D1SC Prochager kit $2600
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With a Centrif blower boost is linear with rpm and there's some correction to volumetric efficiency... If your cam dies at 5300 then about 7-8 psi at peak rpm on an lq4. Add a cam with a wide lobe sep that likes 6500 then 10-11 psi. All given this 4" pulley and a stock crank pulley diameter...