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  1. #26
    Join Date
    May 2010
    Location
    Tacoma WA
    Posts
    228

    Default Re: What it takes to run turbo's on a carb

    I'm just curious what would need to modified to turbo a 78 231?
    Aaron

    1978 Buick Skylark 4 door(Whole Earth Brown) 231 v6 even-fire Auto

  2. #27
    Join Date
    Apr 2011
    Location
    Olympia, WA
    Posts
    1,585

    Default Re: What it takes to run turbo's on a carb

    Quote Originally Posted by BRUCE ROE View Post
    Has happened to me. One instant nothing, next instant tires broken loose. Seems to me, it would be better if the max torque/boost were limited by the
    throttle position. That could be done with a control from the throttle position sensor, to the waste gate. Why not? Bruce Roe
    Here you are Bruce

    This is for a carburetor setup that doesn't have a TPS. A TPS will have to be mounted on the carb.
    If there is already an operating TPS then the 5 volt regulator in the circuit will not be needed and just the TP and Return lines from the TPS get run to the circuit.

    The air pressure to the Wastegates is controlled from 0 to the maximum pressure settings linearly by the TPS sensor.

    Since this is being used on a street driven car you want a variable air regulator that isn't constantly clicking like the standard boost controllers.

    R6 adjust the max output pressure and there is also adjustments on the EP-8000

    The EP-8000 must be mounted vertically and cushioned from vibration.

    Here is the product sheet for the EP-8000 Series Electro-Pneumatic Transducer: http://cgproducts.johnsoncontrols.co...PDF/216370.pdf

    I made a parts list using Digi-Key part numbers.

    You get to choose the TPS sensor

    Paul

    Last edited by pmuller9; 09-14-2011 at 12:10 AM.

  3. #28
    Join Date
    May 2010
    Posts
    549

    Default What it takes to run turbo's on a carb

    Thanks for the sketch. The electronics are straight forward, gain
    the TPS output by up to 2 times (10V max). So tell us about the
    EP-8000-2, A-4000-137, and the waste gates.

    thanks, Bruce Roe

  4. #29
    Join Date
    Apr 2011
    Location
    Olympia, WA
    Posts
    1,585

    Default Re: What it takes to run turbo's on a carb

    Quote Originally Posted by BRUCE ROE View Post
    Thanks for the sketch. The electronics are straight forward, gain
    the TPS output by up to 2 times (10V max). So tell us about the
    EP-8000-2, A-4000-137, and the waste gates.

    thanks, Bruce Roe
    I added this to post 27

    http://cgproducts.johnsoncontrols.co...PDF/216370.pdf

    Paul
    Last edited by pmuller9; 08-28-2011 at 02:00 AM.

  5. #30
    Join Date
    Mar 2004
    Location
    Edmonton Alberta
    Posts
    15,235

    Default Re: What it takes to run turbo's on a carb

    Quote Originally Posted by noraarm View Post
    I'm just curious what would need to modified to turbo a 78 231?
    You should be able to steal the whole top end off a 87 Turbo regal, including the heads, intake, fuel injection, exhaust, turbo, etc.
    __________________________________________________ __________________________________
    My book called Small Block Buick Performance covering the V6, 215, 300, 340, and Buick 350 engines will be released soon.

    http://www.v8buick.com/forumdisplay....rformance-Book
    __________________________________________________ ____________________________
    1970 Buick Skylark Turbo 350 street/strip

 

 
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