USAC and midget cars Jun 12, 2013 15:43:16 GMT 1 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by tobyhalter on Jun 12, 2013 15:43:16 GMT 1 This is an informative link I have found. It's well worth reading.www.circletrack.com/featuredvehicles/ctrp_0702_usac_racing/viewall.html