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techtalk:ih:engmech04a [2019/06/14 19:14]
hippysmack [Pros and Cons of Functionality]
techtalk:ih:engmech04a [2019/06/14 19:23]
hippysmack [Pros and Cons of Functionality]
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 Your pushrods are doing the same thing 29 times a second at 3500 rpm. \\ Your pushrods are doing the same thing 29 times a second at 3500 rpm. \\
 The last thing we want is to make things less rigid. \\ The last thing we want is to make things less rigid. \\
 +
 +The pushrods have enough trouble with harmonics without adding another place for the valve train to flex. ((mrmom9r of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1682099&​highlight=splitting+rocker+box)) \\
 +I've seen flex as high as .025" just rolling an engine with big valve springs over on the bench. \\
 +If we lose up to .025" or more due to box flex, that is that much less that the valve is opening. ((Monte03 of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1682099&​highlight=splitting+rocker+box&​page=2)) \\
 +So much for your hi lift cam. \\
  
 Even on dead stock valve train the naked eye can actually see the pushrod end of split boxes flex when pushing the kicker thru. ((DR DICK of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1719533&​highlight=splitting+rocker+box&​page=2)) \\ Even on dead stock valve train the naked eye can actually see the pushrod end of split boxes flex when pushing the kicker thru. ((DR DICK of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1719533&​highlight=splitting+rocker+box&​page=2)) \\