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540 big bore anyone dyno ed it?

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50 - 60 HP. A good running engine with a bolt on 540 kit with stock cam and carb should be close to 50 HP. 'Built up' 540's can reach 60 HP.

Edited by Chas_M

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A fully done 565cc is 60hp. 532 is 53-55hp. Normal 565 with hot cam and stock head and U4 is 58hp

50 - 60 HP. A good running engine with a bolt on 540 kit with stock cam and carb should be close to 50 HP. 'Built up' 540's can reach 60 HP.

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