Thread: Stacked pulleys - 23 psi with no codes. :)
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Old Dec 26, 2011 | 06:18 PM
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latemodel21
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Joined: Apr 2011
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From: Gilroy, California
Default Re: Stacked pulleys - 23psi with no codes. :)
my math suggests that a 69 mm pulley should add 2.5 psi

and a 70 mm should add 2 psi (to a motor running a 181 crank pulley)


(20 + 14.7) x 74/69 - 14.7 = 22.5

(20 + 14.7) x 74/70 -14.7 = 22

Chris
 
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