C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

2 questions concerning the EGR vacuum port at the front thermostat housing.

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Old 06-13-2018, 03:15 PM
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HAD2HAV2
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Default 2 questions concerning the EGR vacuum port at the front thermostat housing.



What vacuum line goes here? All my vacuum lines are connected but this one. I did a complete intake/head removal back in 2012. I found this empty port while working on the fuel rail today.<br/><br/><br/>

I would like to replace the hard plastic vacuum line that runs from the EGR to the EGR switch at the thermostat.





I measured ¼ inch vacuum line at the EGR. Will the ¼ inch fit the EGR switch?



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