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1G Whos running the s90 throttle body?

Posted by amsrn13, Dec 6, 2018

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  1. amsrn13

    amsrn13 Proven Member

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    danbury, Connecticut
    So ive had terrible luck with these throttle bodies in the past. Im considering upgrading to the jmf billet manifold. They recommend at least a 74mm throttle body. We dont have to many good options for quality throttle bodies that dont leak. Both of my previous 70mm tbs leaked terribly. I switched back to stock and never looked back. Anyone have good luck
     

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    1992 Eagle Talon TSi

    Street Build

    645 whp   498 lb/ft
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  2. motomattx

    motomattx Proven Member

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    wampum, Pennsylvania
    I use the American made Accufab throttle body, good quality stuff.
     
    1995 Mitsubishi Eclipse GST

    Drag Race Build

    GT42   manual
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  3. amsrn13

    amsrn13 Proven Member

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    You have a part number? What did u use for tps? And idle control
     
    1992 Eagle Talon TSi

    Street Build

    645 whp   498 lb/ft
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  4. motomattx

    motomattx Proven Member

    1,156
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    Joined Dec 9, 2010
    wampum, Pennsylvania
    I use the actual Ford Mustang tps, you can get it super close to the Dsm one and I was able to run it even on a stock ecu, Idle control I use an external isc that I made from the Nissan purge solenoid with the Dsm isc motor windings so that it will plug in. Keep in mind that I use a Magnus V3 manifold that is already setup for the Mustang bolt pattern, so I use the 100mm Accufab because I cant find a reason to choke off the manifold with an adapter with a turbo this big, however Magnus makes a Dsm to Mustang adapter for that manifold that you should be able to reverse?

    https://accufabracing.com/throttle-bodies

    https://accufabracing.com/throttle-bodies/racing-throttle-bodies/race-90-throttle-bodies
     
    1995 Mitsubishi Eclipse GST

    Drag Race Build

    GT42   manual
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  5. amsrn13

    amsrn13 Proven Member

    1,893
    486
    Joined Dec 1, 2013
    danbury, Connecticut
    1992 Eagle Talon TSi

    Street Build

    645 whp   498 lb/ft
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  6. motomattx

    motomattx Proven Member

    1,156
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    Joined Dec 9, 2010
    wampum, Pennsylvania
    Yeah, the Magnus part would work just fine, its just a more expensive solution, but its a nice piece, I didnt feel like paying shipping from Canada and no one had them in stock in the area that I know of or I would have grabbed one.

    https://www.rockauto.com/en/moreinfo.php?pk=10064636&cc=1133985&jsn=619
     
    1995 Mitsubishi Eclipse GST

    Drag Race Build

    GT42   manual
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  7. ist dwa

    ist dwa Proven Member

    197
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    Joined Nov 5, 2009
    Centerville, Ohio
    I have successfully implemented a true 74MM S90 throttle body, I had to work over each side of the throttle shaft to keep it from leaking but after a lot of effort and time I was able to do so.
     
  8. motomattx

    motomattx Proven Member

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    wampum, Pennsylvania
    The Accufab has a nice stainless steel shaft in it!
     
    1995 Mitsubishi Eclipse GST

    Drag Race Build

    GT42   manual
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  9. amsrn13

    amsrn13 Proven Member

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    danbury, Connecticut
    I did also by upgrading the shaft seals. Why cant these peopls upgrade their shaft seals. Their like 10 bucks. Im not buying a new product to repair it
     
    1992 Eagle Talon TSi

    Street Build

    645 whp   498 lb/ft
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  10. ist dwa

    ist dwa Proven Member

    197
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    Joined Nov 5, 2009
    Centerville, Ohio
    Because nobody else makes a nice bolt on T-body...that's why. I have modified everything else on the car at this point, what's the t-body????????????
     
  11. smbgsx

    smbgsx Proven Member

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    Savage, Minnesota
    I have an s90 going on soon, what should I do to prep it so it will not leak? you said shaft seals, is that it?
     
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  12. amsrn13

    amsrn13 Proven Member

    1,893
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    Joined Dec 1, 2013
    danbury, Connecticut
    Maybe ill put together an s90 repair kit and sell them
     
    1992 Eagle Talon TSi

    Street Build

    645 whp   498 lb/ft
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  13. buddahboost

    buddahboost Proven Member

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    Joined Aug 15, 2007
    CHICAGO HEIGHTS, Illinois
    Kiggly had a stock throttle body to a SMIM ( stalk his gallery) and twicks69 (IF profile is current) is running a 1G TB to SMIM

    Nuff said

    PS, you can always run the adapter plate back to stock TB if you get that SMIM
     

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