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5.3 Build

This is a discussion on 5.3 Build within the GM Trucks forums, part of the Vehicle Specific category; Ok, I got a 99 Silverado Z71. Right now I have a remote turbo set-up installed, which totally kicks ass. ...

  1. #1
    1badz71
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    5.3 Build

    Ok, I got a 99 Silverado Z71. Right now I have a remote turbo set-up installed, which totally kicks ass. But there is only one prob. Im having trouble finding cams for it. Can anyone help me out on that?

  2. #2
    We'll be back... GatorSS's Avatar
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    Light Pewter Metallic
    2000 Camaro SS M6

    Are you speaking of the STS rear mounted turbo?

  3. #3
    1badz71
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    well thats where the idea came from, but pieced together the kit

  4. #4
    We'll be back... GatorSS's Avatar
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    Light Pewter Metallic
    2000 Camaro SS M6

    Found a cam yet? Got any pics of your tubo setup?

  5. #5
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    i have a 5.3 also (lt4 front drive engine), working on turbo kit and looking for a cam also... so a big ttt for this thread..

    (leaving my sierra 4.8 bone stock)

  6. #6
    Junior Member shabysurf's Avatar
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    black
    04 silverado

    Skip the cam for now and get long tube headers w/ high flow cats, or no cats, and y pipe, this will spool your turbo up alot easier and faster creating more boost and better response, not to mention the note it'll add to the exhaust!

  7. #7
    Junior Member shabysurf's Avatar
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    black
    04 silverado

    Oh yah, not to mention the power increase, I'm guessing a solid 30hp to the wheels!

  8. #8
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    Black
    1994 Z28

    Any pics or info on that home brew rear turbo kit?

  9. #9
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    recommendation for cam

    I read several articles and most agree that with a turbo or forced injection, recomendations are of the following. 112-114- Lobe Seperation angle,(LSA), 224/236 @.050 lift duration, or 268/286 advertised duration, Try to keep the lift just over or equal to stock and more on the exhaust side then the intake. 2000-6000 RPM range. Gearing is important when trying to find a cam. Call comp cams or anyone that you may prefer to get good answers. You must be equipped with answers like what mods you have, such as heads and what the flow characteristics might be, intake manifold, distributor, ignition, exhaust, torque converter and almost most important gearing and what you plan to do with your car, 4 wheel, hills, gas milage you want, drag/street, street only, road race etc.

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