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Thread: -6 cooler fittings on 4L60

  1. #1
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    -6 cooler fittings on 4L60

    I've been looking around for the appropriate AN-6 fittings for my 4L60 and haven't had any luck. My plan is to run -6 lines from the trans to the tru-cool trans cooler since the stock trans cooler lines are contacting the downpipe. Does anyone know what fittings will produce a -6 male fitting on the 4L60?

    ~ Forged engine of some type ~ Ball bearing turbo of an unconfirmed size ~ 4L8000 trans ~ Beefy fuel system ~

  2. #2
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    Towers racing products has them, along with a few others.
    single digit street truck


    for build info

    http://www.ls1truck.com/forums/my-ga...cs-garage.html

    The best advice I have ever heard:... Only take B( . Y . )ST advice from someone that is CURRENTLY running a turbo setup close to, or bigger than what you want......

  3. #3
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  4. #4
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    Jegs has them as well
    2000*GMC longtubes nelson tune, built trans,trutrac circle d 278 mm stall 373 posi,100 shot of dope and 228 232 588 595 cam.

  5. #5
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    www.sweetperformance.com. They are straight thread not pipe thread too BTW.
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  6. #6
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    I just bought some for the exact same thing as your doing, I have pictures on build thread of them actually. I bought mine at Summit Racing, $16.99 each, the part number is 925137 and they are by ATI. I also ran -6 AN lines from the trans. to my cooler as well.

  7. #7
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    Thanks for all the replies. Does anyone know what fittings I'd have to use to run a -6 line into my 40K trucool trans cooler?

    ~ Forged engine of some type ~ Ball bearing turbo of an unconfirmed size ~ 4L8000 trans ~ Beefy fuel system ~

  8. #8
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    Here's a list of all the fittings I bought to run my lines

    FRA-491956-BL 2
    SUM-220647B 2
    SUM-220686B 1
    SUM-220687B 3

    Quantity is the number to the right

    95 C1500 LM7, built 4L60e, Circle D 3200, LT's, Nelson tune, open differential, 3.42, and LS1 e-fans. Tractionless

  9. #9
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    Quote Originally Posted by TurboMic View Post
    Towers racing products has them, along with a few others.
    X2 for towers racing. Plus he is 5 minutes from me and stocks a lot of stuff.

  10. #10
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    One more thing......does anyone know which port on the side of the trans is the supply? Top or bottom?

    ~ Forged engine of some type ~ Ball bearing turbo of an unconfirmed size ~ 4L8000 trans ~ Beefy fuel system ~

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