heat exchanger modification
#14
So i got into the parts pile today and found a 1/2 npt to 12an fitting. On this particular fitting:
1/2 NPT = .0533 ID
12 an = .0591 ID
i dont see .0058 making a measurable affect on the flow at all. literally a **** hair difference ID. I'll take the easy route and leave the exchanger stock. as Trick eluded to, there is no point in splitting hairs on this one.
the visual difference on 1/2" NPT vs 12AN would lead you to believe otherwise. the thread measurement on this fitting was 1.060 on the AN side with the 1/2 NPT measuring at .807. Dont judge a book by its cover i guess.
1/2 NPT = .0533 ID
12 an = .0591 ID
i dont see .0058 making a measurable affect on the flow at all. literally a **** hair difference ID. I'll take the easy route and leave the exchanger stock. as Trick eluded to, there is no point in splitting hairs on this one.
the visual difference on 1/2" NPT vs 12AN would lead you to believe otherwise. the thread measurement on this fitting was 1.060 on the AN side with the 1/2 NPT measuring at .807. Dont judge a book by its cover i guess.
Last edited by TXsilverado; 03-10-2018 at 11:59 AM.
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parish8
GM Engine & Exhaust Performance
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04-17-2004 06:01 PM