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Discussion Starter #1
Hey Guys,
Might be a stupid question. I have my intake ready to go back and noticed in the middle of the Dooe-r heads intake side is a square opening. The gaskets I have which are felpro 1231 do not make provision for the square doesn’t cover it up all the way. My question is the square opening water jacket .
 

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No it is a heat supply for the intake. Most gasket kits come with little metal squares to block of these heat passages.
Don't need the passages unless you live in a really cold area and drive your car in the cold.
Greg
 

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The PI and CJ heads have a small rectangular opening above the cross over.

Dead end. Crap collects there so blow it out well.


SJ
used 2b RHP


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Discussion Starter #4
No it is a heat supply for the intake. Most gasket kits come with little metal squares to block of these heat passages.
Don't need the passages unless you live in a really cold area and drive your car in the cold.
Greg
Thanks Greg
 
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