3HP BRIGGS MODS/TWEAKS?

TheSignGuy

Member
Nov 24, 2014
452
7
18
seattle, wa
Looking to get more torque out my Briggs without risk of blow up or snapping a shaft...

3HP

3600 rpm

4.4 torque rating.

3/4 shaft

Trans/pulley system pre setup:

Clutch Small pulley: 3.5 inches

Large drive pulley: 15inches (whizzer sheave.)

Belt estimated size by calculator:

Pull centers: 20 inches

SP X LP x PC = 70.1 BELT SIZE.

ESTIMATED STOCK MPH PRODUCTION ON 32.3 CALCULATED


"Low end torque needed for hills?"