{"product_id":"donnys-unauthorized-technical-guide-to-harley-davidson-1936-to-present-volume-ii-performancing-the-twin-cam-9780595515165","title":"Donny's Unauthorized Technical Guide to Harley Davidson 1936 to Present: Volume II: Performancing the Twin CAM","description":"Donny Petersen offers the real deal in performancing your Harley-Davidson Twin Cam. Graphics, pictures, and charts guide the reader on a sure-footed journey to a thorough H-D Twin Cam performance understanding. \u003cp\u003e\u003c\/p\u003e Petersen's insight makes technical issues understandable even for the novice. Donny simply explains what unfailingly works in performancing the Twin Cam. \u003cp\u003e\u003c\/p\u003e This is the second volume of Petersen's long-awaited Donny's Unauthorized Technical Guide to Harley Davidson 1936 to Present. This twelve-volume series by the dean of motorcycle technology examines the theory, design, and practical aspects of Twin Cam performance. \u003cbr\u003e Donny studied privately with Harley-Davidson engineers, having worked on Harleys for over 35 years. He founded Toronto's Heavy Duty Cycles in 1974, North America's premier motorcycle shop. \u003cp\u003e\u003c\/p\u003e Donny has ridden hundreds of performanced Shovels, Evos, and Twin Cams across four continents doing all of his own roadside repairs. He has acquired his practical knowledge the hard way. Donny has the privilege of sharing his performance secrets the easy way. Donny will walk you through detailed performancing procedures like headwork, turbo-supercharging, nitrous, big-inch Harleys and completing simple hop-up procedures like air breathers, exhausts, and ignition modifications. \u003cp\u003e\u003c\/p\u003e Donny Petersen feels honored to share the wealth of his motorcycle knowledge and technical expertise.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eBinding Type:\u003c\/b\u003e Hardcover\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e iUniverse\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 12\/24\/2008\u003cbr\u003e\u003cb\u003eISBN:\u003c\/b\u003e 9780595515165\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 740\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 2.71lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 9.00h x 6.00w x 1.75d","brand":"Donny Petersen","offers":[{"title":"Default Title","offer_id":36639242944668,"sku":"9780595515165","price":42.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0473\/0804\/6492\/products\/img_371e1f03-edc3-4041-be4a-70b32323fded.jpg?v=1603849321","url":"https:\/\/pastforward.org\/products\/donnys-unauthorized-technical-guide-to-harley-davidson-1936-to-present-volume-ii-performancing-the-twin-cam-9780595515165","provider":"Past Forward","version":"1.0","type":"link"}