leedham Member May 15, 2011 #1 Hey all, Has anybody read the manuals by Donny named " The Unauthorized guide to Twin Cam " ??
I IBA Harley Active Member May 16, 2011 #4 Amazon.com: Donnys Unauthorized Technical Guide to Harley Davidson 1936 to Present: Volume II: Performancing the Twin Cam (9781440111952): Donny Petersen: Books You can almost always find a book at Amazon.
Amazon.com: Donnys Unauthorized Technical Guide to Harley Davidson 1936 to Present: Volume II: Performancing the Twin Cam (9781440111952): Donny Petersen: Books You can almost always find a book at Amazon.