BOOSTPOWER MARINE'S NEW 800 cubic inch Block - Page 2
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BOOSTPOWER MARINE'S NEW 800 cubic inch Block

  1. #15
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    Boostpower misc Twin Supercharged Port Injected Efi DYNO video!



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  3. #16
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    More 800 cube engine pics from BOOSTPOWER.COM😉


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  4. #17
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ID:	155954A pair of Boostpower 800 cubic inch EFI supercharged marine engines! Almost done!


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  6. #18
    New here Beer:30's Avatar
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    What's your initial setup on injectors and target fuel pressure? 160#s and 70psi????
    Quote Originally Posted by gn7 View Post
    EFI is the wave of the future. There can be no denying it. Electronics have been on the leading edge of our entire lives. Not only os the magneto dead, but the standard issue CDI is wavering. Its all about total fuel, air AND spark control. Anybody that thinks its not has their head up their ass.


    2001 SleekCraft 30' Heritage SSB, open-bow mid-cuddy. 496HO / Bravo-I.
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  7. #19
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    65psi. 16 injectors, 8 in the ports trimmed 120's and 8 on top of the blowers common feed 96lb. It is dual fuel ready!


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  8. #20
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ID:	155968polishing up the injector hats now!


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  9. #21
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    Quote Originally Posted by BOOSTPOWER View Post
    65psi. 16 injectors, 8 in the ports trimmed 120's and 8 on top of the blowers common feed 96lb. It is dual fuel ready!


    Sent from My Boostpower Marine Efi Beacon.
    Nice! I wondered if 8 160s would be enough. I hadn't done any math on it, though. Just a guess.

    Keep it up!
    Quote Originally Posted by gn7 View Post
    EFI is the wave of the future. There can be no denying it. Electronics have been on the leading edge of our entire lives. Not only os the magneto dead, but the standard issue CDI is wavering. Its all about total fuel, air AND spark control. Anybody that thinks its not has their head up their ass.


    2001 SleekCraft 30' Heritage SSB, open-bow mid-cuddy. 496HO / Bravo-I.
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  10. #22
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    Good guess buddy, 8 could be enough however people at times use what we call JADED MATH. They don't consider the leaner air fuel ratios we can run, they also don't consider the trimmable injectors in each cylinder along with our ability to adjust timing in each hole. Even a vaccum line going to a regulator. Some THINK all fuel pressure regulators are 1:1 ratio. Anyway, 160 can get close but a bit more is needed for continuous duty. Again, good guess!


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  11. #23
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ID:	156120building up the injector hat!



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  12. #24
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    What's the servo-can up on the hat next to the tube? By-pass for cruise (no boost)?
    Quote Originally Posted by gn7 View Post
    EFI is the wave of the future. There can be no denying it. Electronics have been on the leading edge of our entire lives. Not only os the magneto dead, but the standard issue CDI is wavering. Its all about total fuel, air AND spark control. Anybody that thinks its not has their head up their ass.


    2001 SleekCraft 30' Heritage SSB, open-bow mid-cuddy. 496HO / Bravo-I.
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  13. #25
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    An idle bypass mainly. Unloads the charger at idle. Idles like a mean kitty!


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  14. #26
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    Wow what a mill. Im fighting off a "semi" just looking at it.

    8 in the base and 8 on top - awesome.

    Should be enough duty cycle availability in that setup to let em "relax" regardless.

    Seems like the buyer is going after turbines boats with a piston boat- my favorite match up.

    When do these guys leave the shop- I may need to make a special trip over just to look at them?

    UD
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  15. #27
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    I also meant to comment on the double-idler(s) for the blower belt at the mid-way point. You generally only see the one, so the "non-idlered" side of the belt is flopping about - especially with rapid off/on throttle jockies. This setup shown will keep the belt perfectly aligned as well as securely tensioned. Well done.
    Quote Originally Posted by gn7 View Post
    EFI is the wave of the future. There can be no denying it. Electronics have been on the leading edge of our entire lives. Not only os the magneto dead, but the standard issue CDI is wavering. Its all about total fuel, air AND spark control. Anybody that thinks its not has their head up their ass.


    2001 SleekCraft 30' Heritage SSB, open-bow mid-cuddy. 496HO / Bravo-I.
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  16. #28
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    Yes. After all the years witnessing just that, we decided to perfect this idler deal! Nice catch!👍


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