The New Bullet is Here!!
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The New Bullet is Here!!

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    Senior Member XClutchboy725's Avatar
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    Default The New Bullet is Here!!

    Putting together a Dart 540 shortblock with internally balanced Eagle rotating Assy.

    What damper and flexplate would you guys run?

    For those of you who don't know me, the motor is going in a 18.5 Southwind Jet. Shooting for 800hp and around 6500 rpm.

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    I'm No Expert Shaun's Avatar
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    I started a topic on dampners back when i was doing my build. End result was ATI was a great choice, maybe even the best... It's what i went with.

    As for flexplates, i was told to just make sure i get one that is SFI approved

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    cfm
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    ATI. Good move Shaun.

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    Senior Member XClutchboy725's Avatar
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    That's what I was thinkin'... Thanks for confirming guys!

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    Senior Member MACHINEHEAD1's Avatar
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    BHJ or ATI and Professional products SFI for the budget minded. Great piece for $185. Has anyone tried one of thos heavy flexplates from CSI and the like? I think they call it "the wheel" or something.

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    Senior Member XClutchboy725's Avatar
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    How do I know what diameter is best?

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    Senior Member Bubbletop409's Avatar
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    Quote Originally Posted by XClutchboy725 View Post
    How do I know what diameter is best?
    Starter and flexplate diameter must match, when using a stock style starter. Most BBC use the large diameter wheel, and the offset bolt pattern starter.
    Larry

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    Senior Member XClutchboy725's Avatar
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    Thanks, but I was refering to dampener diameter. I think ATI has 6" and 7" for internally balanced assy's.

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    Senior Member MACHINEHEAD1's Avatar
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    The biggest one

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    cfm
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    That's what she said...LOL.

    I'll disagree about the Professional Products damper. I've seen a few pics of them exploding - okay coming apart and flinging parts. One was in a dyno room. Thank god no one got hurt.

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    Gone
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    Quote Originally Posted by cfm View Post
    That's what she said...LOL.

    I'll disagree about the Professional Products damper. I've seen a few pics of them exploding - okay coming apart and flinging parts. One was in a dyno room. Thank god no one got hurt.
    Yes...I agree. I caught one coming apart also. On motors that require a balancer...have always just used a Summit SFI one. Never a problem with those.

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    Senior Member vee-driven's Avatar
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    I would go with an aluminum FLYWHEEL or if your gonna go cheap use a certified flexplate and remember a flexplate was designed to be rigid with the use of a converter, and a ROMAC or ATI balancer.


    It's not that i don't care, I just dont give a sh!t!

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    Senior Member Brendellajet's Avatar
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    Quote Originally Posted by XClutchboy725 View Post
    Putting together a Dart 540 shortblock with internally balanced Eagle rotating Assy.

    What damper and flexplate would you guys run?

    For those of you who don't know me, the motor is going in a 18.5 Southwind Jet. Shooting for 800hp and around 6500 rpm.
    You building it or having it done?

  16. #14
    Senior Member XClutchboy725's Avatar
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    I'm building it...With help from some very good consultants!

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