2023 Supra SA400 Build submitted

The 1.7 Trans is the best upgrade. 16x13.5 prop or use that as a spare and buy a 16x12 and you can run the 400 all day at 500ft.

Save the $5k for fuel and drinks.

Alright so I’m sold on changing to the SL and keeping the 400 instead of the 450. Seems like the consensus is at my elevation, with the 13.9 prop, I should be good. Thanks again for all the advice, really glad I found this forum.


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Originally Posted by HFarr

You can save some bucks on a 400 instead of the 450. I have a 24.5' Makai and 4700 lbs of water ballast with 10 or 12 people in the boat and Still surf easily with a 15.5x15 prop in Georgia. More power is always nice, but if you want to save several grand, you don't need it.

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I thought the 450 was the base engine for SL? Did that change for ‘23?


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Originally Posted by j.mo

I thought the 450 was the base engine for SL? Did that change for ‘23?


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I think it’s the base for the SE, I believe the SL has had the ability to run the 400


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Originally Posted by Holdmybeer

The 1.7 Trans is the best upgrade. 16x13.5 prop or use that as a spare and buy a 16x12 and you can run the 400 all day at 500ft.

Save the $5k for fuel and drinks.

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It’s $10k

SL can get the 400


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10K!!??!! Holy $hit! With some extra$$ on top! 400 would be my choice and use that 10k for something really extra! Like I said I have a 400 in a Makai that pulls all day long. I have a 1.76 trans. STILL OFFERS GREAT TORQUE. How many milliseconds faster do you need to get to surf speed?

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Originally Posted by HFarr

10K!!??!! Holy $hit! With some extra$$ on top! 400 would be my choice and use that 10k for something really extra! Like I said I have a 400 in a Makai that pulls all day long. I have a 1.76 trans. STILL OFFERS GREAT TORQUE. How many milliseconds faster do you need to get to surf speed?

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Thrust…….nevermind, I promised.


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Originally Posted by larry_arizona

Thrust…….nevermind, I promised.


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But, I think that would be a better luxury option to spend the money on in this case.

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I’m in the 450 club. I run the 16x13 at 1300 ft currently with 700 lbs and full stock ballast and have had some issues getting up on plane with crew of 8.

I’m always factoring in resale value. I won’t even look at the 400 in a boat over 22ft. Bigger boat = more weight in crew =more push needed, especially if your running into the wind with the Bimini out.

In hindsight, I wish we’d of looked at the SL harder. The updated interior is just so much more functional.

If you stay with the 400, get the thrusters, and never look back.


2022 SA 450

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Originally Posted by larry_arizona

Thrust…….nevermind, I promised.


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I with you guys are this. $10k is crazy for a few hard parts and tuning.
Thrusters and still have money saved.