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Thread: 46RE- Aux trans cooler, AN fittings, new braided hard lines & check valve delete

  1. #1

    Default 46RE- Aux trans cooler, AN fittings, new braided hard lines & check valve delete

    What's up guys, I'm new to the forum and I have no be honest. I don't currently own a Dak. (5.9+5spd dak. build in future), I'm a Jeep guy, but Mopar or No Car.

    One of my current builds is a 98' Jeep Grand Cherokee ZJ 5.9 Limited that is going to be only street/track. I bought it about a year and half ago for dirt cheap in subpar condition with 190k on it. I've done all maintenance and some upgrades since. I also rebuild the trans. last summer via Cascasetransmissionparts.com, Summit and Amazon.
    - All clutches/ friction discs
    - All gaskets/seals
    - HD front/reverse bands
    - HD band anchor/strut
    - HD Borg. Gov. Pres. solenoid
    - Mopar Gov. Pres. sensor
    - TCC/OD lockup wiring harness
    - Sonnax billet 2-3 accum. piston
    - HD 3-4 accum. spring
    - SHIFT mag. billet front servo
    - SHIFT billet reverse servo
    - Transgo diesel shift kit (slight exaggerated porting)
    - New TC
    - B&M deep pan
    - Mopar reusable gasket
    - Glowshift MaxTow trans. gauge

    For my trans. cooler I went with a B&M 70298 Hi-Tek Supercooler w/ fan and i'm going to run all new SS braided lines from the cooler back to the trans., deleting the hardlines + check valve. I've been researching anyone whose done full lines on an 46RE and haven't come across any write up's or even picture's so I thought i'd take a shot at it. I'm still waiting on all my fittings and lines so I will post pics on install when I receive them.

    If anyone else is running custom lines please feel free to post pics or give suggestions!

  2. #2

    5 NINER's Avatar
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    I haven't done it but I'm interested to see how it turns out.

  3. #3



    ScojoDak's Avatar
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    B&M plate style here bypassing radiator. No check valve. AN line from cooler to bellhousing area. Then crimp/AN fittings to hardline.

    tranny_cooler.jpg
    If you haven't lived for something, you'll die for nothing.

  4. #4



    DRTC Member

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    Braided SS lines here.
    Just get measurements and head to a hydraulic hose shop.
    11.27 @ 118.23
    TB Spacer and CAI

  5. #5

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    Quote Originally Posted by ScojoDak View Post
    B&M plate style here bypassing radiator. No check valve. AN line from cooler to bellhousing area. Then crimp/AN fittings to hardline.

    tranny_cooler.jpg
    Nice, those support bracket make it a very clean mount.

  6. #6

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    Quote Originally Posted by Adobedude View Post
    Braided SS lines here.
    Just get measurements and head to a hydraulic hose shop.
    Did you run supply/return up the pass side or split them?

    Depending on room i'm considering running the cooler upright and splitting them 1 on either side of the frame rail.

  7. #7



    DRTC Member

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    Your cooler is mounted in the correct position, I have a 727, but the lines head straight to the cooler.
    11.27 @ 118.23
    TB Spacer and CAI

  8. #8

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    I'm using this one with AN hose

    https://www.summitracing.com/parts/der-13960

    Mounted where the spare tire carrier was.


    408, HiPoTek, FRP Tuning, Martin Saine 46re
    12.33 @ 110

  9. #9

    Osee's Avatar
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    Quote Originally Posted by ScojoDak View Post
    B&M plate style here bypassing radiator. No check valve. AN line from cooler to bellhousing area. Then crimp/AN fittings to hardline.

    tranny_cooler.jpg
    Pat from SMR gave me shit for wanting to run a plate style cooler with my new 727, and said it would void warranty. Although I ran a derale plate style on my 46re without issue. I just didn't want to void warranty on a $6000 trans.


    Mods - TB Spacer, Short Throw Dipstick, Performance Auto Zone Intake "0.30 over bore", V-tech, R/T Cam, Performance Chip

    Rev limiter? that's what valve springs are for!

    Car Build Thread https://www.forabodiesonly.com/mopar...ost-1971625458

  10. #10



    ScojoDak's Avatar
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    Quote Originally Posted by Osee View Post
    Pat from SMR gave me shit for wanting to run a plate style cooler with my new 727, and said it would void warranty. I just didn't want to void warranty on a $6000 trans.
    Don't blame you
    If you haven't lived for something, you'll die for nothing.

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