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F to 2f

Discussion in '40- & 55-Series Tech' started by 73lndcrsr, Jul 10, 2003.

  1. 73lndcrsr

    73lndcrsr SILVER Star

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    Will an intake manifold on the F fit a 2F?
     
  2. Lor

    Lor

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    I just bought a fj40, and the previous owner told me that the 2F engine got busted and he changed it to an F engine (couldn't fine the 2F). He still uses the 2F intake. So I guess it's interchangable.
     
  3. ranger

    ranger

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    I have an F motor in my 63 FJ40 and a 2F intake/exhaust will not fit on it. It has different spaced ports, and they are round not square.
     
  4. dd113

    dd113

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    later model f/2f intake are interchaneable. IIRC it is 68 and up. The 2F is a better intake as it is shaped for better flow.
     
  5. rusty40

    rusty40

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    My 2f (76) has larger studs for the manifold and there are thwo bolts aswell and the exhaust looks like 2.75

    my f (72) has small studs and smaller exhaust output

    If you wanted the f intake on a 2f you would have to grind the hole for the studs so it will fit.