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Old Apr 20, 2014 | 01:21 PM
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Default Rocker ?

What is the limit of stock rockers that are upgraded with CHE or Comp truinions lift and rpm wise? Will a .640 lift cam spinning to around 7k rpm using Tooley platium springs last on a set of Mast 305 heads and will they cause havoc on the bronze guides?
Is it worth doing the Che upgrade or the Comp truinion good?
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Old Apr 20, 2014 | 08:42 PM
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Old Apr 21, 2014 | 12:29 AM
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The trunions or the comp shouldn't have any effect on the rocker. The nose weight and weight of the moving parts is what effects rpm/etc.
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Old Apr 21, 2014 | 08:09 AM
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The trunion is just a precaution to keep the stock cage bearing from falling apart but according to Richard @WCCH they do offer more stability. I do know the shfat rockers are heavier than the stocker's but they are supposed to keep the valve train very stable and that is good for the guides. I'm not opposed to either route just want to spend money where need be!
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