Thread: JRSC C38 with an RS Pulley
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Old 06-19-2018, 05:24 PM   #20
valtore101
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Quote:
Originally Posted by CSG Mike View Post
90mm IIRC.
Assuming the crank pulley is 140mm, that would spin the blower at 87,500 rpm at 7500. About as close to 90k as you can get, love it
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