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Guest Message by DevFuse

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GT350 throttle body on 12-13 Boss?

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1 reply to this topic

#1 SierraKilo


    New Boss 302 Member

  • Pacific Coast Region
  • 10 posts
  • Region:U.S., Pacific Coast
  • Current Vehicle:2013 SBY BOSS 302
  • Boss 302's Year:2013

Posted 10 September 2017 - 06:26 PM

I see MMR has adapters and throttle bodies for a great price but can't seem to find anyone who is actually running the GT350 throttle body on their boss 302. I have heard it is a tuning issue. Can someone chime in on this. Please. Thank you in advance.
  • Rich B. likes this

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#2 Rich B.

Rich B.

    Not another year gone by?

  • Northeast Region
  • 3,651 posts
  • Region:U.S., Northeast
  • Current Vehicle:Boss 302 and '16 Buick LaCrosse
  • Boss 302's Year:2013

Posted 11 September 2017 - 04:35 AM

Sounds like the 90MM Ford Racing/Accufab (same thing) TB that will fit the Bosses. Too big for car that's OEM or TK tuned, 84.5 seems perfect. Reports are that car will run too lean with oversized replacement. Not even certain if a GT350 TB harness will match with the Boss if it is around 84-84.5MM. Only can vouch from own experience and posts from the forums, etc. Good question.

Nope, those are 87MM "tune required" not exact plug and play. No offense but look really cheap compared to my polished Accufab. Possible Boss wiring isn't lengthy enough to even reach connection? Attached File  image.png   102.17KB   0 downloads

Edited by Rich B., 11 September 2017 - 06:27 AM.

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