Yeah, I realize its got to be pulled, thats part of the reason I still have it unused! I bought it initially to cure the drain back issue I was having with an '01 with an 8.1liter engine. That problem sort of goes away if you make sure to run the truck at least once every 5 or 6 days. Now, that...
I still have a kit that I bought in May 2006. This is prior to the patent date but it appears that they were working on this as far back as 2002. Is there any way to know if this kit would be the upgraded kit? There is no part # of any kind on the box.