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Original Message
RE: hydraulic roller cams in 428
By Bob Sprowl - 01/18/2003 6:17:45 PM; IP 65.80.203.91
Are you missing something obvious? Yes and no. The heavier lifters need strong springs. But the springs necessary to reach high RPMs cause the lifters to collapse before you get to those RPMS.

So what is needed is a rev kit that pushes on the lifter body and NOT the hydraulic plunger. But no one makes this.

So you can't get there from here.

And all of this just came to me as I wanted to use one. I have been trying figure out why people have reported hydraulic lifter problems with these cams and why they fail to rev very high. These cams do make great power but I have not heard ot any that rev over 5500. (And few that get much over 5000.)
This thread, so far...
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Collapse <a href=../ForumFE/reply.aspx?ID=16043&Reply=16043><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor16043" onclick="return false;">hydraulic roller cams in 428</a>&nbsp;-- <font color=#0000ff>Geoff McNew, <i>01/18/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=16043', contentMargin: 60, icon: $('anchor16043') }); </script>  hydraulic roller cams in 428 -- Geoff McNew, 01/18/2003
Collapse <b>RE: hydraulic roller cams in 428</b>&nbsp;-- <font color=#0000ff>Bob Sprowl, <i>01/18/2003</i></font>RE: hydraulic roller cams in 428 -- Bob Sprowl, 01/18/2003
Collapse <a href=../ForumFE/reply.aspx?ID=16048&Reply=16043><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor16048" onclick="return false;">RE: hydraulic roller cams in 428</a>&nbsp;-- <font color=#0000ff>Geoff McNew, <i>01/19/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=16048', contentMargin: 60, icon: $('anchor16048') }); </script>  RE: hydraulic roller cams in 428 -- Geoff McNew, 01/19/2003
 RE: hydraulic roller cams in 428 -- Bob Sprowl, 01/19/2003
Collapse <a href=../ForumFE/reply.aspx?ID=16053&Reply=16043><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor16053" onclick="return false;">How to make it work.</a>&nbsp;-- <font color=#0000ff>Royce Peterson, <i>01/20/2003</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=16053', contentMargin: 60, icon: $('anchor16053') }); </script>  How to make it work. -- Royce Peterson, 01/20/2003
 O.K., decision -- Geoff McNew, 01/21/2003
 RE: How to make it work. -- Bob Sprowl, 01/23/2003
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