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Formerly bb80sc
Join Date: Aug 2001
Location: Hollywood Beach, CA
Posts: 4,361
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'74 Muffler question....
I just received a '74 SS muffler, dual in, single out. There is a little tube coming off the muffler near the passenger side inlet. Looks like I'll need to block this off for use on my 80SC. Anyone know of a part to do this with? Looks like a 1/2 in AN fitting of some sort.
Also, I know this is really retentive, but are there any good SS cleaners out there? thanks -Brad 80SC |
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08-14-2002, 06:35 PM
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Brad:
That tube is were the EGR valve discharge line went (large compression fitting). Might as well have it welded off, or run a stainless steel bolt in there (not my preference).
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'94 CMC Firebird Trans Am '86 951 LS1 (C-2) Gone  '77 911 3.2 (C-1) Gone but not forgotten. http://www.pelicanparts.com/MotorCity/marcesq1 http://www.youtube.com/user/958Fan#p/u |
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08-14-2002, 07:05 PM
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Formerly bb80sc
Join Date: Aug 2001
Location: Hollywood Beach, CA
Posts: 4,361
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Thanks marcesq!
There are also some very fine carbon/rust particles falling out of the muffler. I am sure the baffles on the 28 year old muffler are pretty well worn. Do I need to be concerned about the internals, other than the possible increase in noise, er, uh sound  cheers -Brad |
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08-14-2002, 07:33 PM
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That all depends on what decible level you can tolorate. Other than that no real problem, although some might say that a hollow muffler could create a swirling effect and add to back pressure rather than help it, but I wouldn't worry about it unless there is backfiring.
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'94 CMC Firebird Trans Am '86 951 LS1 (C-2) Gone '77 911 3.2 (C-1) Gone but not forgotten. http://www.pelicanparts.com/MotorCity/marcesq1 http://www.youtube.com/user/958Fan#p/u |
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08-14-2002, 07:51 PM
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1977 Porsche 911s 3.2
951
