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  1. #1
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    FINALLY A 450 HP outboard!

    http://www.nizpromarine.com


    • Direct-fit Supercharger Upgrade that takes only a few hours to install

    • Eaton TVS R1900 Twin Vortices Series (TVS) Rotating Assembly

    • 450 HP from 5200 to 6200 rpm at 7 psi positive pressure

    • 450 ft lbs at 5200 rpm

    • 90% of engine torque available from 3000 to 6200 rpm

    • 300 ft lbs at 1200 rpm

    • Adds only 55 lbs to existing F and VMAX Series engines

    • Power to weight ratio of between 0.75 -0.81 horsepower per pound

    • The most powerful 6 cylinder outboard marine engine on the planet

    • Harrop Engineering engaged for production – SAI GLOBAL certified ISO9001 quality since 1995

    Last edited by hydroo; 04-08-2017 at 03:21 PM.

  2. #2
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    Click image for larger version. 

Name:	Nizpro_Marine_450s_02-700sq.jpg 
Views:	111 
Size:	53.0 KB 
ID:	372124

  3. #3
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    I think I've seen this before

  4. Likes David - WI liked this post
  5. #4
    Join Date
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    Gladstone , OR
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  6. #5
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    So it looks like $10,000
    plus import taxes and fees
    I am working with a dealer who is setting up an account as a distributor.

  7. #6
    Join Date
    Apr 2001
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    Michigan
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    I just came across a 200 sho that sank in the storm last week, probably for beans.

  8. Likes 300x Stoker liked this post
  9. #7
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    Sounds too good to pass up?

  10. #8
    Join Date
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    I'd be interested in the durability of the engines and drives after bolting this on. Doesn't look like compression ratio changes since it's supposed to be a bolt on kit. 10.3:1 isn't exactly ideal for boost. The gearcase also wasn't exactly designed to handle that much juice either.
    When Mercury came out with the 350/400, it wasn't as simple as just cranking up the boost, and that engine was designed to have a blower!
    Still neat, can't wait to see someone here bolt one up.

  11. #9
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    The manufacturer addressed those issues in the first and original thread. Post #30

    http://www.screamandfly.com/showthre...ha-power-adder
    Last edited by 300x Stoker; 04-10-2017 at 09:01 PM.

  12. #10
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    10.3 is a great CR for a blower.This is the age of fuel injection and computer s ..CR is your friend...we run these on ls motor s and the CR us 10.8

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