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Oncebitten99'

Green & Mean
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Mar 15, 2007
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194
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Monroe La
I was reading a little bit more about the kenne bell kit that i am going to buy and i saw on the website that it said do not use underdrive pulleys. Could any of you give me some more information. I have underdrive pulleys that the previous owner installed and i do not have the stock ones. Do i need to change to the stock pulleys and if so where can i buy some?:shrug:
 

jbp99cobra

Fly fat ass, fly!!!
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Dec 1, 2004
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2,036
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Raleigh, NC
Yes, you do need to change them out. I grabbed some that were sitting around a shop & they hooked me up for free. Otherwise, you can simply get them from Ford.
 

Quadcammer

4cams aren't better then1
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Nov 21, 2002
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11,540
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jersey
yes, underdrive pullies will turn the blower much slower, giving you about 3 psi on a KB
 

Oncebitten99'

Green & Mean
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Mar 15, 2007
Messages
194
Location
Monroe La
what about the harmonic balancer? he put a different on of those on is that the same thing as the crank pulley? pardon my ignorance
 

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