Max safe RPM?

#1
Wondering if anybody has experience on what the actual maximum RPM for a 2008 Briggs 1450(11hp, 305cc) is. The manual says 3600, but that's the middle slot on the governor(from my calculations the highest governor setting is turning about 4700 RPM), so I can only assume that's the maximum recommended for continuous running.

The 6.5 clone the warrior used to have was turning 5700 RPM all summer and didn't run into any issues, but this is a totally different motor.
 
#2
If youve got a billet rod and flywheel, turn it as fast as you can make it turn. If your asking about the highest revs for a stock engine, i wouldnt go higher then the highest governor setting.
 
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