FREE PORTING PISTON Dolmar 111 & 115 family

I have a 540,
would I get a performance boost by putting a smaller cp jug on there?
that cp jug looks like some of Jonsereds last jugs they made like the 2055 and 2077.
any one port the 115 jug?

maybe i should just sell it off and find a different project.

Thanks for your help

David

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