Thread: What limits the RPM on a YB engine?
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Old Jul 25, 2008 | 05:45 PM
  #10  
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K-NINE
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1) Std rod bolts an issue past 7800rpm
2) Hydraulic lifters as above
3) Con rods? no issue upto 8200rpm imo
4) Valve construction? no issue i can see? (but you must use new exhaust valves)
5) oil pump? no issue really i'd think.
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