best intake for gn1 aluminum heads

ttribejr

Member
Joined
Dec 1, 2015
Anybody know one that ports match up pretty well to (currently unported) GN1 aluminum heads? Looking at ported stock vs GN1 etc.
 
The champion manifold has bigger ports. Felpro 1200 size.

The unported heads are matched to a stock size gasket.
 
Stock ported intake has gone 8s..

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FYI they say they port match them to the Fel-Pro 1200 but if you actually line them up against the gasket you will see that there is still a lot of meat left . Also out the box unported aluminum heads flow as well as some ported iorns so imo you should at least go through them and clean them up to make it even worth wild to be runing aluminum heads. Also as for the intake u have 3 options. 1 stock , 2 champion, full custom intake.
 
port match your stock one, with egr delete and weld it up will work just fine
 
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