If you were going to buy
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If you were going to buy

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    Senior Member tkriley13's Avatar
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    Default If you were going to buy

    a set of AL BBC heads for a Blown Gas Flat drag boat which would you buy? currently I run a set of iron merlin 345`s open chamber heads..
    I`m thinking about the AFR 357 but I`m no expert by no means!!!!! I thought Edelbrock had some new Badass heads that were suppose to be out by now but havent seen them in a summit/jet cat.... As usual thank you guys! Tom

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    gn7
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    The biggest baddest head Edelbrock sells that will work on your deal is the Musi CNC 377CC head part # 61419
    Its a little big and they aren't all that.
    LINK: Edelbrock/Musi 24* head
    If the head your thinking of is the Edelbrock/Curtis Boggs Victor III, forget it. Wrong valve angle, wrong bore spacing. Not even close to anything you can use.



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    Last edited by gn7; 07-04-2012 at 09:41 PM.

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    Distinguished Member David 519's Avatar
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    Quote Originally Posted by tkriley13 View Post
    a set of AL BBC heads for a Blown Gas Flat drag boat which would you buy? currently I run a set of iron merlin 345`s open chamber heads..
    I`m thinking about the AFR 357 but I`m no expert by no means!!!!! I thought Edelbrock had some new Badass heads that were suppose to be out by now but havent seen them in a summit/jet cat.... As usual thank you guys! Tom
    Tom, the AFR CNC 357's or the Dart CNC 355's would work well for your deal. If you want to step up a bit more, I'd give Curtis Boggs a call and have him prep a set for you're specific combo. That said, there's other options and a bit more to it than just heads. Give me a call later this week and let's discuss....
    Quote Originally Posted by gn7 View Post
    ....... David 519 is 100% correct........

    Quote Originally Posted by fuelinmyveins82 View Post
    .....I think people forget that racing is supposed to fun. Losing shouldn't be discouraging it should motivate you work on your pile to make it faster.....

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    steelcomp was here
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    What are the engine details?
    If God is your co-pilot, change seats!
    Acts 2:38, the perfect answer to the perfect question.

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    Senior Member wagspe208's Avatar
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    What is the problem with the Merlins?
    I personally don't think the edelbrocks are up to the quality of "real" race heads.
    Wags

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    Senior Member Red Rocket's Avatar
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    I would stay away from the dart 355 in a blown application. They just aren't that strong of casting.The AFR would be a better choice. Its a stronger casting.

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    steelcomp was here
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    Quote Originally Posted by Red Rocket View Post
    I would stay away from the dart 355 in a blown application. They just aren't that strong of casting.The AFR would be a better choice. Its a stronger casting.
    X2. Even one step better, I'd go (without knowing anything about the engine, but just for comparison sake)
    the Brodix BB3 Extra 380CNC.
    If God is your co-pilot, change seats!
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    Senior Member racinjason65's Avatar
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    Does an alcohol motor have different needs than a gasoline motor cylinder head wise? Assuming they have the same displacement and same blower?

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    steelcomp was here
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    Quote Originally Posted by racinjason65 View Post
    Does an alcohol motor have different needs than a gasoline motor cylinder head wise? Assuming they have the same displacement and same blower?
    Not necessarily. Same boost, same rpm, then no. More boost, more rpm (which is typical for alky) then yes.
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    Senior Member tkriley13's Avatar
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    Thanks guys
    The merlins are great and have never let me down but by the end of this season I want to be in the 7`s so whatever it takes! The problems with the merlins are their Iron and heavy...
    As I get older I`m trying to plan things out better instead of just running out andbuying something cause its shiney and the latest and greatest...I might just make the switch to Alky and say screw it....

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    Distinguished Member David 519's Avatar
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    Quote Originally Posted by tkriley13 View Post
    ...I might just make the switch to Alky and say screw it....
    Well you know what I think....
    Quote Originally Posted by gn7 View Post
    ....... David 519 is 100% correct........

    Quote Originally Posted by fuelinmyveins82 View Post
    .....I think people forget that racing is supposed to fun. Losing shouldn't be discouraging it should motivate you work on your pile to make it faster.....

  14. #12
    steelcomp was here
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    Quote Originally Posted by gn7 View Post
    The biggest baddest head Edelbrock sells that will work on your deal is the Musi CNC 377CC head part # 61419
    Its a little big and they aren't all that.
    LINK: Edelbrock/Musi 24* head
    If the head your thinking of is the Edelbrock/Curtis Boggs Victor III, forget it. Wrong valve angle, wrong bore spacing. Not even close to anything you can use.
    The Musi head has some rolled valve angles. You can use their studs and guide plates, but if you want a shaft system, you have to use a dedicated intake stand. I was looking at a set tonight that a friend is working on. They have some pretty serious potential.
    If God is your co-pilot, change seats!
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    gn7
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    Quote Originally Posted by steelcomp View Post
    The Musi head has some rolled valve angles. You can use their studs and guide plates, but if you want a shaft system, you have to use a dedicated intake stand. I was looking at a set tonight that a friend is working on. They have some pretty serious potential.
    Of the conventional port Edelbrocks they are head and shoulders above the old Victor/GMPP head. Much better. The shifted valve layout may have it potential too. Not a head guy, but I know when they do the same thing to the SBC they see some gains. I imagine Edelbrock and Musi knew what they were doing. Like you said, if you run a shaft system, it is a unique dedicated system. But then really, most of them are anyway.
    That head seems to take more advantage of the large bore than many conventional 24* heads with the valve shift.



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    Senior Member racinjason65's Avatar
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    Are the old gmpp/Edelbrock Victor heads you are talking about the 7760's??? If so I'd like to know more about them. I have a set that were originally cnc ported by West Coast Cylinder Heads and I just had some additional hand port work done (also by WCCH) along with a valve job and increased int intake valve to a 2.350. The intake ports are now about 410cc's.

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