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Thread: 509/540 intake

  1. #1
    supersoaker509
    I'm going to build a mild 540 BBC for a jet boat. I need some suggestions on an single plane intake 3000/6500 for a 4500 carb (1050)
    I'm running a Merlin Marine single plane now with a 4150 carb (850) should I use an adp. 4150 to 4500 or go with one of these
    Looking for some good suggestions
    Brodix HV 2001
    World X
    Victor
    Super Victor
    Dart

  2. #2
    MikeF
    I have read elsewhere that those merlin manifolds are really not that good.
    The victor is the one I'd go with. :mix:
    Not very expensive and work well out of the box, but I'm sure they all could be better then right out of the box.
    Likely add some type of spacer on top to get the carb a little farther away from the runners.
    My 2cents.

  3. #3
    RICHARD TILL
    supersoaker466, heres something you might have to consider. about two years ago i was building a 496 and had a dart intake. to use the dart i would have had to bought a degreed spacer for underneath the carb. i ended up using a brodix intake with a 1 inch spacer but it was`nt degreed.

  4. #4
    supersoaker509
    so far it looks like the Victor with a 1in spacer open
    any others

  5. #5
    cfm
    What cylinder heads ?
    What compression ?
    HR or SR cam ? Over .600" lift ?
    Are you planning peak HP at 6500 ? If not where ?
    What kind of boat ? Single or dual engine ?

  6. #6
    cfm
    I can't edit for some reason.
    Just remembered Jet boat. Sorry for last question. Doh.

  7. #7
    supersoaker509
    AFR 305 cnc'd
    9.2 to 1
    I'm running now HR .646 lift
    SR around .714 lift :idea: I'm thinking about
    6000rpm chip
    single eng
    21 Daytona copy
    Use...River runner around 70 miles a day
    Oh yes LOL it's a jet

  8. #8
    cfm
    Click on: http://www.rehermorrison.com/
    The click "Products" link on top of page horizontal link bar
    Then click on "Funnel Ram" on left vertical link bar
    http://www.rehermorrison.com/images/...Ram_Intake.jpg
    Make your 468-502 BBC launch harder and run faster with Reher-Morrison's Funnel Ram Intake Manifold combination! We start with a Dart standard-flange intake manifold, and then add a 4500 Dominator carb adapter. Then our cylinder head experts port the manifold plenum, adapter and intake runner. Combining the manifold's small plenum and extended runner dividers with the tapered carb adapter produces a venturi effect that dramatically boosts torque and improves throttle response. The Reher-Morrison 'Funnel Ram" gives you instant acceleration, a strong carb signal for precise fuel metering and equal cylinder-to-cylinder fuel distribution. It will make your rat motor roar!
    Dart intake, adapter and ported - $679.95
    Edelbrock intake, adapter and ported - $579.95
    web@rehermorrison.com
    Make Reher-Morrison "Your Engine & Parts Department"
    © Reher-Morrison Racing Engines, 2002

  9. #9
    cfm
    If you want to keep your intake we have a great 4500-4150 adapter.

  10. #10
    Senior Member
    Join Date
    Mar 2010
    Posts
    883
    If you want to keep your intake we have a great 4500-4150 adapter.
    CFM's adapter is what I would recommend. "Tapered Induction". . .funnell that fuel and air into that chamber.

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