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Thread: nb heater core i na miata

  1. #1
    Idling - Listen to it purr...
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    nb heater core i na miata

    So I was changing out my heater core in a 1992 miata and I picked up a nb heater core. Now it fits pretty well and the pipes are in an ok position but I have a couple questions. First in the picture it sticks out a little bit so the cover wont fit. Does it really need the cover when you install. Also the hear core doesnt fit exactly becuase of the pipe hole location. Should I modify the heater core box and mabye saw that it fit or what should I do? Or do I really just need an NA heater core?

  2. #2
    2,000 rpm - light wheelspin, no bog here! Satisaii's Avatar
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    I tried that and decided it was easier to get a NA core. I think I was concerned about the tubes not being supported on the housing.

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