Reply to "Cylinder Heads"

1Rocketship (Guest)

Hello Shah; Since you are wanting to keep your top rpm range relatively low "5,000", the Aussie 2V head is your friend, as it primarily is a case of port velocity.

The Aussie 2Vs will give you better low end throttle response & torque due to superior low RPM port velocity.

Think of it this way....you have 2 garden hoses both 50ft long. 1 garden hose is 1/4 inch ID ( inside diameter) the other garden hose is 1/2 inch ID.

You turn on the water in both hoses at the same time with the same water pressure supplying both hoses.

The 1/4 inch hose will fill faster & have more velocity coming out the end of the hose vs the 1/2 inch hose.

Now think of the water being a gasoline/air mixture following through small Aussie 2V head ports vs following through the LARGE Cleveland 4V ports...Mark

1/31/159:02 AM

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