what style of air filter to use ?
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what style of air filter to use ?

  1. #1
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    Default what style of air filter to use ?

    i have a 22' prop boat with an engine hatch. im wondering what style of "filter" i should be using. i have plenty of room so there is no clearance issues. engine is a N/A single carb small block chevy in the 440hp range.
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    Senior Member jockorace's Avatar
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    With a closed engine compartment you're kinda limited to a USCG approved flame arrester. I would run the largest size that fits under the cover, since the smaller sizes are somewhat restrictive. Jocko
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    any place i should look for said uscg approved filter ?
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    Senior Member Brendellajet's Avatar
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    I ran a tiny babron deal with all its screens, as well as a big K&N, motor turned the same rpm. Not saying they are equal but those babron arrestors can flow some air. This was on an 800hp bbc.

    Id go with the USCG approved k&n and keep it oiled.
    "He is a lover, not a fighter. But he's also a fighter, so dont get any ideas."
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  5. #5
    Senior Member jockorace's Avatar
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    Quote Originally Posted by jeffz0rz View Post
    any place i should look for said uscg approved filter ?
    Go to the 'Manufacturer's Zone' right on this forum. Click on Rex Marine, CP Performance, Eddie Marine, etc. and you can check out thier online catalogs. Jocko
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  6. #6
    Boat Nut sleekcrafter's Avatar
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    X 2 on the K&N filters, About the most affordable SS & USCG approved out there. I have two of the 9" X 5" K&N's inside my scoop. A little filtered air never hurts, bugs are really bad this season.
    Upper Midwest Power Boat Association
    DRAG BOAT RACING UMPBA #926

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  7. #7
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    im leaning toward the k&n. they look great and seem to fit my application best. will i still get a million mile warranty ? thanks for pointing me in the right direction again guys.
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  8. #8
    Senior Member Bubbletop409's Avatar
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    I have two of the 5 X 9 K&N's on top of a pair of their SS velocity stacks on my pump gas 565, USCG legal as flame arrestors and keep out dirt, bugs, and tickets from over zealous LEO's, although I did notice the same unit with a USCG approval is $ 10.00 more than the automotive equilivent, boat tax I imagine.
    Larry

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    Jackwagon Patrolman Rexone's Avatar
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    I advise K&N also to keep out the dirt and crap, I can also sell you one if you need.
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    i might be interested in something large that can go on my 750cfm holley.
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