I know....why am I putting this on a diesel site. I figure chances our most of us have one at home that the other half drives?? I forgot to post this Aug. 1st when the promotion came out, but AMSOIL will guarantee a fuel ecomony increase (meeting certain conditions of course) or your money back.
Here's the details:
https://www.amsoil.com/products/prom...aranteeWeb.pdf
You can treat one time just to clean it out and then it's only recommended every 4000 miles. If any interest, give me a shout. One bottle treats 20 gallon. Anything over 20 just used the one bottle so that's all you need.
Heath -