VPI HW 19 - replacing springs with pucks or cones


I have a VPI HW 19 turntable and have read in several places about a modification whereby the suspension springs are removed and replaced with sorbothane pucks or cones. Does anyone have experience with this modification? Opinions as to benefits vs. detriments? Most importantly, what size/brand/type of puck or cone works best? Thanks.
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Wayne,
Actually I have 4 pieces of the noodle stuff under my table.
If you ever get around to this mod, send me an eMail and let me know what you think of it.

Piedpiper,
Apology accepted, even us innocents can get touchy sometimes when it comes to our gear.
I am using the Limbsaver navcom pucks with great success. I was having trouble isolating my TT mounted on the wall from the closure of a door that was solved 100% by these. There are a couple of choices but one size has a stud that screws right into the threads in the plinth. Worked perfectly today as someone slammed the door with a test pressing of Michael Bloomfield playing. Tracked like a charm.
Wntrmute,
What were you using before the limbsavers, and aside from helping to isolate your table from the closing door was there a sonic improvement?
I gather you placed them between the plinth and base. If you did, was any modificaton of the base or the limbsavers necessary?
I've heard alot of HW-19 users replace the springs with the sorbothane to help eliminate footfalls. I've never had that problem as my TT is wall mounted. I just wanted to experiment with different materials to improve the sound.
Thanks - Frank
My HW19 MK III came with the sorbothane pucks... but I removed them and have gone back to the Springs. I like the springs better. They lighten up the sound some to my ears.
I was using the stock springs prior to experimenting w/ other materials. My initial goal was to isolate the TT from wall borne vibrations as I couldn't safely play a record without running the risk of a skip/scratch. I tried a number of different isolation techniques from mass loading to bubble wrap but the closing door won the vibration battle time after time. Both the sorbothane pucks and the Navcom pucks worked well with a slight improvement coming from the limbsavers. The sound was perfectly similar with all 3 methods of suspension but getting rid of the springs allowed better isolation from the wall. The number that worked for me without modification was #3003.