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K plane ?
If I already have 280 k planes can I purchase two 380 lowers and attach (swap out lowers for the longer ones with out changing other stuff). Probably a dumb question but wasn't sure if they would match up. They are the merc tabs on a 1995 boat.
Thanks |
Given the number of 280 plates only you see for sale in the swap section, I am betting you can.
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That brick doesn't need bigger tabs:lolhit: It needs bigger HP:evilb::evilb:
But yes, 380 plates and 280 plates are interchangeable. |
I have wondered about doing the same thing, what would be the main advantage someone would see on there boat going to the longer tabs?
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Originally Posted by johnny b good
(Post 3214138)
I have wondered about doing the same thing, what would be the main advantage someone would see on there boat going to the longer tabs?
With a longer tab it provides more leverage so you don't have to put them down so much for the same effect. This means the boat will run a little faster at the same trim. |
Originally Posted by Ted G
(Post 3214215)
With a longer tab it provides more leverage so you don't have to put them down so much for the same effect. This means the boat will run a little faster at the same trim.
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Just be careful with the longer tabs and don't get too aggressive with them while running.
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Originally Posted by Knot 4 Me
(Post 3214229)
Just be careful with the longer tabs and don't get too aggressive with them while running.
We ran a 21 Hustler back in the 80's that had 380's on it. And there was a big sticker by the control that said something to the effect of "Trim Tabs should not be fully deflected at high speeds as an undesirable submarining effect may occur." :eek::eek::drink::drink: |
I have swapped my 280 tabs the 380’s several years ago. All you have to do it swap the plates. It was a great improvement for me. Just watch out for the prop(s) hitting the tabs. I had to add limiters inside my hydraulic steering rams to prevent damage. I lost some low speed maneuverability around the dock, but the trade off is worth it if you run fast.
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Originally Posted by Ted G
(Post 3214235)
We ran a 21 Hustler back in the 80's that had 380's on it. And there was a big sticker by the control that said something to the effect of "Trim Tabs should not be fully deflected at high speeds as an undesirable submarining effect may occur." :eek::eek::drink::drink:
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I bought mine for my baja with the shortie and plan on using rgem on the saber.
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where have you guys just purchased the lowers from?
THanks Yes Griff, More HP would be good as well... |
Once in a while there is a set in the classifieds. There is a complete 380 setup for sale in the swap shop.
http://www.offshoreonly.com/forums/s...trim-tabs.html I am certain that your drives will hit the 380 plates when fully turned though and you really don't have any way to put in a stopper without hyd steering. |
I tried the 380 plates on my straight bottom 42 Fountain. They sucked. Way to sensitive to trim adjustments. I waited and thought I would get used to them after a full season but nope. Went back to the 280's. I think on a step bottom or even with horizontal mounting they work much better.
And yes they will hit. My drives are on IMCO boxes and I still had to trim them 2". |
Originally Posted by Back4More
(Post 3215506)
I tried the 380 plates on my straight bottom 42 Fountain. They sucked. Way to sensitive to trim adjustments. I waited and thought I would get used to them after a full season but nope. Went back to the 280's. I think on a step bottom or even with horizontal mounting they work much better.
And yes they will hit. My drives are on IMCO boxes and I still had to trim them a 2". |
Sorry...Long gone. They went on a 94 38 TopGun with #3's
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Josh, if you get rid of the 280's I may have a place for them.
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Originally Posted by redbud35
(Post 3215656)
Josh, if you get rid of the 280's I may have a place for them.
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Originally Posted by Griff
(Post 3215413)
Once in a while there is a set in the classifieds. There is a complete 380 setup for sale in the swap shop.
http://www.offshoreonly.com/forums/s...trim-tabs.html I am certain that your drives will hit the 380 plates when fully turned though and you really don't have any way to put in a stopper without hyd steering. |
With you current stock steering, you would have to cut off more of the plates than if you had hyd. steering.
The stock system allows the drives to turn a lot more than hyd. steering does. Probably 2-3 inches more. |
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