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Port and Polish or Aftermarket TB?

This is a discussion on Port and Polish or Aftermarket TB? within the External Engine forums, part of the LSx Technical Help Section category; Would a stock Port and Polished Throttle Body be just as good as an aftermarket TB? My TA's basically stock, ...

  1. #1
    Rice Hungry GottaHaveLS1's Avatar
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    1999 Trans Am M6

    Port and Polish or Aftermarket TB?

    Would a stock Port and Polished Throttle Body be just as good as an aftermarket TB? My TA's basically stock, Slp cold air and lid, etc.

  2. #2
    Senior Member SeVeReDiStOrTiOn's Avatar
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    05 Wrangler
    00 Z28 sold :-(

    You'll see better gains if you get a ls6 intake manifold and hold off on the TB, or do both at the same time if you can afford it. I'd port the TB over buying a new one...it's cheaper and has the same gains.

  3. #3
    WS6 to Z06 TransAmMan's Avatar
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    Well don't aftermarket TB weight a few less pounds? Thats about the only gain I can think of.

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

    I'd port and polish the stock TB.

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