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Thread: what pullies for 6-8 psi

  1. #1
    Junior SCH Member
    Join Date
    Sep 2004
    Posts
    25

    what pullies for 6-8 psi

    i have a 8" crank and 3" blower pullie now and iam looking to go with about 6-9 psi if thats safe for a stock motor, what size crank and blower pullies will i need to run that boost level.


    what should be ran on a stock motor, is 8-9 psi to much.

  2. #2
    Senior SCH Member frdfandc's Avatar
    Join Date
    May 2003
    Location
    Elkton,MD
    Posts
    306
    You will need the stock 6.87 crank pulley and the 3.33 blower pulley.

    8-9 psi is ok on a stock motor if the tune is correct.

  3. #3
    Junior SCH Member
    Join Date
    Sep 2004
    Posts
    25
    so i guess i'll get them pullies and hook the kit up, send it to the dyno to get tuned.

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