thinking about buying a car with dss 306 holley stage 3 heads z303 cam and edel II intake with s trim owner does not know the hp never has it tuned or anything but says it runs good everything is new how much power u think it is doing on 10psi right now? and i also wanted to know how much boost can a s trim make max with out upgrading internals just changing pulley pipe and boost cooler? thanks
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