top speed and rpms
 

guys in need of a little info here. i have the 18' shabah with the 3.0 and was trying to get a little info on the best prop u have found for this paticular boat and what kind of top speed youre getting out of it and what rpm range is best.

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Re: top speed and rpms
 

by the way its a 2000 model

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Re: top speed and rpms
 

Welcome to MOC jknotts!

If you'll look HERE there is a ton of info on props , WOT , & top speeds.
Also if you do a search , there is a ton more.
There is a few members who have your setup. "Andy b" is one that comes to mind right off the bat.
According to the 2000 Mariah brochure , your Shabah with the 3.0l will run 40-46 mph. But.........that is in optimal conditions with not more than half a tank of fuel and maybe 2 people on board.
Usually , the 19p 3blade aluminum prop is what was used for their testing if I remember right.:)

Re: top speed and rpms
 

k thanks for the info. i have a 14.5x19 on mine but think its older and slightly bent so therefor its flexing a bit causeing me to lose on top and bottom end. its having trouble pulling out of the water and doesnt run but about 32-35 on top with just me and cooler in boat. im looming at the smart tabs everyone else is talking about to just trying to get some opinions thanks

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Re: top speed and rpms
 

They are the only way to come out of the hole quick.:wink_thumbup:
Been using them for years.

Re: top speed and rpms
 

What is your WOT at that speed?

Re: top speed and rpms
 

dont mean to sound stupid but ive been tryin to figure out what wot means lol

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Re: top speed and rpms
 

i also have access to a 4.3 with everything i need to swap it over for $500 but ive reaf in different forums that its not worth the time swapping it over for the little gain i would get cant really get a clear answer on this ? either lol

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Re: top speed and rpms
 

I've got the 180 Diablo with a 4.3L Volvo Larry ;)
Do keep up :rolling_laugh:

top speed and rpms
 

WOT-wide open throttle.