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Lowest CTSC Pulley?

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Old 08-31-2009, 09:39 AM
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Default Lowest CTSC Pulley?
what is the diameter/boost outage of the lowest boost pulley for the comptech/cte sc? more importantly, where can i get one? thanks.
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Old 08-31-2009, 09:49 AM
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4.4" 5.5psi average with AC, 6psi without AC

This is with Ap1, psi is reletive to the rpm limit, so Ap2 would lose 1psi with 1000rpm reduction at same pulley size. Their stock Comptech kit comes with a 4.2" pulley to maintain the same 5.5psi.

Contact CT engineering or Science of Speed.com for the 4.4" ap1 pulley you want.
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Old 08-31-2009, 09:56 AM
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http://www.scienceofspeed.com/products/eng...000_SC_pulleys/

3.0" is the smallest. You will need larger injectors and some form of engine management at a minimum.
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Old 08-31-2009, 10:01 AM
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i ran a 3.0 pulley on my CTSC setup and made around 14psi.
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Old 08-31-2009, 10:54 AM
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how much power did you make at 14psi?
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Old 08-31-2009, 11:01 AM
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Funny how quickly the OP questions/topic morphes into something else sometimes.

i'll continue the trend

Anyone run the 2.75" pulley? and if so how much boost did you make at 9k rpm?

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Old 08-31-2009, 11:22 AM
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lol...Junky, just run it off the crank shaft alone...I believe it's about an inch thick. OP, you have PM.
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Old 08-31-2009, 12:11 PM
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Old 08-31-2009, 01:50 PM
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that's hilarious; lol.
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Old 08-31-2009, 02:02 PM
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ok now I really want to know. I've asked this in 2 other threads with no replies. Who made this so called 2.75in pulley? What does it net for boost?
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