Guys, I need UIM cores! - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 03-19-2006, 09:49 AM   #1
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Default Guys, I need UIM cores!

I Just shipped out my last sleeved upper, guys. If any of you have a bad Seres II UIM lying around, please take a moment to box it up and send it to me. I'll pay freight to 95020.

I like to have a few done and ready to ship for when the inevitable happens.

Thanks!
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Old 03-19-2006, 11:05 AM   #2
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Sticky for you Bob. We appreciate the work you do for everyone here.
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Old 03-19-2006, 11:20 AM   #3
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Hey, thanks, Will!
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Old 03-19-2006, 11:26 AM   #4
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Mine will be on its way asap! Thanks for that last UIM!
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Old 03-19-2006, 11:32 AM   #5
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Brandon, you ****. You took the last one! Glad you got a good solution.

It would be cool to see about 5 cores sitting on the shelf. I smell increased demand for these.
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Old 03-19-2006, 02:05 PM   #6
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I'll watch for them around Flint. In these parts the 3800 is so popular that they're easy to find.

My sleeved upper is working great! Almost 30,000 on her and not one issue!
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Old 03-24-2006, 01:27 AM   #7
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Can't seem to find it anywhere one here, and this appears to be a decent place to ask: what exactly are you doing to these things? Pictures help my simple mind
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Old 03-24-2006, 09:19 AM   #8
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He'* sleeving the EGR port on the UIM. It is an extra barrier of protection against the hot exhaust gases directly on the plastic compostite upper.
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Old 03-24-2006, 09:49 AM   #9
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Quote:
Originally Posted by Logan
Can't seem to find it anywhere one here, and this appears to be a decent place to ask: what exactly are you doing to these things? Pictures help my simple mind
A simple search on UIM and Bob Dillon found this thread:
Sleeved Upper Intake

Here'* the excerpted pictures:
Quote:
Originally Posted by Bob Dillon
Thanks, Bill. Here are the pictures.

Here'* the UIM after returning from the machinist. Note that at .875, there was one small breakthrough into water. I stuck a paper clip into the hole to make it apparent.



top view of first photo. I think instead of reaming the manifold, the machinist decided to ream me. Note that it'* a bit off-center. About .015, I'd say.



My dirtball sleeve sits atop the upper, ready for installation. I used some #320 wet-or-dry sandpaper to rough up the hole a bit to give the JB weld some tooth for good adhesion. Wound up with a very light press fit.



All done. Note that the sleeve sticks up into the airstream quite a bit. This is for the cooling effect by the rushing intake air mentioned in previous posts.



I believe Bob has posted better pics somewhere, but this gives you the right idea.
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Old 03-26-2006, 01:04 AM   #10
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'ppreciate it.
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