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| Prop size? https://www.smwebhead.com/phpBB3/viewtopic.php?f=6&t=6008 |
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| Author: | DeadRight [ Sun Jun 27, 2010 4:26 pm ] |
| Post subject: | Prop size? |
Can anyone tell me what is the proper or best size of prop to use? I am a new boat owner and own a 1994 258 Vista with the 7.4 King Cobra. It seems a bit slugish out the gate and I was told to keep it between 2500 to 3000 RPMs when cruising. She's used mainly to cruise and some tubing. Any help? I believe it has a 15 on it now and I don't actually know what that means or refers to. Thanks for the help. |
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| Author: | powellcrazy [ Sun Jun 27, 2010 7:46 pm ] |
| Post subject: | Re: Prop size? |
If you really have a 15 pitch prop, you could try to find a 13. I would bet that 13 pitch are going to be hard to find, so that means you need to have the drive re-geared. What elevation are you boating at? What gearing does drive currently have? Our '95 245 sundowner with 7.4L king cobra, I had a 17 and 19 pitch props that I used, drive was geared 1:1.95 (high alt gearing) We boated anywhere from 4000' to 7000' |
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| Author: | DeadRight [ Sun Jun 27, 2010 7:54 pm ] |
| Post subject: | Re: Prop size? |
I have no idea what the gearing is but the boat is only and always used at Lake Powell. I have two other props in the boat and I know one of them had a 17 on it and am not sure what the other was. It doesn't look like it is very hard to change out the props.? |
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