drop an email to
[email protected] with the subject of HANGAR SALE LIST REQUEST and state that in the message body too.
sometimes Dub has "used" racing engines available.
use caution if looking on ebay. Most of the racing engines are well cared for... but i think you understand my caution.
also...
look over in the Pattern - Classic Pattern forum. There are few guys there flying vintage/ballistic pattern projects with Jett 90L and Jett FIRE90L power.