I know they're down here in Oz, but I wonder if the 1.7 would take this conversion?
http://cgi.ebay.com.au/Lada-Niva-turbo- ... dZViewItem
Also for those people wanting 4.3 diffs, looking at the pics at least 2 and probably all 3 of these are the 4 speed models.
http://cgi.ebay.com.au/3-x-LADA-NIVA-IN ... dZViewItem