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Thread: Fittings for ACTION +PLUS INTAKE - CHRYSLER SMALL BLOCK V8

  1. #1

    Default Fittings for ACTION +PLUS INTAKE - CHRYSLER SMALL BLOCK V8

    Team, I have a new ACTION +PLUS INTAKE - CHRYSLER SMALL BLOCK V8 for my new 360 LA engine.
    I'm replacing a Slant 6, so I do not have any of the fittings that go into the intake manifold.
    I've been looking for something that specifies what all the holes & fittings are for + what size are all the threads?
    Cheers, Paul from Australia

  2. #2

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    All the threads would be U.S. Carb mounting would be 5/16" U.S. course. There might be a couple for the coil mounting back by the distributor are same, and there might be one or two that are larger, 3/8" U.S. course. Any sensors/heater fittings would be NPT, that's American pipe thread. 1/8" NPT is about the size of a 3/8" bolt OD, for rough comparison. 3/8" NPT is about right OD for 5/8" heater hose. 1/2" NPT is approx 7/8" OD, and 3/4" is a bit over 1" OD. Here's a chart showing OD and other specs of NPT: http://www.engineeringtoolbox.com/np...ads-d_750.html

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