Suspension Refresh Questions
#2
EvoM Staff Alumni
iTrader: (3)
This is a good thread here that discusses bushing replacement. Yes, most of the susp bushes are spherical
Theres really not that many bushings in our suspension. These master kits are a good choice when doing a full re-bush
See here: https://www.evolutionm.net/forums/ev...placement.html
Theres really not that many bushings in our suspension. These master kits are a good choice when doing a full re-bush
See here: https://www.evolutionm.net/forums/ev...placement.html
#3
This is a good thread here that discusses bushing replacement. Yes, most of the susp bushes are spherical
Theres really not that many bushings in our suspension. These master kits are a good choice when doing a full re-bush
See here: https://www.evolutionm.net/forums/ev...placement.html
Theres really not that many bushings in our suspension. These master kits are a good choice when doing a full re-bush
See here: https://www.evolutionm.net/forums/ev...placement.html
#4
EvoM Staff Alumni
iTrader: (3)
Thanks, very informative thread. I have a few more questions though. I just installed bilstein shocks/struts with swift spec-r springs, should I get the whiteline bump steer correction kits pn#'s kca390, kca395, and kca388? In the thread someone posted that all the rear bushings are spherical except the toe arm and trailing arm bushings, is that correct? Are there any spherical bushings in the front control arms? Finally, is it a downgrade to just replace all the bushings with poly replacements? I'm not building a track car, but would like to upgrade the car over OEM whenever possible. Thanks in advance for the help.
Last edited by MinusPrevious; Apr 5, 2018 at 09:44 AM.
#5
So, the steering rack kit isn't worth doing? The KCA388 kit replaces the rear toe arm bushing. Here is the link https://whitelineperformance.com/col...88-bushing-kit
#6
EvoM Guru
iTrader: (26)
I replaced all rubber bushings with poly, sphericals, or solid as I was doing mods in different areas. A bunch were done at once so I cannot comment on individual bushing changes. My favorite was the rear LCA spherical as the car didn't tram the road nearly as hard anymore. DO NOT replace any of the factory sphericals with poly as it will be a downgrade to the freedom the sphericals offer.
Front:
KCA395 Roll Center Adjust (due to lowering car)
KCA400M Anti-lift/caster offset spherical
W0593 front LCA bushing (do not do this if you get the offset bushing above as it creates stiction in the suspension)
KCA390 steering precision kit
Rear:
KCA388 bumpsteer correction
W0594 trailing arm
Drivetrain:
Solid shifter base and linkage bushings
Torque Solutions 3-pc motor mount (not the 4-piece due to NVH which my car already has enough of)
Torque Solutions driveshaft bushings
Energy Suspension mustache bar & diff mount bushings
Front:
KCA395 Roll Center Adjust (due to lowering car)
KCA400M Anti-lift/caster offset spherical
W0593 front LCA bushing (do not do this if you get the offset bushing above as it creates stiction in the suspension)
KCA390 steering precision kit
Rear:
KCA388 bumpsteer correction
W0594 trailing arm
Drivetrain:
Solid shifter base and linkage bushings
Torque Solutions 3-pc motor mount (not the 4-piece due to NVH which my car already has enough of)
Torque Solutions driveshaft bushings
Energy Suspension mustache bar & diff mount bushings
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#8
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Join Date: Aug 2004
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I replaced all rubber bushings with poly, sphericals, or solid as I was doing mods in different areas. A bunch were done at once so I cannot comment on individual bushing changes. My favorite was the rear LCA spherical as the car didn't tram the road nearly as hard anymore. DO NOT replace any of the factory sphericals with poly as it will be a downgrade to the freedom the sphericals offer.
Front:
KCA395 Roll Center Adjust (due to lowering car)
KCA400M Anti-lift/caster offset spherical
W0593 front LCA bushing (do not do this if you get the offset bushing above as it creates stiction in the suspension)
KCA390 steering precision kit
Rear:
KCA388 bumpsteer correction
W0594 trailing arm
Drivetrain:
Solid shifter base and linkage bushings
Torque Solutions 3-pc motor mount (not the 4-piece due to NVH which my car already has enough of)
Torque Solutions driveshaft bushings
Energy Suspension mustache bar & diff mount bushings
Front:
KCA395 Roll Center Adjust (due to lowering car)
KCA400M Anti-lift/caster offset spherical
W0593 front LCA bushing (do not do this if you get the offset bushing above as it creates stiction in the suspension)
KCA390 steering precision kit
Rear:
KCA388 bumpsteer correction
W0594 trailing arm
Drivetrain:
Solid shifter base and linkage bushings
Torque Solutions 3-pc motor mount (not the 4-piece due to NVH which my car already has enough of)
Torque Solutions driveshaft bushings
Energy Suspension mustache bar & diff mount bushings
*That covers all bushing that are in the rear
#9
IMO KCA390 steering precision kit is worth doing if the car is lowered. It slightly alters the height of the steering rack and reduces bumpsteer that increases with lowering the car. Car will drive better with the kit when lowered, with less tramlining and bumpsteer on uneven road surfaces.
#10
EvoM Community Team Leader
iTrader: (60)
So, the steering rack kit isn't worth doing? The KCA388 kit replaces the rear toe arm bushing. Here is the link https://whitelineperformance.com/col...88-bushing-kit
Maybe if I get to the point where precious .10s off my lap time matters. Or the engine is out again (knock on wood).
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