I'm currently running the standard S-trim 3.33 / 6.87 pulleys and making about 9 psi. I'm wanting to make a couple more lbs, but no more than 12. I'm wondering roughly how much boost I will pick up by going to the 8" crank instead of the 6.87". Also, Vortech advertises the 8" crank pulley as having an improved traction profile. Will it still work in conjuction with my stock 3.33 blower pulley or do I need to change that too?
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