If you are interested in Z Chains, Zoro Tools http://zorotools.com carries the Super Z and Super Z6 (not the plain Z that Tesla sells). Today (11/5) from 11 AM to 2PM CST, 30% off using code 30NOW. All day, 15% off using code 15TODAY. Free shipping >$50, sans sales tax in most states. I opted for the SZ-143, Super Z6 for $46.19.
Thanks Bill, purchasing now! Hopefully the webpage loads eventually... - - - Updated - - - Are you sure these are the right ones? ChadS says the right ones are these: Z-563 In this thread http://www.teslamotorsclub.com/showthread.php/11372-snow-chains/page3
Yes, very slow - clogged, I would imagine. - - - Updated - - - Chad is correct - those are the ones Tesla sells. The SZ 143 and SZ 343 are for the 19" tires and are a bit lighter duty, but, easier to install. I opted for the Super Z6 as I expect to very rarely, if ever, use them. Take a look at the comparison chart: http://www.scc-chain.com/tire-chain-finder/traction-product-comparisons/
Try this: Tire Chains by PEERLESS - Tire Repair by Zoro Tools Industrial Supplies The SZ 143 and SZ 343 are for 245/45R19
SZ 143 (Super Z6) is very low profile. Probably not required on the MS, as Tesla sells the larger Z (not SZ) chains. http://www.scc-chain.com/tire-chain-finder/traction-product-choices/super-z6-tire-chains/
I ordered the SZ 143 (requires 6mm of clearance to wheel well) but after watching the video it looks like the SZ 343 (requires 8mm of clearance to wheel well) would also work really well. Thanks again Bill!
Has anyone actually used the SZ-143 chains. There is a new thread indicating that they do not fit. snow chains - Page 7. I have ordered the 143s from amazon and can exchange them for the Z-563 Tesla sells if need be. Heading north on April 1 and want to be prepared.
I mounted my z-143 chains while at the Service Center and had them check them. The chains do have more clearance by the struts, however, they come perilously close to the lower control arms. They had their floor sample Model S chained up with the z-653 chains so I could easily compare the fit. The primary difference seems to be the radius of the chains on the inside is smaller with the fixed position sz-143 chains bringing this closer to the control arms. They advised against using them and after crawling under the car I concur that this is indeed a problem. Bought the sz-143s from Amazon so no problem exchanging them for the s-653s