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  1. #1
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    Re powering 24 super!!

    Hi everyone!!
    I'm Andrew, Im from Southern California, I own a 24superboat with a 200blackmax.im looking to ur opinions pro's and con's on a new motor cause this needs a gear drive and it's slow compared to pops Y2k he had!!
    im looking to get close to 80mph in my boat, and I have 4 motors in my mind buy trying to stay under 10k and hoping to do next season or maybe sooner
    300x
    evinrude 250ho
    300xs
    yami but leaning away after talking to hydro tec cause piston ring only last 300 hrs

  2. #2
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    Your gonna need twins to get to 80

  3. Likes Frank Molé liked this post
  4. #3
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    Quote Originally Posted by vnemous View Post
    Your gonna need twins to get to 80
    might just make 80 with a 400r (and triple the budget...)

  5. #4
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    I've had two 24ft similar v bottoms. A Pantera and a carrera 7mm.. Both had 468ci / 450hp trs. 75mph on a good day , low fuel , two people and empty cooler. The trs and big block weight twice as much as a o/b. Rough water hull. I would go with the biggest o/b you can afford. .

  6. #5
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    My 24 with a 300xs hits 74 on a good day, other than that 70 all day any day

  7. #6
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    300xs is the motor for a 24....dont do twins its pointless and ruins the boat....
    1984 28 ghost twin 200 Yamah ProVs (SOLD)
    1997 21 Superboat Legend 250 VMAXXX (SOLD)
    2001 25 Concept CC 250EFI (SOLD)
    2002 24 Superboat Step 250EFI (SOLD)
    1997 21 Checkmate Pulsare 200EFI Merc (Beater Boat)(SOLD)
    1994 20 Hydrasport 225 Optimax (SOLD)
    1998 27 progression Twin 225 Mercs (SOLD)
    2005 23 Kryptonite 300 Promax (SOLD)

  8. #7
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    We have a 225 Verado on Fullers 24 with a whipple computer in it. Runs 70 with no set up.

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  10. #8
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    Quote Originally Posted by Faststang1 View Post
    Hi everyone!!
    I'm Andrew, Im from Southern California, I own a 24superboat with a 200blackmax.im looking to ur opinions pro's and con's on a new motor cause this needs a gear drive and it's slow compared to pops Y2k he had!!
    im looking to get close to 80mph in my boat, and I have 4 motors in my mind buy trying to stay under 10k and hoping to do next season or maybe sooner
    300x
    evinrude 250ho
    300xs
    yami but leaning away after talking to hydro tec cause piston ring only last 300 hrs
    I'm sure the forums tallest midget will contradict me here, but being totally serious, id but twin Yamaha 300 vmaxx.. they can be had for $5000 complete and get it massaged by the guys at Hydrotec.. they are good bang for buck.. guys say they are underpowered but hydro pushes them near 400 for not much money
    Last edited by aggiestckl; 07-15-2017 at 02:31 PM.

  11. #9
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    I've been kicking around selling my pair of 300 vmax, hydrotec stage 2....

  12. #10
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    Quote Originally Posted by Faststang1 View Post
    Hi everyone!!
    I'm Andrew, Im from Southern California, I own a 24superboat with a 200blackmax.im looking to ur opinions pro's and con's on a new motor cause this needs a gear drive and it's slow compared to pops Y2k he had!!
    im looking to get close to 80mph in my boat, and I have 4 motors in my mind buy trying to stay under 10k and hoping to do next season or maybe sooner
    300x
    evinrude 250ho
    300xs
    yami but leaning away after talking to hydro tec cause piston ring only last 300 hrs
    Better start with how many gallons does the tank hold, and then what octane gas can you get when you are out on the water where you boat.

  13. #11
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    Quote Originally Posted by engineermike View Post
    I've been kicking around selling my pair of 300 vmax, hydrotec stage 2....
    How much

  14. #12
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    Pm sent

  15. #13
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    sounds like a boat for a warmed over v8 evinrude ( and sportmaster lu)

  16. #14
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    Quote Originally Posted by vnemous View Post
    We have a 225 Verado on Fullers 24 with a whipple computer in it. Runs 70 with no set up.
    That sounds intriguing. Any idea on the HP with the computer change and was that the only change ? What octane does it require ? Is fuel consumption still the same until you get to the top of the rpm band or does that go up across the board.

  17. #15
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    Quote Originally Posted by Faststang1 View Post
    What up guys, I come to the conclusion I want a E TEC I've done a search and can't get a actual answer of what's the real difference between the two other than just computer? I'm looking for a new motor for my 24 foot Superboat, Anybody know the pros and cons of the two?
    Looks like you have made your choice to go Etec

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