A few questions about pullies and balancers.
11-17-2004 | 07:42 PM
#1
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Joined: Jan 2001
Posts: 386
From: Watertown,CT.USA
A few questions about pullies and balancers.
Right now it looks like a have around a 3.5 blower and a 7.75 crank pulley making 8#. I would like to go to 12# so do I have to get a new crank pulley as well as the blower pulley? Does any one know what size pullies those would be by chance. I tried looking on the procharger site but couldn't find any products other than kits. Also is anyone running a different balancer other than stock? Is there any modification as far as drilling any holes to attach the blower crank pulley? Thanks for any replies.....John
11-18-2004 | 05:52 AM
#2
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Joined: Apr 1999
Posts: 2,784
From: Rochester Hills, MI
Re: A few questions about pullies and balancers.
Originally Posted by BMAN'S SCZ
Right now it looks like a have around a 3.5 blower and a 7.75 crank pulley making 8#. I would like to go to 12# so do I have to get a new crank pulley as well as the blower pulley? Does any one know what size pullies those would be by chance. I tried looking on the procharger site but couldn't find any products other than kits. Also is anyone running a different balancer other than stock? Is there any modification as far as drilling any holes to attach the blower crank pulley? Thanks for any replies.....John
You will only need to change out the blower pulley. Are you running a P1SC or P600b? ATI will tell you what size pulley you need to get 12lbs. Remember on a built motor you will not see 12 lbs of boost. Also what kind of engine rpm will you be turning?
PS: Your crank pulley should be 7.65 inches.
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