Anyone know if we can use the stock supercharger pulley belt for a 3.75 to 4" pulley.

Any ideas where to get the proper size belt and strength to handle this?
The original 6 groove belt from the Vortech kit had a mitsubishi part number.

 

With the smaller pulley, the tensioner adjusting pulley won't have sufficient travel to take up the slack and tighten the belt enough. It would be wise to find a slightly shorter belt. I recall that Tech 2 supplied such things when they introduced their smaller pulleys.
Goodyear makes replacement belts for our superchargers. It shouldn't be too difficult to calculate just how much shorter the belt needs to be given the reduction in radius of the smaller pulley.

 

Check this out: https://www.s2ki.com/forums/index.php?showtopic=254159

 

Thanks for your post, Sideways.
And to think, I even put this into the FAQ's.

 

Thank you, we can always count on the veterans.