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smokediver
11-13-2013, 01:35 PM
does anyone know how many rpm's a hump top king cobra can safely and reliably spin ? Is 5200-5400 too much ? thanks in advance:yes:

MOP
11-13-2013, 01:55 PM
IMO it can spin that safely, but you may find better results as to speed at a little lower RPM. Boats depend on torque, getting it propped so in is running in its best torque band is a better route than spinning it above it.

smokediver
11-14-2013, 01:16 AM
Thanks Phil. Good advice

roadtrip se
11-15-2013, 10:36 AM
Dr. Dan runs his up to 5350 behind the 500EFI. And with the last rebuild, that engine is even less stock than ever. You're golden..

smokediver
11-16-2013, 08:41 PM
Dr. Dan runs his up to 5350 behind the 500EFI. And with the last rebuild, that engine is even less stock than ever. You're golden..

good news !!:D:D