06/15/20 06:43 PM
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Joined: Apr 2011
Posts: 315 Ontario, Canada
RealWing
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They are not all made at the same factory. The 2 Moog bushings I have are made in India and both are junk.. the 2 AC Delco bushings are made in Mexico and one is good, the other is junk. I have 2 more free replacements coming, so I’ll soon know if they are ok or not. I have 2 Powerforged ones coming later this month. Some have said they are ok, but we will see. Spicer Professional Series is another make and I ordered a couple of those as well!!
The answer to that question About which ones are best is not yet known, from my perspective. Jim
Last edited by RealWing; 06/15/20 06:46 PM.
1970 Superbird 440-6bbl, auto 1969 Barracuda 340-4bbl, FB Formula S auto 1969 Barracuda 6.1 L Hemi, 5 speed, Convertible 2022 Can Am Spyder RTL
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Re: Lower control arm bushing question
[Re: 68LAR]
#2785868
06/15/20 10:08 PM
06/15/20 10:08 PM
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Joined: May 2006
Posts: 1,757 Phila
PhillyRag
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I've done many, many of these in the past. With every one that I've done, I press the bushing into the control arm first, then press the shaft into the bushing. That is wrong. Shaft pressed onto bushing. Then both are pressed into the arm via the bushing outer shell (collar part) Question? How important is it that the shaft be tight in the bushing? Every one that I have done, the shaft was pressed into the bushing, and was tight. This past weekend, I replaced the bushings for a friend. One shaft was tight the other was not. I could actually pull it out of the bushing by had, very easily! (NOT sloppy loose, just snugly loose) I'm thinking the bushing is defective? With that, will anything be affected having the shaft loose?
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Re: Lower control arm bushing question
[Re: PhillyRag]
#2785944
06/16/20 09:56 AM
06/16/20 09:56 AM
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Joined: Oct 2003
Posts: 4,013 South Park, Pa.
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[/color]. That is wrong. Shaft pressed onto bushing. Then both are pressed into the arm via the bushing outer shell (collar part) Doing this install the way I described, has always worked for me. Doing it the way you suggest, I really don't see any reason to make the job harder? The end result will be the same.
4 speed street legal. Best time 10.99 @ 124 mph on 93 octane pump gas @ 3926# total weight
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Re: Lower control arm bushing question
[Re: PhillyRag]
#2785974
06/16/20 11:09 AM
06/16/20 11:09 AM
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Joined: Mar 2003
Posts: 18,679 Fresno, CA
Jim_Lusk
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I've done many, many of these in the past. With every one that I've done, I press the bushing into the control arm first, then press the shaft into the bushing. That is wrong. Shaft pressed onto bushing. Then both are pressed into the arm via the bushing outer shell (collar part) Question? How important is it that the shaft be tight in the bushing? Every one that I have done, the shaft was pressed into the bushing, and was tight. This past weekend, I replaced the bushings for a friend. One shaft was tight the other was not. I could actually pull it out of the bushing by had, very easily! (NOT sloppy loose, just snugly loose) I'm thinking the bushing is defective? With that, will anything be affected having the shaft loose? It doesn't matter which order you do them, BUT if you press the bushing into the arm first you must support the inner sleeve from inside the torsion bar socket while pressing the pin in. Check out my video: https://www.youtube.com/watch?v=f2Op00pO6Kw
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Re: Lower control arm bushing question
[Re: 68LAR]
#2786032
06/16/20 02:07 PM
06/16/20 02:07 PM
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Joined: Jan 2003
Posts: 12,288 Benton, IL.
DaveRS23
Special needs idiot
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Special needs idiot
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Benton, IL.
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I have always pushed the bushing into the arm first. Only because I found it easier to support the inner sleeve with a properly sized 1/2" drive socket while pushing the shaft into it than it was to reach around the shaft to push on the outer shell.
But which ever way the installer finds easiest will work. As long as the inner shell is properly supported during the push.
And we had always used Moog suspension parts. Until the last few years. Now they are CRAP! What a shame.
Master, again and still
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Re: Lower control arm bushing question
[Re: RealWing]
#2786959
06/18/20 09:12 PM
06/18/20 09:12 PM
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Joined: Apr 2011
Posts: 315 Ontario, Canada
RealWing
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Got another AC Delco bushing today (to replace the bad one) - it was also junk. 0.814" ID vs the Delco spec of 0.810.
1970 Superbird 440-6bbl, auto 1969 Barracuda 340-4bbl, FB Formula S auto 1969 Barracuda 6.1 L Hemi, 5 speed, Convertible 2022 Can Am Spyder RTL
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Re: Lower control arm bushing question
[Re: DaveRS23]
#2786988
06/18/20 11:53 PM
06/18/20 11:53 PM
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Joined: May 2006
Posts: 1,757 Phila
PhillyRag
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Phila
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I have always pushed the bushing into the arm first. Only because I found it easier to support the inner sleeve with a properly sized 1/2" drive socket while pushing the shaft into it than it was to reach around the shaft to push on the outer shell.
But which ever way the installer finds easiest will work. As long as the inner shell is properly supported during the push.
And we had always used Moog suspension parts. Until the last few years. Now they are CRAP! What a shame. Well then either way is OK, but that inner shell needs support.
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Re: Lower control arm bushing question
[Re: RealWing]
#2787012
06/19/20 08:17 AM
06/19/20 08:17 AM
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Joined: Aug 2005
Posts: 299 Hinckley, Ohio
KWF340
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Is the shaft in spec? I had a case where a new bushing rotated on the shaft. I then tried the same bushing on a different shaft and it fit tightly. So in my case the shaft was out of spec and/or the respective parts were at the opposite limits in their tolerance window.
1968 Charger R/T, 440 Auto, GG1; 1969 Super Bee, 383, 4-speed, T5; 1969.5 Road Runner, 440-6, 4-speed, 96; 1970 Duster 340, 4-speed, EV2; 1970 Charger R/T SE, 440 (496), Auto, EB3; 1970 Dart Swinger 340 (416), 4-speed, EV2; 1970 Corvette coupe, LS5, 4-speed, Daytona yellow; 2000 Corvette coupe, LS1, 6-speed, Twin Turbo, Torch red.
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Re: Lower control arm bushing question
[Re: KWF340]
#2787045
06/19/20 10:26 AM
06/19/20 10:26 AM
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Joined: Oct 2003
Posts: 4,013 South Park, Pa.
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Is the shaft in spec? I had a case where a new bushing rotated on the shaft. I then tried the same bushing on a different shaft and it fit tightly. So in my case the shaft was out of spec and/or the respective parts were at the opposite limits in their tolerance window. When I removed the OE shaft, it was tight on the bushing, so, just an educated guess, that the shaft is within specs. The other side went together without any problems. Everything is pointing to the bushing being defective.
4 speed street legal. Best time 10.99 @ 124 mph on 93 octane pump gas @ 3926# total weight
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Re: Lower control arm bushing question
[Re: 68LAR]
#2787055
06/19/20 10:54 AM
06/19/20 10:54 AM
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Joined: Apr 2011
Posts: 315 Ontario, Canada
RealWing
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My shafts are 0.810" and 0.811" and both were pressed solidly into the old bushings, which were Moog K791 purchased back in 1999
Last edited by RealWing; 06/19/20 10:56 AM.
1970 Superbird 440-6bbl, auto 1969 Barracuda 340-4bbl, FB Formula S auto 1969 Barracuda 6.1 L Hemi, 5 speed, Convertible 2022 Can Am Spyder RTL
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