Too much rear end articulation???
09-08-2012, 09:22 PM
#1
3rd Gear Member
Thread Starter
Join Date: Aug 2006
Location: Upstate NY
Posts: 621
Too much rear end articulation???
Hey all,
After some sage advice from experienced MF guys, I tossed the idea of a coil over set up, so I looked at the rear end components that I already have and I am a little concerned. I have MM lower arms and UPR adjustable uppers. They both have spherical ends at the axle. Will this cause too much articulation and or slop in the rear end? I know the uppers need spherical end on the axle ( I will use new rubber bushing on chassis), The lowers are MM, the best you can get, It would suck to install them and be all over the place.
Thank
Shawn
After some sage advice from experienced MF guys, I tossed the idea of a coil over set up, so I looked at the rear end components that I already have and I am a little concerned. I have MM lower arms and UPR adjustable uppers. They both have spherical ends at the axle. Will this cause too much articulation and or slop in the rear end? I know the uppers need spherical end on the axle ( I will use new rubber bushing on chassis), The lowers are MM, the best you can get, It would suck to install them and be all over the place.
Thank
Shawn
09-09-2012, 11:19 AM
#2
Your fine with your setup, spherical ends are the best option to run as far as performance goes, there won't be any slop. Slop comes from worn out rubber ot ply bushings. I would removed the rubber bushings on the axle side of your UCA and run a spherical bushing there as well. The only downfal to spherical ended control arms are increased NVH. I run solid on all ends on my car.
09-09-2012, 05:33 PM
#3
Hey all,
After some sage advice from experienced MF guys, I tossed the idea of a coil over set up, so I looked at the rear end components that I already have and I am a little concerned. I have MM lower arms and UPR adjustable uppers. They both have spherical ends at the axle. Will this cause too much articulation and or slop in the rear end? I know the uppers need spherical end on the axle ( I will use new rubber bushing on chassis), The lowers are MM, the best you can get, It would suck to install them and be all over the place.
Thank
Shawn
After some sage advice from experienced MF guys, I tossed the idea of a coil over set up, so I looked at the rear end components that I already have and I am a little concerned. I have MM lower arms and UPR adjustable uppers. They both have spherical ends at the axle. Will this cause too much articulation and or slop in the rear end? I know the uppers need spherical end on the axle ( I will use new rubber bushing on chassis), The lowers are MM, the best you can get, It would suck to install them and be all over the place.
Thank
Shawn
Your fine with your setup, spherical ends are the best option to run as far as performance goes, there won't be any slop. Slop comes from worn out rubber ot ply bushings. I would removed the rubber bushings on the axle side of your UCA and run a spherical bushing there as well. The only downfal to spherical ended control arms are increased NVH. I run solid on all ends on my car.
Uber's right. There's no such thing as too much articulation. What the sphericals do for you is they eliminate the bind and let the articulation take place more freely. They actually ELIMINATE slop. That's why they're used on racecars. The only reason they're not more popular is because they add NVH, and many people don't want to deal with increased NVH levels on their streetcars.
09-09-2012, 05:50 PM
#4
3rd Gear Member
Thread Starter
Join Date: Aug 2006
Location: Upstate NY
Posts: 621
Your fine with your setup, spherical ends are the best option to run as far as performance goes, there won't be any slop. Slop comes from worn out rubber ot ply bushings. I would removed the rubber bushings on the axle side of your UCA and run a spherical bushing there as well. The only downfal to spherical ended control arms are increased NVH. I run solid on all ends on my car.
Thanks,
actually the rubber bushing on the axle side is removed, thats why I was worried. Both the upper and lower arms will have a spherical ends at the axle. I will have a poly on the chassis side on the lowers and a new stock rubber on the chassis side on the uppers. Hopefully this wii aleviat some bind, not stress the mounting points and dampen some of the added NVH.
09-09-2012, 05:52 PM
#5
3rd Gear Member
Thread Starter
Join Date: Aug 2006
Location: Upstate NY
Posts: 621
Uber's right. There's no such thing as too much articulation. What the sphericals do for you is they eliminate the bind and let the articulation take place more freely. They actually ELIMINATE slop. That's why they're used on racecars. The only reason they're not more popular is because they add NVH, and many people don't want to deal with increased NVH levels on their streetcars.
I will have a new stock rubber bushing at the chassis end for the upper arm and a poly for the lower arm, this will hopefully address some of the noise added.
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