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Thread: Turbo Oil Lines - NPT and Hardline ?'s

  1. #1
    Join Date
    May 2012
    Location
    Michigan
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    10

    Turbo Oil Lines - NPT and Hardline ?'s

    New-b to the forum here...

    Finishing the plumbing on my twin 60mm 5.3L in an '86 K10... I will be running hardlines for the turbo oil feed and drain and I am wondering will I have any problems with compression fittings on the lines? How about using all NPT rather than AN?

    I do alot of hardline grease systems and have all the stuff readily available (aka free).

    Pics are always cool.

    Thanks for the help!

  2. #2
    Join Date
    Dec 2007
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    Ponca City
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    1,606
    As long as size and setup of the lines are correct I don't see any issue...
    Slowest in Oklahoma...

  3. #3
    Got any pics of the setup Luke?

  4. #4
    Join Date
    May 2012
    Location
    Michigan
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    Here are a couple from a few weeks ago of everything tacked together. I've got the hot side all off now finishing it up with the tig.
    Attached Images
    1986 K10 Silverado RCLB - '02 LM7 - Twin 60-1 - FMIC - FIC 1000CC Inj. - 39.5" Boggers

  5. #5
    Join Date
    Sep 2011
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    1,235
    Very nice looking set up!
    99 rcsb silverado...... boosted.

  6. #6
    Join Date
    May 2012
    Location
    Michigan
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    Thank you. Hoping to get it finished up and on the dyno this early summer.
    1986 K10 Silverado RCLB - '02 LM7 - Twin 60-1 - FMIC - FIC 1000CC Inj. - 39.5" Boggers

  7. #7
    Join Date
    Mar 2003
    Location
    San Antonio, TX
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    11,038
    Looks good. Truck will make some good power.

    fwiw, i run -3 line, T'd off to two -3 lines.
    never had an issue.

  8. #8
    Join Date
    Mar 2013
    Location
    Edmonton, AB, Canada
    Posts
    133
    37 degreeJIC fittings would work aswell. They are interchangable with AN fittings and alot cheaper. Although they are typically steel
    Back Alley Motorsports 98 GMC
    -5.3l LM7 bored to 5.7l Thompson Motorsports -72mm T4 Magnum Turbo
    -TU1 Custom Grind cam(spec speed.inc) -799 heads
    -.660" Trick Flow dual valve springs -Forged Probe Pistons 3.902" flat top

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