Originally Posted by
Lifer
sparky,
Did you need to change the HS needle with the 20x15?
Originally Posted by
sparky4lawndart
No changes at all...
A 22X10 & a 20X15 will put about the same load in an engine at 6500-7000 RPM.
The 22X10 will have more thrust while the 20X15 will give more speed.
The HSN setting should not be affected significantly.