EGR Reinstallation and Sleeving UIM - Page 2 - 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 03-01-2006, 11:42 PM   #11
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Quote:
Originally Posted by big_news_1
Should I just install the smaller stovepipe and call it good?
That will give you the same fix everyone else gets when they put in a new upper. Gonna get 40,000 miles probably - maybe lots more. But if you sleeve it properly, it should last much longer - maybe as long as the engine.

Or....you could be the horse for a new test. I could press a stainless steel ring on the Dorman rd pipe to fit in your .750 bore. That'll give you a .122 air gap. That'* twice what you get from GM, and the same air gap the 99+ guys get when they install the new Dorman pipe.

Still not as good as a sleeved upper, though. And reaming like Dillon does is best, even with a new one.
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Old 03-02-2006, 12:28 AM   #12
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I guess I'll go ahead and sleeve it... I'm just a little tentative cutting up a good UIM! Doug will be babysitting me though, lol. I'm sure it will turn out fine. I would bring it over to you Bill, but I'll be doing the work in Muscatine.

Thanks for the heads-up on the exhaust gaskets, Mike. I think they're uniform gaskets throughout, so I should be fine.

The thing about scanning for KR after the reinstall....... um........ yeah........... I sold my scanner to lash, so I have no way to know if any of this works

Hey, I need the money if I want a custom tune!
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Old 03-02-2006, 01:32 PM   #13
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Lol, I could always send it back to you to use for a small rental fee, plus the 2nd day shipping it would take to get it to you by Monday. I'm only slightly joking and would work with you, a solid fellow BC member, to help see the results...
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Old 03-02-2006, 04:49 PM   #14
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Hmmm.... I might think about it, but I know some guys who live around here with scantools. I'll only contact you if worst comes to worst and I have no other way to find a local scanner. I really appreciate the gesture, though!

How'* that sucker working, by the way?
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Old 03-02-2006, 04:51 PM   #15
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Ben..I talked to him this weekend..I think he spends all hours away from work watching it.
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Old 03-02-2006, 04:56 PM   #16
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Quote:
Originally Posted by BillBoost37
Ben..I talked to him this weekend..I think he spends all hours away from work watching it.
LOL!!

Actually, I have only had a chance to hook it up in the driveway and check it out. It is an awesome piece of equipment! I need to take the time to read up on it a little, then get my friend to drive while I watch the scanner. Future thrills await...
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Old 03-02-2006, 05:20 PM   #17
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Quote:
Originally Posted by lash
I need to take the time to read up on it a little, then get my friend to drive while I watch the scanner. Future thrills await...
Absolutely! Any time Doug (MyLittleBlackBird) and I were driving my car somewhere, we had the scanner plugged in watching KR, fuel trims, misfires, load percentage, and all the other fun stuff. I must admit that I would also try to watch it when driving alone... . Be careful if you attempt this, lest you freak out the oncoming traffic by slowly veering into their lane . Read through that owner'* manual, and you should be good to go!


Is there any other advice before I try to sleeve this UIM tomorrow night?
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Old 03-03-2006, 12:53 AM   #18
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After you cut the manifold for the sleeve, make sure to rough up the surface of the new hole with #320 sandpaper, then wash the manifold thoroughly with soap and water before using the epoxy. This is to give the epoxy some grip on the plastic.

Take your time cutting. Don't overdo it. I use an ID of around .881, which is .006 over 7/8" to give some room for the epoxy to grip the sleeve. Cut until the sleeve is just a light press fit, and then a little bit more.

Good luck, PM me if you get stuck or e-mail me and we'll talk on the phone. .
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Old 03-03-2006, 01:28 AM   #19
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Quote:
Originally Posted by big_news_1
Is there any other advice before I try to sleeve this UIM tomorrow night?
don't mess up?
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Old 03-03-2006, 09:24 AM   #20
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I agree, take your time and things will go well.

If they start to look bad, step back and look at the problem differently.
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