Which Prop?

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wht07se

Seaman Apprentice
Joined
Jul 22, 2009
Messages
34
I am looking a getting a new AL prop and not sure which one to get, i have read some good things about the Michigan match and the omc al props. I now have a 13x19 sst on my 1720 key west cc and its way to much prop, only turning 4600 wot. I am looking to get 15 pitch prop to help with rpms. But with the weight diff of the props from ss to al would that alone be enough to pic up a few r's? Motor is a 94 88 spl.
 
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steelespike

Supreme Mariner
Joined
Apr 26, 2002
Messages
19,069
Re: Which Prop?

Your boat is about 1200lbs;the 19 is very likely too much prop.
It would appear that a 15" would put you in the area you need; unfortunately when changing material results are difficult to predict.
The Solas Amita 3 also seems to do well for the money.
Before a prop change check your setup.The antivent plate(just above the prop)
should be visable on plane. be sure the throttle opens all the way.
 
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wht07se

Seaman Apprentice
Joined
Jul 22, 2009
Messages
34
Re: Which Prop?

thanks for the input, and my setup has already been adjusted bc that is something that dosent cost money to change. As far as the prop goes are you saying that the amita 3 is better then the match and omc?
 
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wht07se

Seaman Apprentice
Joined
Jul 22, 2009
Messages
34
Re: Which Prop?

Ok, lets put it this way, i know im a noob so maybe i should have asked, for my boat, listed in my sig, what al 15p prop would you buy if it was going on your boat.
 
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wht07se

Seaman Apprentice
Joined
Jul 22, 2009
Messages
34
Re: Which Prop?

wht07se said:
bump^^^^^^
Click to expand...
An update, i had a 13x19 sst prop, and i just switched to a hustler 13.75x15 prop and my rpms went up to 5500 to 5600 depending on how i trim. My hole shot is night and day different but i did lose some top end. Only runing around 36 now as to the 40-41 i was with the 19p. But more worried about the rpms then top speed. Thanks for all the comments and suggestions. Have yet another issue that am working on now. Guess its in the igntion system, but i am getting good spark. My idle rpms are surging from about 750 in gear to 1000 or so. Not sure but i think maybe need to start with the coil packs.
 
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