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Return oil line size. rearmount

This is a discussion on Return oil line size. rearmount within the Forced Induction forums, part of the LSx Technical Help Section category; OK. After a long struggle I'm going to finish this rearmount Turbo. My only question now is simple. What size ...

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    Member JAX04's Avatar
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    PBM 366ci TC78 E85
    2004 Pontiac GTO PBM A4

    Return oil line size. rearmount

    OK. After a long struggle I'm going to finish this rearmount Turbo. My only question now is simple. What size line to us from the Turbo to the oil return pump. I have a -8an line currently but was wondering if that's too big. Most setups I see run like a. 5" line. Is my -8 or maybe its a -10 to big to go from Turbo to pump? The pump is mounted higher then turbo.

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    Member JAX04's Avatar
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    PBM 366ci TC78 E85
    2004 Pontiac GTO PBM A4

    guess ill just try it and hope is doesnt create a problem that i dont notice.

  3. #3
    Senior Member JoshuaGrooms83's Avatar
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    Red
    98 Trans Am

    im using a 4an feed and a 10 an return line into the pan

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