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Old 03-25-2012, 05:52 PM
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Here's some reading material for you. You plan to run 10 to 15 pounds boost, on the street or track only? Fifteen pounds with a roots blower is a whole lot of boost for a street motor, especially with todays pump gas. Figure out your static c.r. then take a look at what your effective c.r. will be with that much boost.

It sounds like you have an older 1/2" pitch setup, not the 8 mm. There are pulley combos you can use to get wherever you want to be, swapping up and down, etc. There are charts in the attachments.
Attached Files
File Type: pdf Supercharger Tech Info-1.pdf (107.6 KB, 54 views)
File Type: pdf Supercharger Tech Info-2.pdf (362.0 KB, 61 views)
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