Technical > Matt Shaff's Engine Shop
max rpm's 6300 ???
Paul New:
Most hydraulic cams are only good for 6500 RPM's. Your old combo may have hit 7000 RPM's but it was on dirt and most likely spinning the tires and probably not producing any power above 6000
captmullette:
I think you've nailed it.....1.6 rockers any help.....???
hotrod316:
we run our valves as if they where on a solid cam
set at 0 with 120 lbs closed 300 lbs open springs
Paul New:
1.6 rockers probably won't change anything
wideopen231:
agree springs first thing to check. Also 1.6 rockers will only add some lift and minor amount of duration will not do a thing for rpm issue.
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