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roller rocker question?????

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Old Sep 29, 2002 | 08:27 PM
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Default roller rocker question?????

i have a cam that is 477-480 lift and it has 1.5's.If i change these to 1.6 what lift would i have and would this give any more performance ???
thanks jay :confused:
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Old Sep 29, 2002 | 10:30 PM
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Default Re: roller rocker question????? (jparr)

.477"/1.5= .318" .318"*1.6=.509"

It probably would add some power, assuming your manifold/heads have some "breathing room" and aren't currentlly maxxed out (with .477 lift, I guess they're not maxxed out)
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Old Sep 29, 2002 | 10:50 PM
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Default

Another HUGE advantage to the 1.6 rockers not the added gross lift, but the fact that the valves will be opened and closed faster. This means that they will be open more longer too allow more total air intake and exhaust to occur.
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