Working on new gaskets and turbo and found this in between the turbo and exhaust manifold. My poor Volvo has been trying to breath through this the whole time! And oh shnit I forgot to put it back in! Lol
Volvo d12 restrictor plate?
Discussion in 'Volvo Forum' started by Volvo8873, Feb 18, 2017.
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Bean Jr. Thanks this. -
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Omg is that right?
Looks like someone change that at some point and put the wrong turbo manifold gasket in it.. yikes that is the size of something that should be on a car -
Ya, this is meant to back flow the exhaust gases thru the EGR. I will put it back on... someday
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Here is a Volvo D13. It is built right into the gasket.
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You know that plate in my hand the ports for that are half the size of the turbo and exhaust manifold. Crazy!
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Wooooowwww looks like a easy mod to increase flow and probably increase MPG !!
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I already test this before but no difference, but less Egr flow, the purpose of the restrictor gasket is to increase the exhaust manifold pressure to be able to push the egr gas over the boost pressure in the intake manifold.
Ben -
KB3MMX Thanks this.
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I left the plate and gained a lot more turbo spool and top end power. I also have a certain three letter word that is closed too so this helped tremendously.
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