Roush Blower pulley sizes?

mattch2

New Member
Jan 20, 2003
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Niagara Falls
okay guys wondering if you could help me out on this one...i want to up my boost on my series I blower..I know chicane sells the smaller pulley but have also came accross pulley boys and there pulleys.... http://www.pulleyboys.com/saleen3.html

now What size should I go wiith? they go from 1.9" -3.3"...What levels of boost does each size offer?is 12psi the max or can i go 15psi? what is stock and what is the smallest pulley I can go with on my stock motor..... Jusr so you do all know..yes i do have the injects and pump already aswell as taking it to get a tune right after the mods:) \