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Old 09-24-2009, 06:43 PM   #16
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Originally Posted by number81 View Post
hey curiousity... the new f2 header is using a 2.75 primaries and a 2.5 collector and now so is the OBX... does this mean the OBX will have the same response on the D20 as the F2 has had?
And by saying 2.75" you mean 1.75" correct?

And yes the FS or Cosworth with their bigger primaries will benefit the 2.3 more than the 2.0.
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