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Spare inlet on DBC TB

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Old 03-09-2020, 01:07 PM
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Default Spare inlet on DBC TB

Hey all cross posting this from the newbie thread since I never got an answer there.
Intake manifold is off a 2004 Envoy XL that originally had a drive by wire throttle body. My swap requires a drive by cable setup.
I now have these two inlet ports that I think were intended for the PCV tubes coming off the valve covers?
Is that what these are intended for? if so should I use one for the passenger side and the other for the driver's side?

https://ls1tech.com/forums/new-ls1-o...ttle-body.html

Thank you!
Old 03-09-2020, 02:32 PM
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block one of them off.
Old 03-09-2020, 09:03 PM
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Those are both for the "clean side" (supply side) of the PCV system. Use either one and block the other off.



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