Stop in for a cup of coffee

360DartGT66 said

Guys, what is the large pipe thread on the front of the LD340 intake? Is it 3/4" NPT? I can't remember.

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That sounds right, but I'm not positive on that...

If you have a choice, get a straight pipe thread tap, not a tapered one...

If you tap too deep with a tapered pipe tap, the hole gets larger and you may bottom the fitting out in the hole...

A straight pipe thread is not depth sensitive and will work fine and you don't have to worry about the depth when you tap...