12-20-2018, 02:57 PM
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CC Member
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Join Date: Feb 2016
Location: North of London,
UK
Cobra Make, Engine: AC Cars Limited, 302 EFI
Posts: 204
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Not Ranked
Quote:
Originally Posted by FWB
careful there, how are you determining the threads were short 3/8 of an inch.
NPT=national pipe taper.....TAPER,..... they are tapered to make the seal. the correct depth is determined by a thread gauge, by tapping them deeper you may very well have made the threads unusable, unfortunately you won't know until you put pressure to it
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I understand the taper thread principle. However the coupling would not enter the unit at all. They were undertapped. Retapping them deeper is all that was required and I did it in stages. Don’t worry the coupling is still 1/4 off bottoming out, when fully tightened. |
Threaded Mode
