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07-10-2011, 06:52 PM
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TPI throttle body vacuum hookup
I have a SBC with Holley Stealth Ram TPI system and I don't believe previous owner has vacuum lines hooked up correctly for PCV. Does anyone know where I can find instructions indicating which ports on the throttle body go where? The PCV is currently connected to a port with no vacuum at idle. There's another port below that one which has a lot of vaccum at idle, but I'm not sure if it would be too much for the PCV. Any help would be appreciated.
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07-10-2011, 11:02 PM
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On the stock tpi the pcv went from driver side valve cover to a port between the runners in that side and the top port on the tb was the "breather" connected to the pass side valve cover.
On my super ram setup I use the bottom port on the pass side of the tb to pcv and top port as the breather on the other valve cover
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07-10-2011, 11:03 PM
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Pcv should have full time vaccum.
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07-11-2011, 12:33 PM
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Check out this site.
http://chevythunder.com/ Quote:
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