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Junior SCH Member
Pulley help
I recently put a vortech v-1 s-trim on my 1990 mustang. The kit is set up with a 6 rib pulley setup can I change that to an 8 rib setup without having any problems. I currently see about 5.5lbs of boost and I found a kit that comes with a smaller crank pulley and a smaller supercharger pulley but they are 8 rib will this effect the kit in any way?
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Senior SCH Member
you dont want to get a small crank pulley.The pulley diameters will effect boost output.
Theres a formula for this and I'm not sure what is considered over spinning your unit.
Try to get your hands on a stock 8 rib set up or upgrade to the 8" crank and just maintain your a stock 3.33 upper pulley.
Good Luck
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You may run into clearance issues between the crank pulley and your fan setup on your radiator depending on what kind of cooling system you have.
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