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Thread: Transmission oil cooler

  1. #1

    Default Transmission oil cooler

    Any tips or ideas on an external transmission oil cooler

  2. #2
    Member tbear853's Avatar
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    I have an auxiliary cooler on my '95 T-bird, my '01 Mercury GM, my '77 F-150, and my '07 FX4 has a large factory one with it's heavy towing package. The one on my '77 has been on it since the late 1980s, it is behind the radiator but ahead of the fan. The Mercury and T-bird got their's maybe 5-6 years ago. When I add one, I add it in the return line to the transmission. I also use at least 2, often 3, and maybe sometimes 4 ... screw type hose clamps.
    5 is OK too.
    Reminds me, I should order some new trans lube fluid rated hose for the truck, getting some age on it.
    Last edited by tbear853; 09-12-2021 at 11:41 PM.
    No ... I'm not arguing with you ... I'm just explaining why I'm right ...

    Now go ... and whatever you do ... have a safe trip!

  3. #3
    2 decades of DDing Box Panthers, now in a Whale VicCrownVic's Avatar
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    I have a Hayden 699 that I will probably get around to installing next year. I found cooler mounting brackets from certain GMT400 trucks ('88-'98/'99) with the Hayden 699 look like it will be really close to a perfect fit.
    Vic

    ~ 1998 Mercury Grand Marquis LS - new DD
    ~ 1991 Mercury Grand Marquis LS "The Scab" - plenty of rot, backup/summer cruiser
    ~ 1997 GMC Yukon SLT - wannabe winter DD - many issues, returning sometime in the 2020s
    ~ 1991 Mercury Grand Marquis GS "The Ice Car" - Rotting Retired Winter DD
    ~ 1989 Mercury Grand Marquis GS - Rotting Retired DD
    Gone but not forgotten:
    ~ 1988 Country Squire ~ 1987 Ford Crown Vic

  4. #4
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    This is a page from B&M catalog

    Click image for larger version. 

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    ..

  5. #5
    Member tbear853's Avatar
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    On my '01 Mercury GM, the '95 T-bird is simular.
    Attached Thumbnails Attached Thumbnails cooler under.JPG   lines for cooler.JPG  
    No ... I'm not arguing with you ... I'm just explaining why I'm right ...

    Now go ... and whatever you do ... have a safe trip!

  6. #6
    Beater gonna beat sly's Avatar
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    Here's what was on my 93 and the current one I put on. Hayden 678 cooler. It's overkill for sure, but this car was my tow rig at the time, so I went with "it ain't done until it's overdone." The old cooler was put on by the trans shop that rebuilt the trans at 106K miles. I now have almost 260K miles on it and just needed to replace the torque converter once around 200K.

    Quote Originally Posted by sly View Post
    Cake has an upgraded trans cooler (a real one now) and trans fluid temp gauge.

    old cooler:
    Attachment 47366

    new one in:
    Attachment 47365

    Temp sensor:
    Attachment 47367

    Gauge:
    Attachment 47368

    Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein
    rides: 93 Crown Vic LX (The Red Velvet Cake), 2000 Crown Vic base model (Sandy), 2003 Expedition (the vacation beast)
    Quote Originally Posted by gadget73
    ... and it should all work like magic and unicorns and stuff.
    Quote Originally Posted by dmccaig
    Overhead, some poor bastards are flying in airplanes.

  7. #7
    Member of the Orb Alliance packman's Avatar
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    I used a Flex-a-lite transmission cooler with the -6AN fittings. I'll get the part# for it when I get home as I can't find it on their site.

    http://www.grandmarq.net/vb/showthre...oria-LX/page18

  8. #8
    fomoco panthers !
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    I have used the Hayden cooler. They work good. My favorite is a Crown Vic. Police package cooler. Complete with the mounting brackets and fittings. Fairly cheap if you get one from a Pick a part type wrecking yard .

  9. #9
    Member sluggish91's Avatar
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    I also run an auxiliary transmission cooler in my 85. It was an inexpensive addition, easy to install, and serves for some peace of mind.
    1985 2-Door
    CFI, K&N Filter, Edelbrock Performer 289 Intake, E7 Heads, BBK Shorty Headers, Summit H-pipe, Hooker Max Flow Mufflers, E-Fan, 3G Alternator, Race Crank Pulley, Bilstein Rear Shocks, KYB Front Shocks, Front Lowering Springs, FTI 2400 Stall Converter, PA Performance Valve Body, Motive 4.30 Gear, Eaton LSD Differential - I own quite possibly the fastest CFI powered box to the 1/8th mile: 9.95@68.89mph

  10. #10
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    I have the B&M hi tek with a fan, the bigger model. I have a high stall converter and 4.10 gears so i want to make sure atf stays cool. AN-6 stainless lines and fittings. Also have a deep pan and temp gauge.
    I had it mounted in the Panther and it was fairly easy with plenty of room.
    I am actually trying to fit it on the zephyr now and it is much more challenging. Very little room because of the older style bumper and nowhere to hide it.
    ..

  11. #11

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    I really appreciate all the help I also forgot to mention that I have a 88 tc stock... gonna play with the stock block before I eventually swap engine and trans

  12. #12
    Beater gonna beat sly's Avatar
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    I did the same cooler setup (no gauge) on the 88 MGM I used to have.

    Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein
    rides: 93 Crown Vic LX (The Red Velvet Cake), 2000 Crown Vic base model (Sandy), 2003 Expedition (the vacation beast)
    Quote Originally Posted by gadget73
    ... and it should all work like magic and unicorns and stuff.
    Quote Originally Posted by dmccaig
    Overhead, some poor bastards are flying in airplanes.

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