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Can't seem to get a straight answer on this....

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  • Can't seem to get a straight answer on this....

    Does anyone know what size tap I need for the lower intake manifold for the coolant return line for a 97 3.1 to a 00+ 3400 swap ? I've heard half inch and I've heard 7/8 npt Does anyone have a concrete answer ? Thank you

  • #2
    If I can't get a solid answer I'll probably cut the tubes and connect them with clamps and rubber hose....just don't want it to look like a rigged swap

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    • #3
      Ben would know the size. I can tell you that it doesn't look good and that the hose may flex and then you get a leak. Been fighting with mine and I regret not tapping the lower.
      95 Beretta 3100 with 3400 intakes and TCE TB
      High flow cat and a Magnaflow muffler
      Grand Prix trans with 3.33FDR

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      • #4
        Yeah I had thought of that.....I'm sure someone will know......I'm having a hell of a time doing anything on my phone.....including searches..... My phones being an asshole

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        • #5
          1/2" NPT. Was going to take a pic of mine, but the numbers don't show up very well.
          -Brad-
          89 Mustang : Future 60V6 Power
          sigpic
          Follow the build -> http://www.3x00swap.com/index.php?page=mustang-blog

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          • #6
            Originally posted by bszopi View Post
            1/2" NPT.
            Our smiley list is horrid. Also, that is correct:P

            /edit....I agree
            Last edited by SappySE107; 02-03-2015, 02:15 AM. Reason: I agree
            Ben
            60DegreeV6.com
            WOT-Tech.com

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            • #7
              3400 swap guide ftw... same info.

              3400_Swap_Guide_v2.5.6.pdf

              Got Lope?
              3500 Build, Comp XFI Cam 218/230 .050 dur .570/.568 lift 113LSA
              Fully Balanced, Ported, 3 Angle Valve Job, 65mm TCE TB, S&S Headers.
              Stage-1 Raybestos/Alto 4t60e-HD, EP LSD, 3.69FDR
              12.61@105 Epping NH Oct 2015 Nitrous 100shot (melted plugs) 13.58@98.8 N/A 3200LBS

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