Thes baord has an exellent spel shecker to da ryght of the Submiit
Et mayks us bad spelers seam a littl mor edjumacated!
Here is a picture of the Sportsman IIs, (look at the picture of the combustion chamber). You can see how bad the intake valve is shrouded. In this case I think unshrouding the valve makes a big difference. I have a 4.145" bore, so I was able to open it up a little more than if it was for a 350.