Re: Differences between ’50’s era 30, 35 and 40 hp big twins?

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February 4, 2016 at 11:31 am #31331
Leon
Participant

    I actually did that, Chris. On the last RDS-21B I owned, I had a 1968 Lark X powerhead on it and it ran nicely. The Lark had a bad lower, so I used the powerhead on a motor that I was using.

    Hey Pappy, how about using a 40hp Gale powerhead, on a ’57 clamshell style Big Twin? Would that adapt any easier than the 1971, on Johny/Rude 40?