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HawgRyder HawgRyder is offline
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Location: Langley, BC Canada
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Lightening the arms will not give the same effect as the rest of the valve train.
Think of them as pivoting on the pin, and measure the distance from the center of the pin to the far end on each side.
The amount of metal actually moving is quite small.
You would get a better affect by removing the same amount of metal from the valve itself, because it moves further and has a larger push therefore on the valve spring.
Hollow valves or superlight ones will increase the valve float speed.
All this may be a moot point because you will be exceeding the piston speed allowed for the type and material used in the pistons themselves.
You will also need to address the oiling for all the bearings in the engine, because at higher speeds, the bearings will shed more pressure.
If you still want to explore these options....look at the latest technology in formula one and other high speed, long duration engines.
Good luck.
Bob
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Bob Hutson
Old 09-05-2005, 01:56 PM
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