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1987-1991 Parley with regards to your 1987 to 1991 Bonneville, Olds 88 or Buick Le Sabre Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 03-12-2006, 04:44 AM   #1
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So some of you may remember the iceburg story...and I said that I would take some pics of the repair so with out further adue...

I know this does not look that great- but there was a crack that went all the way around the pipe and there was about an inch of metal holding on the top. the lower portion was slightly dented (hard to tell form the pic) due to the ice damage
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The view going down. note the hose clamp holding the heat sheild- been like that for a while. nice to have the "rigging" gone now.


The rusted banged up remains
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Comparison of exhaust rings, old on left, new on right


The new migged in place
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mmmmmm


So in total, with full replacement, GM OEM and my friends labour $200. Knowing it was done right, and I got to help.....Priceless!
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Old 03-12-2006, 06:43 PM   #2
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looks good.

any sound/mpg differences?
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Old 03-12-2006, 08:51 PM   #3
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Glad you got er done Mike .Looking Good, stay outta the ice LOL
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Old 03-13-2006, 02:18 AM   #4
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Quote:
Originally Posted by corvettecrazy
looks good.

any sound/mpg differences?
It actually sounds a bit quiteter, but changing the exhaust seal helped too.

Me too John. Hopefully no more ice for a while!
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Old 03-13-2006, 02:23 AM   #5
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Quote:
Originally Posted by Mike G
Quote:
Originally Posted by corvettecrazy
looks good.

any sound/mpg differences?
It actually sounds a bit quiteter, but changing the exhaust seal helped too.

Me too John. Hopefully no more ice for a while!
I have done the high flow cat on 2 of my 3.8 cars and yes I noticed at least 1mpg along with being able to "feel" the boost. but these cars were over 100,000 miles and OEM.
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Old 03-13-2006, 02:27 AM   #6
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is your new downpipe kink bent?
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Old 03-13-2006, 02:27 AM   #7
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The flow is definitly better, and it just pisses water out the pipe, unfortunatly I had to remove the delco ICM a few days ago- as it was not working for some reason. magnavox back on for now :(
whats your other 3.8 car Hans?
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Old 03-13-2006, 02:30 AM   #8
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Quote:
Originally Posted by harofreak00
is your new downpipe kink bent?
Bent how? It actually slipped into place beautifully. The whole thing just all fit together, like it was ment to be.
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Old 03-13-2006, 02:35 AM   #9
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Quote:
Originally Posted by Mike G
Quote:
Originally Posted by harofreak00
is your new downpipe kink bent?
Bent how? It actually slipped into place beautifully. The whole thing just all fit together, like it was ment to be.
kink bent (no idea if thats the correct terminology) is like you have posted above...

mandrel bent is like this... no ripples... so therefore it flows better
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Old 03-13-2006, 02:43 AM   #10
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Quote:
Originally Posted by harofreak00
Quote:
Originally Posted by Mike G
Quote:
Originally Posted by harofreak00
is your new downpipe kink bent?
Bent how? It actually slipped into place beautifully. The whole thing just all fit together, like it was ment to be.
kink bent (no idea if thats the correct terminology) is like you have posted above...

mandrel bent is like this... no ripples... so therefore it flows better
I see what you mean Haro-
Hows this look?
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My buddy- had actually asked me if the original one had the "kink" bend as the one he got for me was mandrel bent. Looks way better too.
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