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05-07-2010, 09:40 AM
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#30 |
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Member
Join Date: Dec 2009
Posts: 169
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Re: Rocker Arms
I reserve the right to be wrong, but I believe the Nascar teams have experimented with larger ratio rocker arms in order to reduce the amount of spring pressure on a given lift/duration. Less spring pressure should equate to less parasitic hp loss within the valve train.
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