Board index Flathead Power-Technical Questions, Answers, and Suggestions Big Twin Flatties Dyno #'s

Dyno #'s

Post Wed Jun 04, 2008 4:47 am

Posts: 12
Location: wisconsin
Anyone have torque/hp numbers at various rpm for stock 74 or 80 btsv?

Post Thu Jun 05, 2008 9:21 am

Posts: 83
Go to advanced search and search "dyno charts" within topic titles only. You'll find a topic on that issue. Stock 74" U-model bikes put about 30hp rear wheel. Paul Friebus, at American Cycle Fabrication, does a lot of work on flatheads, and also dyno tests. He may help you on torque curve specs.

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