how to get 3 temp sensors in a bb water pump housing?
#110430
08/26/08 12:19 AM
08/26/08 12:19 AM
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Joined: Jan 2003
Posts: 3,336
Summit, NJ
whiplash
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Summit, NJ
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How do I get 3 water temperature sensors into a bb water pump housing? I have the stock 1/8"npt sensor, a self drilled/tapped efi water temp sensor located on the heater hose side. I can eliminate the stock sensor but i don't know if there is enough meat there to drill and tap out to 1/2npt, has anyone ever done that? any other ideas? I was thinking about using a t in the heater hose (yeas, I'd like heat in the winter) but I was concerned about the temp not being accurate, which hose is the feed off of the water pump? thanks
- 67 coronet 4dr, 383/727/GVOD, blown, EFI, daily driver
- 230/238, 114°LSA cam, 1.6 rollers, 9:1 comp, 8 psi boost
- NEW BEST ET - 12.40@110mph...
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Re: how to get 3 temp sensors in a bb water pump housing?
[Re: DirectSubjection]
#110432
08/26/08 09:04 AM
08/26/08 09:04 AM
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Joined: Jan 2003
Posts: 3,336
Summit, NJ
whiplash
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Quote:
If you used the CSR water neck, you could weld an aluminum bung on top for one I think. 
I have the Meziere one on my 383 but its not flat on top.
But then the temp will be inaccurate until the stat opens fully?
If I have to do that, I'd rather tap into the heater core inlet fitting off the water pump with a T
- 67 coronet 4dr, 383/727/GVOD, blown, EFI, daily driver
- 230/238, 114°LSA cam, 1.6 rollers, 9:1 comp, 8 psi boost
- NEW BEST ET - 12.40@110mph...
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Re: how to get 3 temp sensors in a bb water pump housing?
[Re: whiplash]
#110433
08/26/08 09:52 AM
08/26/08 09:52 AM
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Joined: Feb 2003
Posts: 4,204
Fort Worth, TX
Clair_Davis
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How about adding a spacer under the t-stat with a couple sensor ports? Not sure how much that one costs, Weiand makes one that they sell for about $70. Plenty spendy, but not high tech... Wink, wink... Clair
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Re: how to get 3 temp sensors in a bb water pump housin
[Re: JohnRR]
#110435
08/26/08 10:21 AM
08/26/08 10:21 AM
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Joined: Jan 2003
Posts: 3,336
Summit, NJ
whiplash
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john,
Its the iron one. I looked at the AL one and same issue, not enough ports. what are your thoughts?
The t-stat extension sounds interesting, it is under the stat so I should get a pretty good idea of block temp, there should be enough turbulence there to allow an accurate reading. Gonna go look for it
- 67 coronet 4dr, 383/727/GVOD, blown, EFI, daily driver
- 230/238, 114°LSA cam, 1.6 rollers, 9:1 comp, 8 psi boost
- NEW BEST ET - 12.40@110mph...
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Re: how to get 3 temp sensors in a bb water pump housin
[Re: whiplash]
#110436
08/26/08 10:44 AM
08/26/08 10:44 AM
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Joined: Jan 2003
Posts: 3,336
Summit, NJ
whiplash
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one more question will the stuff for SBC and BBC fit the BBM water pump outlet and t stat? I've found quite a few for SB/BBC with 2-3/8"NPT ports for around $40. 
- 67 coronet 4dr, 383/727/GVOD, blown, EFI, daily driver
- 230/238, 114°LSA cam, 1.6 rollers, 9:1 comp, 8 psi boost
- NEW BEST ET - 12.40@110mph...
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Re: how to get 3 temp sensors in a bb water pump housin
[Re: whiplash]
#110437
08/26/08 11:10 AM
08/26/08 11:10 AM
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Joined: Jan 2003
Posts: 70,126
Here
DirectSubjection
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Tacohead. The First and Only
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Posts: 70,126
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Yeah - that's a much better idea than my suggestion.  I have a BBC water neck on my 383, just used a Chevy T-stat with it. I don't know if you could use a Mopar water neck on that BBC piece though, I'm sure someone will know though.
Ride eternal, shiny and chrome
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Re: how to get 3 temp sensors in a bb water pump housing?
[Re: whiplash]
#110439
08/26/08 10:00 PM
08/26/08 10:00 PM
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Joined: Jan 2003
Posts: 74,974
U.S.S.A.
JohnRR
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I Win
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Quote:
How do I get 3 water temperature sensors into a bb water pump housing? I have the stock 1/8"npt sensor, a self drilled/tapped efi water temp sensor located on the heater hose side. I can eliminate the stock sensor but i don't know if there is enough meat there to drill and tap out to 1/2npt, has anyone ever done that? any other ideas? I was thinking about using a t in the heater hose (yeas, I'd like heat in the winter) but I was concerned about the temp not being accurate, which hose is the feed off of the water pump? thanks
I looked at the housings , should be easy, you could couple probably do it to the iron one you have.
The alum MP unit has the heater hose connections plus a 1/2" pipe towards the thermostat just like the iron ones do , then you can add in the 1/8 in the stock location , if you go alum . The alum also has an 1/8 tapped port on the drivers side leg that runs to the underside of the thermostat , it's offset towards the block. You could hit that one with an endmill to move the centerline over for the 1/2 npt port , or you could just drill the 1/2 npt port in your current iron one on that side that doesn't have any .
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