'95 Z28 Vacuum Check Valve Needed!
09-23-2018, 04:16 PM
#1
'95 Z28 Vacuum Check Valve Needed!
I have been looking all over for a check valve for this thing! I cant trust the internet too well because a few other places I got it from didnt fit the lines. Would I be able to run well without it?
It's the check valve on the drivers side of the engine closest to the intake, originally blue and white.
http://shbox.com/1/opti_vacuum_hose.jpg
It's the check valve on the drivers side of the engine closest to the intake, originally blue and white.
http://shbox.com/1/opti_vacuum_hose.jpg
Last edited by Michael Asher; 09-24-2018 at 03:21 AM. Reason: The check valve on the right
09-24-2018, 12:21 PM
#4
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Join Date: Jun 2003
Posts: 1,083
Re: '95 Z28 Vacuum Check Valve Needed!
For the Opti vent harness, You could pick one from a junkyard
Doorman makes some. IIRC this is the larger one closer to front of engine. On the same page they show others...maybe the Delco one would replace the smaller rear one
Doorman makes some. IIRC this is the larger one closer to front of engine. On the same page they show others...maybe the Delco one would replace the smaller rear one
09-24-2018, 01:45 PM
#5
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Join Date: Nov 1998
Location: Hell was full so they sent me to NJ
Posts: 70,647
Re: '95 Z28 Vacuum Check Valve Needed!
If you run without the vacuum check valve in the Opti vent line, you might run the risk of a backfire in the intake manifold pressurizing the Opti case.
Is yours physically damaged or does it simply not work when you blow through it?
Is yours physically damaged or does it simply not work when you blow through it?
09-25-2018, 02:12 PM
#7
Re: '95 Z28 Vacuum Check Valve Needed!
The one from the store doesnt fit the lines. I ordered one from doorman, itll be here tomorrow. Someone helping me work on the car broke the stem to it at the base.
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