93- Oil Filter Cooling Line Question

Discussion in 'Engine Performance + Maintenance' started by SweetNLo, Jun 28, 2020.

Car Parts
  1. SweetNLo

    SweetNLo Newbie

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    I just removed my 350 tbi motor from my 93 C1500. My Dad and I are installing a crate 350 with Vortec heads in the truck. The stock motor has two oil filter cooling lines going to it. The crate motor doesn't have the same setup. 1) Can I switch the cooling line setup over to the crate motor? 2) If so, any advice on how to switch over the setup? 3) If I can't make the switch, does anyone have advice on how to get around this difference? Thanks for any help!

    Silverado 5.7 (1).jpg
     
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  2. mtl111

    mtl111 Newbie

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    The aluminum housing that the oil cooler lines go into on the block can be removed and put on your other engine. There are a couple bolts that bolt it to the block. If those lines are the normal quick disconnect type "hard to tell in the pic" i would advise getting the new fittings from the dealership and putting them in before the swap. The old fittings can leak, clips can fail then really bad things happen!
    On the new engine, there should be a small aluminum oil filter adapter bolted to the block, remove it, bolt up your old oil cooler housing.

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  3. alpinecrick

    alpinecrick I'm Awesome

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    The 2wd and 4wd have the filters oriented differently--the 2wd filter is vertical, the 4wd filter is horizontal. As mtl said swap out the adapters/housing.

    The GM quick connects have an O-ring in them and they will deteriorate, installing new O-rings will generally stop any leak(s). Although the quick connects are almost a bigger PIA than regular flare fittings.
     
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  4. Busted Knuckle

    Busted Knuckle OBS Enthusiast

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    My oil cooler adapter at the engine had plugs over the bolt heads. We ground down an old 3/8" extension until they fit the square plugs. WTH size is that anyway?

    Also be aware you will have to use the knock sensor from the orig motor if you keep the TBI. Anything wrong with the KS and the controller will turn up the trans pressure to max.
     
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  5. SweetNLo

    SweetNLo Newbie

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    Thanks for your detailed insight!
     
  6. SweetNLo

    SweetNLo Newbie

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    Thanks for the help.
     
  7. SweetNLo

    SweetNLo Newbie

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    Would you recommend replacing the oil cooler lines along with the fittings? I was looking around on RockAuto and it's about $60 for new lines. I found these fittings. Are these the fittings you were talking about? https://www.rockauto.com/en/moreinfo.php?pk=3618480&cc=1031331&jsn=567&jsn=567 Thanks!
     

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