Quote:
Originally Posted by M3SQRD
Simply:
Street = V4
Track = CS V4
The V4 is a 3-way street damper whereas the CS V4 is a 3-way track damper. All V dampers are setup primarily for the street and come with a lifetime warranty. All Club Sport (CS) dampers are developed primarily for the track and do not come with a lifetime warranty (it may have a 1-2 year limited warranty). The V4 front strut has a tapered main spring that reuses the oem shock tower mount (top hat) and the rear damper uses the oem rear upper damper mount. This is done to minimize NVH compared to front camber plates. The V4 will be valved to handle softer spring rates as well as to improve ride quality. Can the V4 be used on track? Yes but it’s been designed primarily as a street damper.
The CS V4 uses front camber plates to bolt to the strut towers. I believe KW camber plates use an unsealed monoball which can add NVH. The CS V4 will be valved for higher spring rates as well as being able to handle a larger range of rates. The valving will also be more aggressive than the V4 to provide more control over pitch, roll and heave motions as well as better controlling unsprung mass motion. The CS V4 will need to be rebuilt more frequently than the V4. Also, KW doesn’t allow changes in valving on the V3 (they’ll rebuild them but won’t change damping) so there’s a possibility they won’t alter valving on the V4 whereas CS V4 valving can be adjusted to handle higher spring rates and/or the addition of aero. Can the CS V4 be used on the street? Yes but it’ll have a poor ride quality compared to the V4 and will reduce the interval between rebuilds.
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Amazing. Thank you so much for the in depth explanation. You rock!