Blower Motor Heads

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09-08-2024, 01:57 PM

#31

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Quote:

Originally Posted by BadDog

When I built my B&M 250 motor my machinist angled the exhaust valves differently. Not exactly sure what he did but I believe it was more surface area of the valve in contact with the head to transfer heat away from the valve.

He likely increased the exhaust valve seat contact width.

Promotes exh valve cooling from additional surface area hear transfer.

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