Lower Control Arm Bushings?
#1613223
04/28/14 04:29 PM
04/28/14 04:29 PM
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Joined: Jan 2003
Posts: 3,831
N.E. Ohio
6bblFLASH
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OP
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N.E. Ohio
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My 68` B-body has a steering issue.
When changing lanes on the hi-way it either resists leaving your lane OR once it gets over the crown aggressively contiues to go left/right.
Cannot find anything worn,,wheel bearings/b-joints/tie-rods/box/idler/steering arm.
Front end has been rebuilt/don`t know when,At 70,000 mile now.
Tires new radials,alignment 1/8th toe in.
Only thing left is control arm bushings.
Its nice and clean and I can`t see anything off-center or evidence of any movement.........
Only thing that helps is LOWER tire pressure.Drives better,but still not as good as I think it can be. I had a GTX with the exact tire/wheel combo etc... Drove WAY better.
Drives better @ 30lbs versus 38lbs.P-195/75/R15s
Why not just run less air??? MUCH harder to steer,manual steering.
Any experiences? Other ideas?
70` Cuda`,440 6BBL Jerico,Dana 4.56 Still on 93 Pump Gas
9.87 @ 136/1.31-60ft.`09 Mopar Nationals PASSON PERFORMANCE "Stick-Shift" Champ!
2013 StickShift Challenge Winner@ Mopar Nationals!
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Re: Lower Control Arm Bushings?
[Re: 6bblFLASH]
#1613229
04/29/14 01:48 PM
04/29/14 01:48 PM
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Joined: Jan 2003
Posts: 3,575
The Netherlands
BigBlockMopar
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master
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The Netherlands
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Quote:
Tires new radials,alignment 1/8th toe in.
What are the other specs of the alignment?
Worn or loose wheelbearings can do funny things aswell. Check them.
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Re: Lower Control Arm Bushings?
[Re: 6bblFLASH]
#1613230
04/29/14 02:33 PM
04/29/14 02:33 PM
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Joined: Jan 2003
Posts: 75,015
U.S.S.A.
JohnRR
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I Win
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Quote:
.
Drives better @ 30lbs versus 38lbs.P-195/75/R15s
Why not just run less air??? MUCH harder to steer,manual steering.
Any experiences? Other ideas?
That's a little high , usually max is 35 , high pressure is ok on the track , but less tire contact on the road may make it follow ruts easier ?
70k miles on rebuild , they don't make rubber like they used to , I'd be tearing into it and replacing bushings .
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Re: Lower Control Arm Bushings?
[Re: JohnRR]
#1613231
04/29/14 03:37 PM
04/29/14 03:37 PM
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Joined: Jan 2003
Posts: 3,831
N.E. Ohio
6bblFLASH
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I usualy run 34/35. Thats just something I noticed. 70,000 on the car,front end parts 3-5,000 estimate. Front end was probably rebuilt when he built the car and put in the 383,,was /6. Well today a found A problem  ,probably not THE problem?????  . The output shaft on the steering box is loose. Adjusting makes no improvement. With one wheel off the ground I get as much free-play as a bad tie-rod. All in the box. You can`t feel it in the steering wheel,only by working the wheel/spindle by hand. So whats the prefered new box for a street/strip cruiser? Manual steering.... 
70` Cuda`,440 6BBL Jerico,Dana 4.56 Still on 93 Pump Gas
9.87 @ 136/1.31-60ft.`09 Mopar Nationals PASSON PERFORMANCE "Stick-Shift" Champ!
2013 StickShift Challenge Winner@ Mopar Nationals!
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Re: Lower Control Arm Bushings?
[Re: 6bblFLASH]
#1613233
04/29/14 04:17 PM
04/29/14 04:17 PM
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Joined: Jan 2003
Posts: 75,015
U.S.S.A.
JohnRR
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I Win
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Quote:
I usualy run 34/35. Thats just something I noticed.
70,000 on the car,front end parts 3-5,000 estimate. Front end was probably rebuilt when he built the car and put in the 383,,was /6.
Well today a found A problem ,probably not THE problem????? .
The output shaft on the steering box is loose.
Adjusting makes no improvement.
With one wheel off the ground I get as much free-play as a bad tie-rod. All in the box.
You can`t feel it in the steering wheel,only by working the wheel/spindle by hand.
So whats the prefered new box for a street/strip cruiser? Manual steering....
That is probably most of your problem, if the tire is moving that much and the steeringwheel is not then it's doing the same thing while driving and causing the car to dart with the road contours.
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Re: Lower Control Arm Bushings?
[Re: JohnRR]
#1613234
04/29/14 08:12 PM
04/29/14 08:12 PM
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Joined: Jan 2003
Posts: 3,831
N.E. Ohio
6bblFLASH
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Firm feel stuff is a 3 week plus wait. Summit has a Flaming River box in stock. Except for any pricing difference is FlamingRiver box a decent piece? Strictly cruising and strip use no corner carving. 
70` Cuda`,440 6BBL Jerico,Dana 4.56 Still on 93 Pump Gas
9.87 @ 136/1.31-60ft.`09 Mopar Nationals PASSON PERFORMANCE "Stick-Shift" Champ!
2013 StickShift Challenge Winner@ Mopar Nationals!
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Re: Lower Control Arm Bushings?
[Re: Danny]
#1613235
04/30/14 02:37 AM
04/30/14 02:37 AM
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Joined: Feb 2010
Posts: 18,493
Granite Bay CA
Kern Dog
Striving for excellence
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Striving for excellence
Joined: Feb 2010
Posts: 18,493
Granite Bay CA
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Quote:
I had a duster years ago that acted just like that, tore it apart and found that the K frame was broken where the LCA pivot shaft bolts on
This will happen after running the car awhile with worn out LCA bushings. The stresses of the road are no longer cushioned by the bushing and the metal to metal vibration rattles the K member/pivot shaft hole apart.
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Re: Lower Control Arm Bushings?
[Re: Jim_Lusk]
#1613237
04/30/14 03:08 AM
04/30/14 03:08 AM
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Joined: Jan 2003
Posts: 3,831
N.E. Ohio
6bblFLASH
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Not sure on the torsion bars,never measured them.
It carries a 440 with a roots blower etc... no problem,so they are V-8 bars i believe.
Its has a sway-bar and the correct K-member too.
70` Cuda`,440 6BBL Jerico,Dana 4.56 Still on 93 Pump Gas
9.87 @ 136/1.31-60ft.`09 Mopar Nationals PASSON PERFORMANCE "Stick-Shift" Champ!
2013 StickShift Challenge Winner@ Mopar Nationals!
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