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      08-25-2013, 11:39 PM   #996
Rated M Roadster
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Drives: F10 M5, i3, Z4M
Join Date: Jun 2011
Location: PDX

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Quote:
Originally Posted by ZStig View Post
cool. I'm gonna take off my pulley, measure the spacing, and then request the coating company to machine it to match. I assume the stock pulley is just cut down 1/8", but it would suck to be wrong and have wasted all that money

did you have to take the supercharger off to the the pulley off? How are you going to calculate the belt size for your new pulley?
I would wait to get the pulley before cutting the spacer; then you can measure it on the car and get the spacer cut locally. Needs to be fairly precise.

You just have to hold the pulley in place while you loosen the bolt; then it just slides off (if not, heat it up with a torch). The stock pulley on my kit was a 2.7", so I'll just use the same belt.
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