> Monti S Wrote:
> -------------------------------------------------------
> >
> Here we go again.
>
> These are both running 3hp 50cc cylinders with 25mm unrestricted exhaust
> headers and the intakes are 16mm ID.
>
> I don't plan to do any porting but the carbs are only 14mm venturi's so
> there's easily enough room to go to 15 maybe even 16 without touching
> the top of the atomizer.
>
> They are already jetted rich so I think I can get another 0.2/0.3hp just
> opening the carb.
Why not try and fit an expansion chamber on one of those bad boys. Be a fun project.