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SeaVee boats question

Old 09-02-2018, 12:08 PM
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Default SeaVee boats question

Looking at building a SeaVee, either a 320 or 340. What do you think about these boats? Is a 340 powered by twins under powered or is the performance reasonable? What do you think about stepped hull vs non-stepped? Any advice on picking between these models and must-have options would be appreciated! Btw, Iím planning to use the boat in NE Florida for king mackerel and Bluewater fishing primarily, with a fair amount of family cruising/sandbar and some diving too.
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Old 09-02-2018, 02:18 PM
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I donít think there is much difference between the stepped and non but I would definitely get the stepped hull for resale alone. Last time I checked they were hardly making any non stepped versions. Personally I would get the 34 with triples but thatís just me. I think the 34 would run well with the new verado 300s or Yamaha 300s. With the engine choices now for the 32 I would get Yamaha F350s or Verado V400s/V350s. Between the two the Verado would have better resale but I believe the Yamaha F350s might be more fun to run and be a little quicker.

If I was personally getting the boat for myself I think I would get the new 322z model with Verado V400s. After owning a boat with triples Iím a twin man.
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Old 09-02-2018, 02:50 PM
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Even a 34 with twin 300s or 350 is not underpowered. It will probably run 30-32 knots at cruise. I've been on a venture 34 with twin 300s and it did about that in 2-3's seas and is probably a heavier/wider boat. My Intrepid 32 with 300s will run 36 knots cruise and 48 kts WOT. I rarely care to run that fast in the ocean anyways. Just some data points for you.
Prop twins right and enjoy - nothing wrong with trips but they really are not needed unless you want to cruise in the upper 30 to low 40 knots.
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Old 09-02-2018, 05:42 PM
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I had the 340 non stepped with twin 350 Yamaha’s. The boat ran well. The only times I wished I had triples was when I was very heavily loaded heading to the Bahamas.
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Old 09-03-2018, 04:02 AM
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340Z with twin 350 Verados


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Old 09-03-2018, 04:07 AM
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It is my understanding that hulls with steps really only gain efficiency over 40mph.
How much of the time is really spent at over 40mph? I mean, really truly.
Maybe in certain areas of boating and size of boats, but a 32-34 boat riding around in the ocean?
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Old 09-03-2018, 09:55 AM
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I currently own a 340 with twin 300's and I do not feel under-powered at all. Here is a video from a couple weeks ago running very light.

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Old 09-03-2018, 09:59 AM
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Perfect! Thanks for the info guys!
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Old 09-03-2018, 10:11 AM
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34 with twin 400r's would be my choice. I think it would have good preformance while keeping a cleaner transom, along with one less motor to change filters and oil on.
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Old 09-04-2018, 09:41 AM
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Originally Posted by cayman_fisher View Post
I currently own a 340 with twin 300's and I do not feel under-powered at all. Here is a video from a couple weeks ago running very light.

https://youtu.be/dOVPeKnSgFI
what is your top end speed when normally loaded to fish?
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Old 09-04-2018, 02:11 PM
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Originally Posted by FishFried View Post
Looking at building a SeaVee, either a 320 or 340. What do you think about these boats? Is a 340 powered by twins under powered or is the performance reasonable? What do you think about stepped hull vs non-stepped? Any advice on picking between these models and must-have options would be appreciated! Btw, Iím planning to use the boat in NE Florida for king mackerel and Bluewater fishing primarily, with a fair amount of family cruising/sandbar and some diving too.

I have a 2018 with trip merc 350's... Running back from Bimini with 6 people on board and still a ton of ice and bags. we ran 50 at 1.2 mpg which is pretty decent in my opinion. Might be selling mine also.. Does have front seats and fully loaded...
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Old 09-04-2018, 02:46 PM
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34 with twin merc350 or Suzuki 350's would be nice for sure . As would the 32 with 300 Merc v8's
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Old 09-04-2018, 03:47 PM
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You can cruise at 45 in a 340 wif350's If your building one ask about Suzuki 350's. Slightly better economy with no loss of performance. I fished with gattafish on his. Hopefully he chimes in. Loaded like 530gallons of fuel 400# of lead 400 of ice 25 talicas and tiagras 4 guys and still run over 40 with ease.
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Old 09-05-2018, 06:31 AM
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Originally Posted by ubettcha13 View Post
You can cruise at 45 in a 340 wif350's If your building one ask about Suzuki 350's. Slightly better economy with no loss of performance. I fished with gattafish on his. Hopefully he chimes in. Loaded like 530gallons of fuel 400# of lead 400 of ice 25 talicas and tiagras 4 guys and still run over 40 with ease.
Is that with triple or twin 350ís?
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Old 09-11-2018, 05:59 PM
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I checked out both the 322z and the 340z at the Tampa boat show. Awesome looking boats. I love the layout of the 322z, but it has less deadrise at the transom...22.5. How do you think that will effect the ride?

Im going to try to sea trial both. Hopefully Iíll get a sloppy day to see how they both perform
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Old 09-11-2018, 06:06 PM
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You gotta believe that a new 340z with the corner live wells is on the way next.
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Old 09-11-2018, 06:07 PM
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322z looks sweeeeeet!
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Old 09-11-2018, 06:38 PM
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Originally Posted by MajSchaefer View Post
You gotta believe that a new 340z with the corner live wells is on the way next.
thatís what Iím thinking too. Who knows when that will be introduced though
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Old 03-15-2019, 02:54 PM
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Originally Posted by MajSchaefer View Post
You gotta believe that a new 340z with the corner live wells is on the way next.
I have 2004 340B went from twin 250 suzuki brand new to 275 verados which it ran great with and am waiting to get the boat back with twin 350's. When they put corner live wells in the 340z i will be looking to upgrade. That boat will have all the pros of the 370 but run great with twins
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Old 03-15-2019, 03:42 PM
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go with the 34 with the new merc 400s with 6 year warranty
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