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Old Nov 17, 2005 | 07:21 PM
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I want to figure out my Blower belt drive ratio on the Radix.

Motor has 7.5" Crank pulley, 3.1" Blower Pulley

I divide 7.5/3.1 = 2.42 ratio

does that sound correct?
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Old Nov 17, 2005 | 08:30 PM
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Yes
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Old Nov 18, 2005 | 08:21 AM
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Originally Posted by moregrip
I want to figure out my Blower belt drive ratio on the Radix.

Motor has 7.5" Crank pulley, 3.1" Blower Pulley

I divide 7.5/3.1 = 2.42 ratio

does that sound correct?
So If you turn your engine to 6000 RPMS that means your blower is turning 14520 RPMS.
Last edited by Yellowsierra; Nov 18, 2005 at 08:28 AM.
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Old Nov 18, 2005 | 08:43 AM
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Originally Posted by Yellowsierra
So If you turn your engine to 6000 RPMS that means your blower is turning 14520 RPMS.

Back before I bought my turbos when I was going to intercool my whipple I was going to put a 2.5" pulley on the blower and I was going to get a 8" crank pulley made. If I turned my motor to 6000 RPMS that would have made my whipple turning 19200 RPMS
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Old Nov 18, 2005 | 09:30 AM
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7.5/2.75 = 2.73

6000 * 2.73 = 16380

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Old Nov 18, 2005 | 09:31 AM
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Originally Posted by Mort
7.5/2.75 = 2.73

6000 * 2.73 = 16380


same here.
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Old Nov 18, 2005 | 09:41 AM
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Originally Posted by Mort
7.5/2.75 = 2.73

6000 * 2.73 = 16380

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Old Nov 18, 2005 | 09:57 AM
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My turbos at 15psi 90,000RPMS........Jk lol
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