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Old 05-19-2014, 08:35 PM   #93 (permalink)
Megan370z
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Quote:
Originally Posted by synolimit View Post
My "secret sauce" will be done soon but I'll share.

OEM TB- 2.6" to 2.35" to 2.39".
New TB- 2.6" to 2.55" all the way through.OEM mani ported to 2.55" at the TB connection and smoothed out runners port matched to the lower mani. Lower mani port and polished as much as possible.

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Good luck with 2.55 ID on the OEM TB....

the inlet wall at mid-way from the butterfly and the entry is quite thin and I doubt very much its feasible or safe !!


cant wait to see your own result !
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