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Description
Donny's Unauthorized Technical Guide to Harley Davidson 1936 to Present: Volume II: Performancing the Twin CAMDonny 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. Petersen's insight makes technical issues understandable even for the novice. Donny simply explains what unfailingly works in performancing the Twin Cam. This is the second volume of Petersen's long awaited Donny's Unauthorized Technical Guide
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. Petersen's insight makes technical issues understandable even for the novice. Donny simply explains what unfailingly works in performancing the Twin Cam. 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.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. 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. Donny Petersen feels honored to share the wealth of his motorcycle knowledge and technical expertise.
Binding Type: Hardcover
Publisher: iUniverse
Published: 12/24/2008
ISBN: 9780595515165
Pages: 740
Weight: 2.71lbs
Size: 9.00h x 6.00w x 1.75d
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★★★★★ 5
Styling
Great card. No problems and its slick style makes it noteworthy when u purchase a item.
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Reviewed in the United States on June 10, 2026
★★★★★ 4
APPLICATION WAS SEAMLESS
CC is OK.
Easy application.
Seamless issuance.
CC arrived on time.
Having difficulty signing up online to pay.
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Reviewed in the United States on June 11, 2026
★★★★★ 1
Not good if you need Whole Foods gift cards
If you want to buy Whole Foods gift cards (which is why I got it) it flags it for fraud and doesnt let you. I was told you can spend at Whole Foods but not buy WF gift cards, even though it is a Prime Credit Card. Also if you buy WF gift cards online, you dont get the rewards since its from a gift card company and not Whole Foods.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Not bad, good to business. Need more benefit.
Nice card, but less benefit than the personal one. so okay.
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Reviewed in the United States on May 22, 2026
★★★★★ 5
really easy to use i will keep use it!
work really well very please
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Reviewed in the United States on June 11, 2026