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Thread: Better head for 565 BBC - Xperts Help Please

  1. #1
    Member MASTER JOURNEYMAN
    Join Date
    Jun 2004
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    Lowell, IN
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    Better head for 565 BBC - Xperts Help Please

    I have slowly been honing in on parts for a 565 BBC. I would like the collective knowledge out there to weigh in on the heads. I am down to two: Dart Pro One 345cc and RHS Pro Topline 360cc (both run $2k)
    from online databases on flow numbers it looks like the Pro Topline head outflows the dart at all lift points on the intake side, but the Dart flows better exhaust until .600 lift. So that everyone knows the rest of the combo and not just shooting in the dark - - -
    13:1 compression on E-85 pump gas
    90% street driven 3400# '68 Camaro shooting for 800hp to run 9's with a th400, 4000 stall, 3.50 gear with a 26" tall tire. 300 degree solid roller cam with a 3500-7200 powerband and professional products hurrican intake and 1050 carb.

    I thank everyone for the help in the past and once again look forward to your responses.
    :?: :?: :?:

  2. #2
    Senior Member RACING JUNKIE
    Join Date
    Sep 2007
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    4,143
    I thought you built a 582 for this car awhile back?

  3. #3
    Senior Member RACING JUNKIE
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    2,998
    Dart IMO
    David Lanning
    IHRA NHRA 387B

    Fleenor Racing Transmission
    419-280-1406
    Lanning Electric
    Complete Drag Car Wiring
    APD Race Engines
    www.apdracing.com

  4. #4
    Senior Member MASTER BUILDER
    Join Date
    Oct 2003
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    144
    most engine builders I rlk to are going with the oval port stuff bbx3's
    they seem to be able to get 1000hp plus out of a 565.
    Al

  5. #5
    Member MASTER JOURNEYMAN
    Join Date
    Jun 2004
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    Lowell, IN
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    Quote Originally Posted by Tod74
    I thought you built a 582 for this car awhile back?
    Luckily I read enough posts on here to avoid a certain place in Las Vegas from doing it. I also got a "surprise" from the bodyshop doing my paint and bodywork and it took a good chunk of my engine $$$. So as life happens, you regroup and are thankful for the time to do more research and ask you guys since you have a mountain more experience.

  6. #6
    Member MASTER JOURNEYMAN
    Join Date
    Jun 2004
    Location
    Lowell, IN
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    47
    Quote Originally Posted by altune
    most engine builders I rlk to are going with the oval port stuff bbx3's
    they seem to be able to get 1000hp plus out of a 565.
    Al
    Can you pick up a set for around $2k and where? Thanks for your input.

  7. #7
    Senior Member SENIOR BUILDER
    Join Date
    Oct 2004
    Location
    Woodbridge, VA
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    101
    I'd use the dart head, .. good proven part, good power and
    you can have them ported later.

    I can offer a cnc ported RFD 24* with 2.35" valve and flows 450cfm
    for around $3350 complete. Makes easy 1050 hp on 565-582's
    http://raceflowdevelopment.com/RFD-h...ock-victor.htm

    Curtis
    ----------------------------------------
    Race Flow Development
    Simultaneous 5-axis CNC Porting
    http://www.raceflowdevelopment.com


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