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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 04-24-2008, 04:04 PM   #21
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with new oil and plugs a few times, as well as the gaskets etc, cost me over 400.00 so far, im going back over the torque speqs now.
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Old 04-24-2008, 04:14 PM   #22
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Quote:
Originally Posted by red bonnie
with new oil and plugs a few times, as well as the gaskets etc, cost me over 400.00 so far, im going back over the torque speqs now.
ouch,



be careful not to swap inch #* with foot #*. thats a common misshap that can really ruin a weekend.
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Old 04-24-2008, 04:25 PM   #23
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if one of the lower inside intake bolts were loose, could that put the coolentup into the plenum?
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Old 04-24-2008, 04:30 PM   #24
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where the stove pipe goes into the upper plenum, i can see that throttle body gasket, does this mean my plenum is screwd? could this be my problem its all melted inside there
?
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Old 04-24-2008, 04:40 PM   #25
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Can you post some pics? That would really help us.
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Old 04-24-2008, 05:10 PM   #26
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Name:  stovepipeplenum001.jpg
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Size:  163.3 KB

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Old 04-24-2008, 05:12 PM   #27
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Quote:
Originally Posted by red bonnie
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Old 04-24-2008, 05:15 PM   #28
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that doesn't look good.

can you get a better pic of where the egr goes, with the upper gasket removed.
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Old 04-24-2008, 05:46 PM   #29
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note the small hole and the wide gap,, burnt threw

[img][IMG]
http://i274.photobucket.com/albums/jj274/redbonnie/stovepipeplenum222002.jpg[/IMG]

[/img]Name:  stovepipeplenum222001.jpg
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Old 04-24-2008, 10:33 PM   #30
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Yep, that upper is toast. And it is certainly leaking coolant. That'* why we wanted to know if you had changed the upper intake. The UIM we recommend is gonna set you back about $115 delivered to you from APN. That is a kit that includes the UIM gasket, o-rings, brake booster vacuum fitting, new top for the PCV chamber, and two reduced diameter stovepipes for your LIM. (You would use the pipe with the larger base.)

If, by now you are out of money, and if you have the time, you can repair the perforated upper yourself with a stainless steel sleeve and JB weld using the method described here for about $25. http://www.bonnevilleclub.com/forum/...ic.php?t=33565

You can take an upper that looks like this:
Name:  9plugholes.jpg
Views: 1
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And repair it so that it looks like this:
Name:  viewfromtop.jpg
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Size:  68.4 KB

You can re-use the new UIM gasket you just bought. It will work fine. If you are interested in trying this, I can provide you with the parts you will need. PM me if interested.
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