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Removed UIM wonder what those holes are

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Old 11-02-07, 12:40 AM
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OMG ITS A TRIANGLE!

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Removed UIM wonder what those holes are

ok so i removed my UIM and everything else to be swapped onto my new engine.


the UIM ( one hole is covered i think thats normal)


New Engine with the holes plugged


old engine and the holes are open

so i was wonder what those holes are and if its ok to leave it blocked?

thanks, William
Old 11-02-07, 01:16 AM
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OMG ITS A TRIANGLE!

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the circle holes to be correct
Old 11-02-07, 01:18 AM
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R.I.P Mark( Icemark )

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They feed coolant threw your manifold to the turbo.
Thanks Robert
Old 11-02-07, 01:21 AM
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OMG ITS A TRIANGLE!

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oo thanks, time to open up the hole XP
Old 11-02-07, 04:24 AM
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Originally Posted by FuStEr
oo thanks, time to open up the hole XP
goodluck.....

Look like the previous owner blocked off coolant line to the turbo. He prolly had like an larger turbo but oil cooled, not water cooled. But anyways good luck on that.
Old 11-02-07, 08:01 AM
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The rotor housings with the water passages *plugged* are non turbo rotor housings....most likely.

If you drill out the rear coolant passage, then where will you install the o'ring to keep the water from leaking out? There's no place for the o'ring to seat on the non turbo housing.
Old 11-02-07, 05:38 PM
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its actually only silicone stuff plugged
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