Originally Posted by rc pete

I've been looking for AE to XRay Oil conversion charts, as well. If you look long enough, you'll find a number of conflicting reports and threads.

Like this one, that says AE Oil is way heavier:
http://forum.teamxray.com/viewtopic....f5c5ab2c75a04d

Recently, XRay has posted a chart to compare their CST labeled oils with their original Weight marked oils:
http://teamxray.com/teamxray/news/ne...ersion%20Table

Associated is now also marking their oils with a CST rating:
http://teamassociated.com/misc/database/db_oil.htm

I find that these official XRay and Associated charts/markings are most consistent with what I'm finding.