70mm or 75mm throttle body

Discussion in 'SN95 4.6 Talk' started by jlds91389, Oct 3, 2009.

  1. jlds91389 New Member

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    im about to order a throttle body and cant decide between 70 or 75 mm. i will not be adding and type of fi since my car is daily driven. i still have the stock intake with the silencer removed and a k&n filter and intake spacer. so my question is will a throttle body be worth it and what size should i go with? thanks
    jlds91389, Oct 3, 2009
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  2. stangnutlx New Member

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    75 is too big for an NA application.
    stangnutlx, Oct 3, 2009
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  3. 98COBRA281 Active Member

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    75!!! dont waste you time!, if you go wiht a 70 you will always wish you went with a 75. get a ruler and see what 5mm looks like, its nothing! and not to big for N/A cars....
    98COBRA281, Oct 3, 2009
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  4. jlds91389 New Member

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    so will i feel any gains with the stock airbox with the silencer removed or will i just be wasting my time with either throttle body?
    jlds91389, Oct 3, 2009
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  5. streethorse Active Member

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    If you want to feel a gain you might as well do a TB and plenum.
    I use the stock air box in the summer, but an open filter in the winter.


    [IMG][/IMG]
    streethorse, Oct 3, 2009
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  6. jlds91389 New Member

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    i will be getting the plenum later on.
    jlds91389, Oct 3, 2009
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  7. Mr. Rustypwnz Active Member

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    the plenum is cheaper and makes more power, get it first, port your stock tb.. cai mandatory..
    Mr. Rustypwnz, Oct 4, 2009
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