I think that just cooling the sump will be a lot of work for little result. However, if you look at the way I did it, you get oil cooler cooling and also sump cooling comes for free. This worked for me with no degradation to CHT temps. See a previous post.
See N64KR at http://KRBuilder.org - Then click on the pics? See you Oct. 4 and 5, 2013 - KR Gathering in Mt. Vernon, Il ? MVN Daniel R. Heath -?Lexington, SC -----Original Message----- Also means yet another mod to the cowl and even more down time. Gotta do what you gotta do. Does anyone have any info on cooling the VW oil sump?