As above...EVERY oil change on our Vipers...and we are very happy with the great folks at Blackstone. While I do get reports sent to me with each sample, they also have an online service the shows all of my past reports when I call them up. Here is the link:
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.