...and then this;JNMDamp-Pro is not a mass loader. It is a constraint layer viscoelastic damper that converts the vibration energy into low level heat. This conservation of energy makes it 300% more efficient than traditional mass loadind tar boards
Viscoelastic butyl rubber - 99.4% solid content.
I used the spray on undercoating and i gotta say it is a big improvement. Easy chaep, and you can really put it on thick. Gotta get 3M tho. then i like to spray dupli color truck bed liner on the outside. nice look with the texture very durable, and it says it reduces sound, so i figure reduceing it from both sides is better, seems to be really quiet now.Yarp - alla that's tru (cept the heat), and one advantage of that "kit" is ofc not havin' to do anythin' like cutting to fit... mebbe... but in all honesty just about anything ya do would be an improvement - I doubt this (the fancy kit) is any better or worse than any other solution.
I just don't want anything "stuck" to the outside of my engine, as much as I ride - it'd never last.
BTW with the undercoating and the flower nut, that's one advantage of a soft, spray-on coating - coat the inside of the cover as thick as ya like and even if something contacts it, it "wears away" leaving a perfect fit w/o hurting anything, any residue has no effect (doesn't manage to get into the clutch). If yer picky - a lil acetone and a toothbrush will clean up the "smear" on the flower nut.
I just took off all 3 covers turned em upside down and sprayed em, sever light coats until it builds up. I notice the 3m undercoating is best for dampining sound on the inside of the covers, but is not that durable on the outside, unless you paint a few coats of reg. paint over them, I like to use dupli color truck bed liner on the outside, its really durable keeps more sound in, and IMO looks really good. I am uploading pics right now to put in a thread im about to start on my winter buildI am also interested in this kit.
rkorson4209, can you post a picture of where you sprayed the undercoating? Would this go on the inside of the clutch cover?
Thanks