> Matt Mahloch -- MBM Customs wrote:
> -------------------------------------------------------
> > Otto Pappa Wrote:
>
> > -------------------------------------------------
>
> > Do you think the two additional transfer ports on the suction side (as
> seen later on this thread) of the cylinder would give even more power
> and top speed?
>
> This is just my opinion so take it with a grain of salt but I think
> adding auxiliary ports narrow the power band while increasing torque
> throughout that power band being best suited for sprint bikes rather
> than top speed bikes.
There are only a few examples of adding boost ports in the literature, but here is one:
"Graham Bell - Two Stroke Performance tuning"
The cylinder (Bultaco Matador 250cc) in factory condition is of course not exactly the same as Italkit's Gilardoni, but the results show that adding two boost ports has brought more power to the entire rev range by about 5...10%.
These boost ports are similar to the one boost port in the Gila, i.e. oriented quite vertically.
I think it's interesting that in the same test, the 360-degree Inlet has been changed to 200 degrees, with which the power has been increased even more. Now, however, the power increase is aimed at the upper end of the rev range and the power decreases slightly at lower revs.
So do you have a 152deg Inlet on the Gila and do your piston have those factory made two holes right below the piston rings? Thank you.
