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01-19-2009 | #1 |
Join Date: Oct 2008
Location: Colleyville, TX
Posts: 272
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Stock Exhaust
What does a 90 stock exhaust look like? Mine has two pipes from the catalytic converters into a premuffler(?) then into two mufflers and four rectangular tips. I know the tips are right, but did the Z have true duals?
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01-19-2009 | #2 |
Join Date: Nov 2007
Location: Sunshine State
Posts: 1,071
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Re: Stock Exhaust
Sounds about right to me. The pre muffler as you say is called a resonator.
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01-20-2009 | #3 |
Join Date: Oct 2004
Location: Folsom CA
Posts: 1,654
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Re: Stock Exhaust
If you look into the exhaust tips you will discover that the outside pair are not as dark as the inside pair.
That's because they're fake. TomC "Crabs"
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TomC '90ZR1 #792 Honorary Pirate [B]If it ain't FUN, you're doing something terribly WRONG. [/B] |
01-20-2009 | #4 |
Join Date: Oct 2008
Location: Colleyville, TX
Posts: 272
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Re: Stock Exhaust
Thanks for the posts. I spent two evenings stripping aluminum paint from the exhaust and a thick layer of semi-gloss black from mufflers and tips. A previous owner must have "restored" it, as the paint was on pretty thick.
BTW, for "stainless steel" it's not very stainless. Any ideas on how to remove the corrosion without ruining the manufacturing marks? Jim |
01-20-2009 | #5 |
Join Date: Dec 2004
Location: Jacksonville, FL USA
Posts: 4,645
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Re: Stock Exhaust
My 90 still has it's OEM exhaust and my muffler cans came with black paint(?) on them. I think it's to make them "disappear".
I'm not positive, but is our system s/s? Maybe 2% if it is, or maybe it's an alloy with aluminium.... I know in a moment of guilt I attacked my front pipes with some Never Dull wadding & a costco m/fiber. It took quite awhile to get it to look like I was doing anything. I was eyeing up the Mothers Mag & Aluminium polish, but then decided that I drive mine too much. Tom
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1990 ZR-1, Black/grey, #2233, stock. ZR-1 Net Reg Founding Member #316 & NCM member |
01-20-2009 | #6 |
Join Date: Dec 2007
Location: Reston, Virginia
Posts: 939
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Re: Stock Exhaust
The OEM finish for the tubes is natural dulling, but I found there were two ways from BG the cans and tips were finished... just satin/flat black at back of cans and tips or satin/flat black for entire can and tips...thus this pic>>>
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Michael :cheers: [I][SIZE="2"]1990 RED on RED #566[/SIZE][/I] [I][SIZE="2"]WAZOO MEMBER[/I][/SIZE] |
01-20-2009 | #7 |
Join Date: May 2005
Location: Leesburg, VA
Posts: 2,713
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Re: Stock Exhaust
The resonator has two pipes going through it, though they share the packing material. I'd consider that true-duals with some crossover. They don't ever dump into a single pipe.
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Bob Saveland Former owner of #2517 [IMG]http://a.random-image.net/aurora40/vette.jpg[/img] |
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