Cobb lightweight pulley
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This is a discussion on Cobb lightweight pulley within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; Anyone on here install a cobb lightweight crank pulley on a 08+ wrx/sti? I wanted to know how you got ...

  1. #1
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    May 2013
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    Cobb lightweight pulley

    Anyone on here install a cobb lightweight crank pulley on a 08+ wrx/sti?

    I wanted to know how you got the stretch belt back onto the pulley. I've seen that grimspeeds pulley has screw holes for an adapter to assist the belt on, but haven't seen anything for the cobb pulley.

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  3. #2
    Registered User chutoyy's Avatar
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    Sep 2012
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    Sacramento/Orange County
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    I used a ziptie.

    Ziptie the belt on crank pulley (in the proper channel) and fit the other end over the AC pulley. then turn the engine over while slipping it over the AC pulley.
    2013 WRX Plasma Blue Pearl

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