Carb spacers, no seriously.
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Carb spacers, no seriously.

  1. #1
    Senior Member Boat 405's Avatar
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    Default Carb spacers, no seriously.

    Which is preferable, open carb spacers or 4 hole carb spacers for a dart tunnel ram? And also I have seen some that have a angle cut in them?

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    steelcomp was here
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    Quote Originally Posted by widowmaker View Post
    Which is preferable, open carb spacers or 4 hole carb spacers for a dart tunnel ram? And also I have seen some that have a angle cut in them?
    Why do you think you need spacers on a dart TR?
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    Senior Member Woods 017's Avatar
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    I am running willsons sheer plates & there 4 hole spacer. The sheer plates are there to prevent reversion and spacers have been cut on a 4* angle in order to level the carbs. If you are going to spend the money to do this you might as well just buy a plate system.

    http://www.wilsonmanifolds.com/

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    steelcomp was here
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    Quote Originally Posted by fuelinmyveins82 View Post
    I am running willsons sheer plates & there 4 hole spacer. The sheer plates are there to prevent reversion and spacers have been cut on a 4* angle in order to level the carbs. If you are going to spend the money to do this you might as well just buy a plate system.

    http://www.wilsonmanifolds.com/
    That's the right way to do it.
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    Quote Originally Posted by steelcomp View Post
    Why do you think you need spacers on a dart TR?
    Well unless I'm totally missing something the top plate on the TR is flat and the carbs won't sit flat because of the linkage, so I figure i need to space the carbs up so the linkage will clear, unless there is a better way to do this like jordan mentioned.

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    steelcomp was here
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    Quote Originally Posted by widowmaker View Post
    Well unless I'm totally missing something the top plate on the TR is flat and the carbs won't sit flat because of the linkage, so I figure i need to space the carbs up so the linkage will clear, unless there is a better way to do this like jordan mentioned.
    Dominators will sit flat without spacers, even though shear plates are beneficial. If you have 4150's then yes, you'll need something, and most will use a shear plate to kill two birds with one stone. IMO you shouldn't run anything taller than that unless you're doing it for tuning. The smaller carbs might want more plenum volume, but that's accomplished with a spacer under the top plate. Some use a special durometer rubber for this to help isolate the carbs from vibration. The angled plates just help keep the carbs flat during a run which I have mixed opinions about.
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    Senior Member Woods 017's Avatar
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    Quote Originally Posted by widowmaker View Post
    Well unless I'm totally missing something the top plate on the TR is flat and the carbs won't sit flat because of the linkage, so I figure i need to space the carbs up so the linkage will clear, unless there is a better way to do this like jordan mentioned.
    The way I did it is ALOT of work so be prepaired if you take that route.

  10. #8
    cfm
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    Shear plates are a good idea for a TR like this one. The intake runners point right at the base of the carbs. Intake reversion will thus shoot right for the boosters. Of course, softened by the plenum some.

    In a single plane, the revesion shoots more under the carb than at it. Reversion still plays havoc with carbs but not as much as in a TR.

    Add into this the bigger cams used for TR applications, and, well, you get the idea.

    4 holes spacers become a restriction at higher than 1/2".

    I'd run appropriate height reversion plates. Wilson makes many different ones.

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    B1 Racing cs19's Avatar
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    phenolic carb spacers lol
    B1Racing.net

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    Quote Originally Posted by cs19 View Post
    phenolic carb spacers lol
    I was waiting for this

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    Senior Member Pattymelt18's Avatar
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    Quote Originally Posted by cs19 View Post
    phenolic carb spacers lol
    Phenolic reversion plates? oh wait already did that.

  14. #12
    TEN THIRTY ONE RCB19's Avatar
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    Phenolic

    RCB

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    Senior Member Boat 405's Avatar
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    sweet..... carb spacers....

  16. #14
    Senior Member H20MOFO's Avatar
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    Default Reversion?

    Sorry, (i'm a dumb ass), posts 3 and 8 talk about reversion(intake) I assume we are not talkin about suckin water up thru the exaust. I'm about to tear off a single 4 tr, and bolt on a vic jr. Anyway what is intake reversion, and wtf is a sheer plate?
    Another Hot Boat refugee

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