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Discussion Starter · #1 ·
-Single turbo supra

Is my manifold supposed to have something plugging these two holes or something connected to them?

I've seen pictures of others single supras and something is usually connected to them


 

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Medium Ballin'
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3,021 Posts
At one point there was a vacuum line that ran from that nipple (left "hole") into a hard line that bolted to the second "hole". This line then ran to one fo the hard lines across the firewall and over to the hard vacuum lines that usually run over the stock twins if I remember correctly.

So, no, it doesn't have to be used. Just make sure you don't have any vacuum leaks anywhere.
 

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Discussion Starter · #3 ·
yeah i have those 2 hholes open on the manifold plus a really big one on the back end. if you put your hand over it and block it. The engine will die.
 

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Supra Owner Since 1996
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2,715 Posts
They are just bolt holes that hold the line that runs from your TB to your charcoal canistor I do believe. Do you still have your canistor?
 
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