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    Thread: bored Thorttle body...

    1. #1
      I'll keep it and add a turbo
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      bored Thorttle body...

      I want to bored my thorttle body, about 1 mm of diameter, my engine is an ECOtec 1.6L, do you see a problem to do this?...



    2. #2
      Should I keep it?
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      Someone posted a how-to on this site, I forget who. there is no problem porting/ overboring the throttle body, but dont look for huge, even noticeable gains. it will help flow but nothing enormous. but with the right tools, if you do it its a free upgrade. I also do not know what is safe, from what ive seen the aluminum tube before the butterfly is fairly thin already.

    3. #3
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      from my observation, there are other restrictions that should be opened up before the "metering" control being opened up will create much benefit.


    4. #4
      I'll keep it and add a turbo
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      I do it in a nissan sentra (méxican tsuru) 2001 with engine GA16DNE, y bored 2mm of diámeter....

      in that car i was polish & ported engine, and cut the valves in three angles, have CAI, with AEM dry filter, header hot shot, and magnaflow high flow cat, custom cat back at 2" inches...

      there are some pics from that thorttle body...

      Before...



      after...





      In my G3 y have a custom cat back at 2", whith magnaflow direct mufflers, and agnaflow spoon high flow cat...

      the cat...



      1st muffler...



      the muffler...


      the mandrel bent curves...







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