That is right. Big block had smaller in later years. ---- Dan McCormack <mcwheels@xxxxxxxxxxxxxx> wrote: > > 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. > > > ---- > Please address private mail -- mail of interest to only one person -- directly to that person. I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic. Thanks! > > '62 to '65 Mopar Clubhouse Discussion Guidelines: > http://www.1962to1965mopar.ornocar.org/mletiq.html. > > ---- Please address private mail -- mail of interest to only one person -- directly to that person. I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic. Thanks! '62 to '65 Mopar Clubhouse Discussion Guidelines: http://www.1962to1965mopar.ornocar.org/mletiq.html.