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  • 50mm throttle body...

    hey guys, just out of curiousity, ive heard/seen some people talking about gruppe a cars using 50mm throttle bodies from the m5 on the s14. is this possible and what would be the benifits of such an upgrade on an otherwise stock motor, just for benchmarking, and what kind of benefits you would expect from a heavily modded engine? just trying to spark some debate, lets hear it guys!



    looks better than it runs :/

  • #2
    They are NOT the M5 ones, but Magnesum Slide throttles.

    Now a slide throttle does not have nay butterflies, it has a slide that opens and closes, this makes it so there is NOTHING in the intake track under WOT.

    These are VERY expensive!

    People are also putting the M5 Tb's on their cars to. On your car they would be a wast of money. I'd say only 300hp+ cars need bigger then the 48mm tb's

    Do not click
    At least it's German

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    • #3
      The slide-gate throttles do have a butterfly, just not in the traditional sense.. instead of a throttle plate pivoting on the diameter like the stock units do, the slidee throttles pull two half circles apart (like a door on a James Bond game) and virtually eliminate the turbulence flowing into the head. Not only are they bigger but much more efficient.. but as Mike said, very expensive. I remember seeing them on Steve Vicarri's Grp A car years ago..
      Alex McHenry

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      • #4
        49,5mm(DTM 91)sliding throttles costs here in Germany between 1600-1900 Euro
        But it is only intresting for race engines with more than 320hp

        Markus

        http://www.bmwm3shop.de

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        • #5
          wow. thanks for the very interesting replies! very informative learn something new every day. thanks guys!



          looks better than it runs :/

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          • #6
            Originally posted by Markus

            But it is only intresting for race engines with more than 320hp
            Originally posted by EvoIIIM3
            [B]
            I'd say only 300hp+ cars need bigger then the 48mm tb's
            [/B}
            Or if you wanna big ballin Grp A style :batman: Bring on the centerlugs and air jacks!
            Alex McHenry

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            • #7
              Originally posted by AlexMc
              Or if you wanna big ballin Grp A style :batman: Bring on the centerlugs and air jacks!
              fosheezy!



              looks better than it runs :/

              Comment

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