Is all you have the 9LB pulley? (I would see 9 Sometimes 10 on the 8LB pulley)You might be, IF you are I would say stay out of boost. 12 PSI on the SC is too much for a stock block, Talking from what I have seen not guessing, A few guys including myself motors let go at 12 PSI.
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14 Q50 AWD, ARK, ECUTEK (SEB), Takda, 
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