Originally Posted by
speedytang
The belt won't be large with the other pulleys. The factory hydraulic unit will take it up. If your factory belt has stretched just get a .5" smaller belt. Purchase a 8 rib supercharger pulley. I am sure I have 8 rib belts hanging in the shop I will put one in with the pulley. You can get a smaller blower pulley but you will over drive the unit. I would not go smaller than 4" on the 'SN' with this crank pulley or get a 3.75" 8 rib and shift at 5k rpm and if you find a VR4 you will have everything for 15 psi.
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