Deshrouding intake valves

You can not realistically unshroud the bore, you can unshroud the chamber. Only (some) big blocks have a notch on the top of the cyl. bore to unshroud the valve.

Anything to increase flow is always worthwhile.
 
You can not realistically unshroud the bore, you can unshroud the chamber. Only (some) big blocks have a notch on the top of the cyl. bore to unshroud the valve.

Anything to increase flow is always worthwhile.

Sorry my mistake : unshroud the chamber to the diameter of the bores. I use a 4.165" bore, so I have some room there.
 

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