Yeah, that's what I was gonna do with my JL 300/4, 500/1, and 10w7 but never got around to it. Plus my math skills are long since forgotten on how to measure the volume of a cylinder.//content.invisioncic.com/y282845/emoticons/eek.gif.771b7a90cf45cabdc554ff1121c21c4a.gif 3.14*????