Stainless Exhaust - Team Camaro Tech
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post #1 of 5 (permalink) Old May 4th, 02, 10:10 PM Thread Starter
Join Date: Mar 2002
Location: Long Grove,Iowa,USA
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I read somewhere that stainless exhaust expands when it is hot. When it heats up does it cause any problems with fit and/or the gaskets?
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post #2 of 5 (permalink) Old May 5th, 02, 05:14 AM
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I've never heard that one before. Doesn't mean it's not true to some degree though. If it does expand, in my opinion it couldn't be enough to cause problems. I know some guy's with street rods & stainless exhaust & they don't seem to have problems. And they're systems are jammed in there.

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post #3 of 5 (permalink) Old May 5th, 02, 02:45 PM
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No, it doesn't expand any more than regular steel does, but the guys who sell only regular steel would have you believe otherwise. My '57 Corvette has a full stainless steel system, and my tailpipe tips (through the bumpers) don't expand any further than my neighbor's Vette, which is identical except his system is regular steel; measured them both hot and cold, same expansion (about 3/8").

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post #4 of 5 (permalink) Old May 6th, 02, 12:49 AM
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I've had a stainless system on my Z for 20 years and have never noticed any problems.

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post #5 of 5 (permalink) Old May 8th, 02, 05:27 PM
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I agree with the above comments. SS should not make a difference on your Camaro.

Most concerns about expansion are based on the newer cars. These systems are double walled to hold heat in ahead of the converter. Higher temperature = greater expansion. The mounts have a sliding bracket to take care of this. The Stainless is primarily used to increase life at these temperatures.

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