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Transmission Temperature gauge

Discussion in 'The Hokey Ass Message Board' started by Cerberus, Nov 16, 2011.

  1. Cerberus
    Joined: May 24, 2010
    Posts: 1,392

    Cerberus
    Member

    What is the best/cheapest way to install a Auto Meter inline transmission temp gauge. Auto Meter wants $42.00 for their #2286 3/8" transmission temperature gauge inline manifold to the radiator inlet? Shipping/handling is $9.95 + $42.00 = $52.00. I already have a braand new Auto Meter transmission temperature gauge. I'm way over budget on this avatar.
     
  2. Moneymaker
    Joined: Sep 19, 2011
    Posts: 320

    Moneymaker
    Member

  3. Cerberus
    Joined: May 24, 2010
    Posts: 1,392

    Cerberus
    Member

    Your response is a bit ambiguous. Are you suggesting welding a bung on the trans pan? And, then running a sender from it? My 302 has a AOD behind it without a drain plug.
     
  4. I did mine by adding a "T" in the cooling line, had to add a ****** to fit the sender. Still cost 20+ $ for the fittings.
     
  5. The most accurate place for a ****** temp sender is the pan. If you have an aluminum pan, drill it and tap it! If not then there are a few things on the market to make it, quick, easy and painless. Or weld a bung on it.
     
  6. lstwsh
    Joined: Jun 4, 2008
    Posts: 440

    lstwsh
    Member
    from Dayton,Oh

    I just bought a BM trans pan for my 518 Mopar trans.It has a fitting in the pan for a trans temp sender.Derale also has inline sender fittings you can buy.
     
  7. Mad Mouse
    Joined: Apr 1, 2007
    Posts: 93

    Mad Mouse
    Member

    What are you going to with the info from the gauge?
    The fluid temp will scare the he'll out of you. 290 to 350 degrees is normal. If you have a high stall converter, it goes even higher. Sometimes it is bet not to know, ignorance is bliss.
     
  8. BISHOP
    Joined: Jul 16, 2006
    Posts: 2,570

    BISHOP
    Member

    I totally agree, you wont be able to stop taking looks at it, it is scary.
     
  9. 73RR
    Joined: Jan 29, 2007
    Posts: 7,342

    73RR
    Member

    If you run temps that high on a regular basis you will destroy the clutches. 250° should be the max for short intervals...that is why you NEED a gauge and that is why we have trans oil coolers.

    [​IMG]
    .
     
  10. With any overdrive ****** it's best to know your fluid temp.

    It's probably why he's asking.
     
  11. Cerberus
    Joined: May 24, 2010
    Posts: 1,392

    Cerberus
    Member

    I installed a Bowtie Overdrive (BTO) Level II 200 4R/ 2200 stall convertor, 3.42 posi, alum radiator, in my other car (see album). BTO recommends 160 degrees as an ideal operating temperature. Their trans pan came with a threaded hole for a temp gauge. On a 105 degree day, at 70 mph, the trans fluid can get as high as 175 degrees in the pan.
    Maybe I'll take off the avatar's trans pan and weld a bung in, and while I'm at it, a drain plug.
    73RR, I have a copy of the Transmission Exchange's chart stapled to my garage wall to scare the hell out of me, so I make sure to install a trans temp gauge .
     
  12. tommyd
    Joined: Dec 10, 2010
    Posts: 11,999

    tommyd
    Member
    from South Indy

    This is true^^^^^^^^^I took mine out and put it in the kids race car.
     
  13. 73RR
    Joined: Jan 29, 2007
    Posts: 7,342

    73RR
    Member

    Drain plug is a must.
    Apparently you and I are the only ones who can't afford an early trans rebuild...;)

    .
     
  14. sweets gasser
    Joined: Jul 28, 2011
    Posts: 5

    sweets gasser
    Member

    nonsense.an auto trans with temps like that could even flame.ignorance is not bliss,its in some cases a $4000.00 repair bill.a properly cooled trans is from 150 to 200 degrees, 250 max for short periods.any hotter,find the problem and remedy it.
     
