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Old 03-09-2013, 01:55 PM   #95
Skylane765's Avatar
Drives: ZL1-1LE, Z/28
Join Date: May 2012
Location: San Diego
Posts: 3,259
Originally Posted by tmandoug1 View Post
Would it be possible to see a zl1 throttle body that does not have a can installed to see the difference? Just curious to see the with and without.
The PVC line goes AFTER the TB only the clean air in to the engine is before it.

You will not see anything unless you have excess blowby the PVC could not take into the front of the SC.

It is the blades we want to keep oil off of and the intake runners, plus keep the octane up.

The black hard line going from both valve covers and then to the bottom of the elbow is to supply air TO the engine, then the dirty air goes out of the top of the Valley cover to CC then to a low pressure inlet of the snout of the SC after the TB. Even under boost the in put of the SC is in a low pressure area.
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