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B Series Throttle Body Fit D Series?

Discussion in 'General Tech and Maintenance' started by djsgtrip, Mar 13, 2003.

  1. djsgtrip

    djsgtrip Junior Member

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    Anybody know if a B20 throttle body will bolt up and fit on a 92-95 (D16Z6) intake manifold??
     
  2. solblu

    solblu Senior Member

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    Yes it bolts right up
     
  3. TRuggiero_

    TRuggiero_ Senior Member

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    I may be wrong but I always heard that was a no, I forget why. I'd suppose as long as the IM is as wide as the TB then it shouldn't matter.
     
  4. eyesonlybob

    eyesonlybob Senior Member

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    i was told it wont fit also
     
  5. H0ndap0w3r

    H0ndap0w3r Banned

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    yes it will fit!!! i have one on a z6 intake manifold but the one i have is off of a b18b. fits just fine. the only bad part is that u have to port the maniold to fit the tb. other wise its a big step from the end of the tb to the start of the manifold. just check to make sure that all the vacume lines and so one are the same. if not a b18b tb will fit.
     
  6. Domeskilla

    Domeskilla Senior Member

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    Yea see.. your IM needs to be ported to match. The y8 IM doesn't.

    They do bolt up, but its not a bolt up and start up and drive off. You need to port the IM.
     
  7. djsgtrip

    djsgtrip Junior Member

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    I'm asking this cuz I figure it would be cheaper to buy a stock B series throttle body which is 58-60 mm, than to get a ported Gude/JG/RC D16Z6 throttle body which can only be ported to a maximum of 60 mm. Thanks a lot guys for the helpful info.
     
  8. Domeskilla

    Domeskilla Senior Member

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    If you want, the h-series TB's fit also. :)
     
  9. CRX_Si

    CRX_Si Senior Member

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    so you are saying that a stock y8 IM will accomodate a b series TB? ;)
     
  10. H0ndap0w3r

    H0ndap0w3r Banned

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    thats what he said, all d series manifolds besides the old dpfi motors. it shjould fit just fine, the IM will need to be ported tho.
     
  11. BlackJDMdeath

    BlackJDMdeath Senior Member

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    why stop at the little girl b series? step up to a real engine ;)
     
  12. CRX_Si

    CRX_Si Senior Member

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    but the y8 IM doesnt need porting to accomidate a bseries TB right?
     
  13. djsgtrip

    djsgtrip Junior Member

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    I finally got my B18B throttle body. It's WAY bigger than the D16Z6 t/b. However, I had to port the intake manifold a lot just to port match it. It's well worth the work tho. My car sounds and feels totally different....more torque and top end. I recommend anyone with a 92+ D series motor to swap to a B series T/B. I bought my LS t/b for $30 with sensors.
     
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  14. CRX_Si

    CRX_Si Senior Member

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    are the d16z6 and a6 TBs the same? thanks
     
  15. red95solsi

    red95solsi Senior Member

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    it will bolt right up d16y8 manifold needs no porting to make it fit and the d16z6 needs to be ported to fit it
     
  16. solblu

    solblu Senior Member

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    The A6 is smaller, by 2mm I think.
     
  17. allm0t0rsir

    allm0t0rsir Member

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    b-series and h-series will fit you might need port matching :ph34r:
     
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