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Reply to "4V CC head porting with pressed bronze valve guides."

When I talk about shrouding I mean wizard shrouding at high lift when somehow the squish of the head is on the path of the air I'll post things I've sketched on paper to explain later in the day.



There are also some mysterys for me with the cylinder notches/gasket shape/head I want to talk about.

For the booster ring, sorry I made a mismatch with the carburetor linguage, I think when you talk about throat diameter that we speak about the same thing

@ Doug I am quite scared about what you said, you mean I cut too muche the iron guide ? (I had too to eliminated this f** cracks so for sure I went to the port radius to be sure crack wont continue) for the bronze guide, it is absolutely untouched.

I don't want to do acamdemic exercices I am just with head on the table and want to do right things at once, there's on shoot I won't reopen the car twice and after guides will be pressed and seat cut so no right to touche again, and I like to understand what I do Smiler
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