Info needed on porting details for a stock Tuned Port Intake manifold

[Clint Sharp]

In message <33B7318C.2D13E7DB at garnet.acns.fsu.edu>, Thomas Wright
<tgw3448 at garnet.acns.fsu.edu> writes
>I have one small piece of advice, Gasket matching head is OK, but gasket
>matching the intake manifold is risky. 

>If you gasket match the head AND the intake manifold, there is no
>guarantee that they will match up perfectly when bolted together.  There
>will always be some play when mounting the manifold (and the gasket) on
>the head, and if there is even the smallest area where the incoming air
>hits an even slightly protruding edge of the manifold gasket or head,
>then all your porting work will be undone.
How about dowelling the manifold and head and then doing the flow work?
You are then guaranteed alignment unless you screw up the dowels
>  ALWAYS leave the intake
>manifold port slightly smaller in diameter than the head port.  Moving
>from a smaller port to a larger one won't disrupt the flow in any
>measurable sense, and in addition, the anti-reversion properties are
>more beneficial than a perfectly matched port (which is next to
>impossible to achieve anyhow.)

>Tom Wright

-- 
Clint Sharp