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I was wondering how much and improvement you would realize if the stock stamped steel rocker arms were replaced with aluminum roller rocker arms. The same 1.7 ratio would be used. Also would anyother parts have to be upgraded. Thanks Don:confused:
 

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Great question. I wondered myself. I wasn't too impressed when I swapped valve covers, but then again it runs like a beast.

That and a new cam are my future upgrades.
 
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