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Engine Height and Prop for 1991 16SL
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| jimmyrinaldi |
Posted on 10/16/11 - 11:05 AM
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What do you mean by a bit more porpoising ?
With my engine all the way down and 60lb tabs I have none at all.
I was toying with the idea of going with 40lbs tabs due to my decreased speed but maybe I should raise the engine up first...
Edited by jimmyrinaldi on 10/16/11 - 6:15 PM |
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| jimmyrinaldi |
Posted on 04/29/12 - 8:56 AM
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Posts: 212
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Well I made the switch to the 40lb actuators on my Smart Tabs and I get an even faster leveling out and still no bounce... 60lbs is too much on the 16SL...
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| thegage |
Posted on 04/29/12 - 3:22 PM
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I've moved the pin to the weakest position on my 40 lb. actuators but haven't had a chance to get out on the water yet. I decided to rebuild my carbs this spring and found that both float bowls (plastic) were warped due to the ethanol now being used. Replacement bowls are easy to find, but they need new intermediate jets to fit the new bowls, which seems to take a long time to get from BRP.
John K.
John Kittredge
1991 16 SL - 2013 E-TEC 90 |
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| thegage |
Posted on 05/21/12 - 5:18 PM
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Finally got the carbs back together and she runs like a dream. I moved the engine all the way up, now I just have to get an afternoon to test it.
John K.
John Kittredge
1991 16 SL - 2013 E-TEC 90 |
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| thegage |
Posted on 06/21/13 - 6:06 AM
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Update (I see more than a year later!): This Spring I took advantage of Evinrude promotions and got an E-TEC 90 for a very good price. After a bit of testing I've got the engine all the way up, and replaced the Stiletto went with a Rogue 13-1/4 x 15 prop. Both the Stiletto and the Rogue top out at around 5200 rpm, and the Stiletto gives maybe 1-2 mph better top end speed, but with the stern lifting qualities of the Rogue I can remove the Smart Tabs and still get on plane just as fast and eliminate porpoising. Since the boat is used for fishing and tubing/skiing, top end speed isn't a primary goal. As often noted here, get height and prop right before considering other band-aids.
John K.
John Kittredge
1991 16 SL - 2013 E-TEC 90 |
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| Tom W Clark |
Posted on 06/21/13 - 6:08 AM
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For stern lift, I recommend the Stiletto Star over the Advantage. The Star is made in a 15" pitch model.
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| thegage |
Posted on 06/21/13 - 7:09 AM
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Tom, if the Rogue is working fine, what would be the reason to swap for a Star II?
John K.
John Kittredge
1991 16 SL - 2013 E-TEC 90 |
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| Jon Besemer |
Posted on 06/21/13 - 10:09 AM
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thegage,
Thanks for posting the update. I also put a E-TEC 90 on my SL and was planning on raising the engine to the top hole this weekend. I'm running a 4 blade 12.8 x 17 Comp prop and getting 5200 rpm in the bottom hole. Going to raise it and try the 12.7 x 19 Comp prop before buying a stainless. I run the 4 blade props for the stern lifting qualities also. It will be interesting to see Tom's comments.
Jon B.
Edited by Jon Besemer on 06/21/13 - 10:30 AM |
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| thegage |
Posted on 06/21/13 - 12:36 PM
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I was a bit leery of going all the way up on the transom with the E-TEC, since my old '92 Johnson V-4 definitely didn't like being that high up, even with the Stiletto. But no issues with the E-TEC. Even trimmed out I'm not having any issues in tight turns.
John K.
John Kittredge
1991 16 SL - 2013 E-TEC 90 |
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