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Low rpm level

tolan

New member
"Running at 7800 feet in Color

"Running at 7800 feet in Colorado and boat lost too
much rpm and top end speed from sea level running around 10000 at top end.purchased new prop . local shop told me he cant jet my older engine. any help, thanks mike"
 
"What sort of help?
Jets or n


"What sort of help?
Jets or no jets, there is no way to compensate for the reduction in air density short of putting on a blower.

AT 7800 ft ASl and 80 F you have about 72% of rated sea level power; and that is the sad truth.

Rod"
 
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