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  1. Malleus

    Running Hot

    ...or if the torque converter isn't locking properly? Just wondering if a transmission problem isn't masquerading as an engine cooling problem.
  2. Malleus

    Running Hot

    As @baldilocks said above, that'll work, as long as the transmission is in park. FWIW, the ECU/TCU has a temp sensor in the circuit somewhere: It should be possible to monitor it via OBDII/Techstream, at least for the '95-'97 models.
  3. Malleus

    Running Hot

    @iansplatinum, Another thought just occurred to me, that hasn't been explored here. What are your transmission temperatures? I'm just wondering if a hotter than "normal" transmission would raise the radiator temperature enough to be visible by the ECU, since the tranmission cooler lines run...
  4. Malleus

    Running Hot

    @iansplatinum I just completed the replacement of every cooling component and now I've got two 80s running 190.4°F consistently. I didn't have the time (or the coolant) to replace the parts one at a time to see if there was one culprit, or the problem was a combination of problem children...
  5. Malleus

    Running Hot

    FWIW, I don't think you're chasing a non-issue. Timing's the last thing on my list, too. The cool '95 80 I have runs 190°F all day, every day; the fenders and hood get warm, but definitely not hot. The '95 problem child gets so hot you'll get a 1st degree burn leaning on the driver's side...
  6. Malleus

    Running Hot

    When your measurements indicate you have high engine temperatures, how hot are the fenders and hood? Are they warm to teh touch, or so hot you can't keep your hand on them?
  7. Malleus

    Running Hot

    You've done everything I've done and neither of us is having any success. As I stated earlier, my heating problem is very likely the source of the earlier blown headgasket. I inherited a CSF all metal radiator, which I took to a local shop (many thanks to Terry at The Cooling Center) who...
  8. Malleus

    Running Hot

    :popcorn:
  9. Malleus

    Running Hot

    I have some 10k cSt silicone on the way. I'm going to add that to the new thermostat and see if that'll bring to operating temps in line with the JAN 95 80 in the driveway. @iansplatinum I apologize for highjacking your thread. The silicone I ordered is: fleabay was the only source I could...
  10. Malleus

    Running Hot

    UPDATE: The JUL'95 80 is running within the acceptable temp range. The existing thermostat was open 7 -mm (of the required 10-mm) at 203°F. Although it did start to open earlier than the new one, it would not fully open at HOT. I could have bet that it was OK, if you had put it in my hand...
  11. Malleus

    Running Hot

    I love a good horse beating...was it running hot all through the recent heat wave? Before? Start at some point recently?
  12. Malleus

    Running Hot

    Clever, those Japanese.
  13. Malleus

    Running Hot

    I should have the (current) thermostat out soon. We can compare notes then.
  14. Malleus

    Running Hot

    I doubt it would've taken this long to cause a problem if it was installed incorrectly...
  15. Malleus

    Running Hot

    No, both of mine are OE. If I want the sensor reading, I plug in my OBDII reader. That's where I got my numbers. Which is why I haven't bothered to mod my gauge...of course, when my '94 comes home (from Dallas, BTW), that'll be on the list.
  16. Malleus

    Running Hot

    I was just about to ask if you had adjusted the temp gauge. According to conventional wisdom, the US OE gauge won't move until it's too late for you to react; i.e., it'll read in the middle of the range at 176° just as well as 210°.
  17. Malleus

    Running Hot

    Granted, I don't drive in AZ, now, but I have and you are correct, that's a different world. Big D is trying to be them this week. Also, my temp is steady after 2-3 minutes from cold, no matter the vehicle/engine speed or load.
  18. Malleus

    Running Hot

    Purely for the sake of idle curiosity, what year is your 80? And is this the OE head and gasket? If not, when were they R&R'd?
  19. Malleus

    Running Hot

    Well, you do live in the high temp lab...
  20. Malleus

    Running Hot

    I'd pull and check the thermostat functionally. I doubt it has failed due to the construction, but it, or the galley, may have some trash in it. You won't know for sure until you do, and it is an FSM function check for this condition. I can't recommend other than OEM thermostats; I've never...
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