blow thru vs. draw thru with a Procharger and carb?
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blow thru vs. draw thru with a Procharger and carb?

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    Senior Member OkieDave's Avatar
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    Default blow thru vs. draw thru with a Procharger and carb?

    Opinions on the merits of blow thru vs. draw thru. I have a Procharger and a spare cheyenne hull. thinking about building a LS chevy w the procharger and trying to make it outrun my BBF cheyenne. no exp. w any type of blown build nor any LS chevy exp. other than I have a Corvette.

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    Senior Member Hass828's Avatar
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    Quote Originally Posted by OkieDave View Post
    Opinions on the merits of blow thru vs. draw thru. I have a Procharger and a spare cheyenne hull. thinking about building a LS chevy w the procharger and trying to make it outrun my BBF cheyenne. no exp. w any type of blown build nor any LS chevy exp. other than I have a Corvette.
    Blow through and dont look back. Either C&S specialties or CSU, either one can build you a carb that will make that will make great power. Which procharger do you have?
    Racing is who gets there first, not who gets there on schedule.


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    Senior Member slow67's Avatar
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    Quote Originally Posted by Hass828 View Post
    Blow through and dont look back. Either C&S specialties or CSU, either one can build you a carb that will make that will make great power. Which procharger do you have?
    X2. Prochargers HATE sucking through a restriction of any kind.

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    Senior Member OkieDave's Avatar
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    Default procharger

    the procharger is S/N 70808. the air outlet is 4". all I know about it is my friend took it off his 502 chev. and he told me he had sent it in to Procharger for service and they told him it was in good shape. there is an intercooler with it. the intercooler has smaller air in and out than the charger.

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    Or Seth, either one Budweiser's Avatar
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    Quote Originally Posted by Hass828 View Post
    Blow through and dont look back. Either C&S specialties or CSU, either one can build you a carb that will make that will make great power. Which procharger do you have?
    +1

    Although I have no first hand experience, everything I've read (including the Pro Charger website) say's the advantages of a blow through system far outweigh any reason to put together a draw through. My opinion, unless you have something that's already setup and functioning, blow through is the only way to go.

    A lot of info here: TheTurboForums - Index
    Check out the "Carburetor + Boost" section.

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    mo balls than $cents$ IMPATIENT 1's Avatar
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    blowthru with a hat on carb, not the carb box style

    Dare to be different, if it turns out great you can claim you planned it that way.
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    gn7
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    Quote Originally Posted by IMPATIENT 1 View Post
    blowthru with a hat on carb, not the carb box style
    Is this a flow thing? Other wise the only thing different is that the throttle blades are at equal pressure inside to out. But that can't be any difference in the carb calibration. I know the "hat" design can become critical to flow, so assume the box is a flow issue, besides being a pain in the arse.
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    Senior Member cyclone's Avatar
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    Quote Originally Posted by gn7 View Post
    Is this a flow thing? Other wise the only thing different is that the throttle blades are at equal pressure inside to out. But that can't be any difference in the carb calibration. I know the "hat" design can become critical to flow, so assume the box is a flow issue, besides being a pain in the arse.
    Adjustments with the carb in a box are a pain.

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