Thread: Best S/C pulley.
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Old Sep 16, 2009 | 01:14 AM
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tighed1
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Joined: Aug 2008
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From: Sierra Vista, Arizona
Default Re: Best S/C pulley.
Originally Posted by Holycrap
So crank pulley yields more power thatn the s/c pulley?Also, Is it true you shouldnt run both? Sorry for the noob questions!


I have been running the 181 and the code 3 for a while now. Running stacked (dual pulleys) has been frowned on mostly. The main reason I was given was because of A/F ratio concerns. My stacked car AFR at the top of third gear is about 11.2 or so. Most expected that I would be running way lean. Another concern is that you are really spinning the heck out of the pulleys and the SC. I ran at speeds well over 100mph for an extend period and my SC seized up. A result of over spinning?
My other car I'm running a custom made 192 pulley. Don't know the AFR on it yet as I have not installed the gauge yet. But the black tail pipes give me some assurance that I'm not running too lean (I hope).
 
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