Originally Posted By FastmOp
That's a Magnuson style, I need to ask what fuel and what's the designated intent. If it's pump gas and mostly street you should be fine.

My turbo big block is 12 to 1 but it's race gas. C-16. It has no detonation at 30PSI


NOT a Magnuson style...The factory supercharger and the Magnuson are completely different from a design perspective. Magnuson uses roots style rotors from Eaton (same as an Edelbrock supercharger) and is far less efficient than the IHI screw compressor that comes factory.

knyech1- '71 Sassy Grass Demon 340/904. Pump gas, 1.61 60ft, 7.439 1/8 @ 95mph, 11.824 1/4 @ 111mph "Not too bad for a pump gas 340, full of used parts and hillbilly ported stock heads." - V.B. '03 2500 5.9L HO 6-spd on 35's. 395hp/755ft-lb at tires.