  15. sweets gasser
    Joined: Jul 28, 2011
    Posts: 5

    sweets gasser
    Member

    cyberus,the higher stall causes the higher temp.a tranns can run 175 all day long and live for years.i have been in this car stuff for over 45 years and have found that alot of (well meaning perhaps)people just do not know what they are talking about period!you're trans is fine,
     
  16. xxzzy999
    Joined: Apr 8, 2011
    Posts: 143

    xxzzy999
    Member

    Best place to install the temp sensor is in return line from cooler back to the transmission per Phoenix Transmission Products http://www.phoenixtrans.com/

    Regards,
    X
     
  17. Hnstray
    Joined: Aug 23, 2009
    Posts: 12,357

    Hnstray
    Member
    from Quincy, IL


    hat may be their recommendation, but I respectfully disagree. While it may be nice to know how cool the returning fluid is, the real important info is how hot is the transmission getting...and that is best determined by either the pan fluid temp or the EXITING fluid temp.

    Ideally one would know both the exiting fluid temp and the returning fluid temp to verify the cooler is doing it's job. However, knowing that the operating temp is too high tells you the cooler is inadequate and improvements are needed. Conversely, if the temp is in the desired range, the cooler is sufficient.

    Ray
     
  18. xxzzy999
    Joined: Apr 8, 2011
    Posts: 143

    xxzzy999
    Member

    B&M also recommends placing the temp sensor in the return line in their installation instructions for their gauges and sensors.

    http://www.bmracing.com/PRODUCTS/Co...Transmission-temperature-gauge-kit-white-face .. then see "installation instruction .PDF"

    I'll go with the experts :)

    Regards,
    X
     
  19. IIRC, some transmissions have a pressure test port you can put the sensor in, but that may be GM only.
     
  20. Hnstray
    Joined: Aug 23, 2009
    Posts: 12,357

    Hnstray
    Member
    from Quincy, IL

    so, you are ***uming I am not!!!! :D

    I understand your position, and I should have hedged in my reply a bit.....just saying what seems logical to me and why.

    Perhaps it depends on WHAT temperature is recommended and WHERE it is being monitored. Is the chart in the previous post referring to pan temps or return line temps? ? This is one of those "when all else fails, read the instructions" moments ! :eek:

    Ray MERRY CHRISTMAS TO ALL !
     
  21. 26 roadster
    Joined: Apr 21, 2008
    Posts: 2,020

    26 roadster
    Member

    I put mine in the pan, 283/ glide with 12 qt and harrison cooler, never got hotter than the water. Later did the same thing with stock pan and no cooler, still never got hotter than the water?
     
  22. xxzzy999
    Joined: Apr 8, 2011
    Posts: 143

    xxzzy999
    Member


    Heck... I only know what they tell me... I'm certainly no expert.

    My opinion is that you could probably put the sensor in any of the locations mentioned, and that by watching for any significant change from a normal reading so as to alert you that something might be wrong.

    Merry Christmas!

    Regards,
    X
     
  23. gimpyshotrods
    Joined: May 20, 2009
    Posts: 24,525

    gimpyshotrods
    ALLIANCE MEMBER

    Many do have a pressure test port, but I am not sure I would put the temperature sensor there. Seeing how dainty many of them are, I am not sure that they would handle the pressure delivered at that port. It could end up ugly:eek:.
     
  24. Muttley
    Joined: Nov 30, 2003
    Posts: 18,501

    Muttley
    Member

    Thats how I did mine in my old Camaro. Took about 15 minutes and 15 bucks worth of fittings from the local hardware store.
     
  25. sweets gasser
    Joined: Jul 28, 2011
    Posts: 5

    sweets gasser
    Member

    hnstray.the very reason you put it in the return cooling line is you want to know exactly how hot/cool the fluid is going back in.this fluid moves fairly fast.not like jello.in the pan (NOT).the cool fluid is pouring in on the senser.hot feed (NOT) the fluid needs to quickly get from trans,to cooler to back to trans to keep everything cool period.even the manufacturers who designed them have spent tons of hours under all kinds of lab and real world conditions.you could put a gauge in both lines.waste of money/piece of mind just my 2 cents.they make them,follow their directions.
     

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