I would appreciate some information on a 46 thru 48 Harmon Collins cam . It is NOS and reground off a stock ford cam. The number is S 108 on the front flange for the cam gear. I would like to know the specks and the valve lash setting. for the cam . Thank you.!
Super: Intake: 24-68 Exhaust: 66-22 Lift: 320 Duration: 262 Full Race: 19-59 59-19 320 258 3/4: 19-59 54-14 320 258 Semi: 16-54 54-16 320 250 Unsure of specifics however this may assist? http://www.tildentechnologies.com/Cams/FlatheadPerformance.html https://www.jalopyjournal.com/forum/threads/harmon-and-collins-cam.951620/