Didn't Mopar switch to a smaller water temp sender in the later years? I think I'd look into getting a new one that fits before I'd drill and tap your water pump housing.
Dan----- Original Message ----- From: "David Kincaid" <dave.kincaid@xxxxxxxxxxx>
To: <1962to1965mopars@xxxxxxxxxx> Sent: Wednesday, April 23, 2008 10:42 AM Subject: Thread pitch and diameter of water temp sending unit
The hole for the water temp unit in the aluminum water pump housing I bought for my '62 413 is much too small, so I'm going to have to drill and tap a larger one. Can someone please tell me the diameter and thread pitch of the early B/RB temp sending unit? I'm guessing 1/4-18 NPT, but that's just a guess.
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