Posted by Rick Denney on April 18, 2003 at 09:52:33:
In Reply to: Conn Helleberg sibling? posted by Sven Bring on April 18, 2003 at 02:51:34:
Doug Elliott 130-4N rim, P cup, P-4 backbore. It's just about the same rim, a smaller cup (what happens when you make a funnel into a cup), and a similar throat. A 130-4N, R, R4 is nearly the same as a Conn Helleberg.
Rick "who knows that Doug is swamped at the moment so you may have to wait" Denney