Thermostat housing with sensor hole?

Discussion in 'Street/strip 400/430/455' started by Grandpas67, Jun 25, 2018.

  1. Grandpas67

    Grandpas67 Well-Known Member

    I was thinking the same thing. There would be a heat differential. The fans would kick on based off of temperature before the thermostat. I don't know how much of a difference that would make. The t-stat opens at a certain temp...the fans would kick off around 170 or thereabouts. I'd have to look at the specs. Maybe i'm thinking too much about it.

    Anybody know the engine side and post t-stat side heat differential?
     
  2. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD"

    Why would there be? The temperature differential on each side of the thermostat should be very low if anything. That upper hose tap should work just fine. My only worry would be clearance and it weighing the hose down.
     
    Grandpas67 likes this.
  3. 436'd Skylark

    436'd Skylark Sweet Fancy Moses!!!!!

    The only issue would be running a CTS that controlled the mixture/ enrichment. It'd be pig rich until the t-stat opened.

    On my Duramax, as I mentioned earlier, i had the bung welded to run the temp sending unit to run the stock 77 gauge. It reads nothing at all until the first thermostat opens at 180. Then the gauge jumps up. No big deal but it honestly takes forever. This wouldn't fly with a CTS. It'd be a plug fouler for sure.
     
    Grandpas67 likes this.
  4. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD"

    Agreed.
     

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