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Unread 03-08-2020, 08:26 PM   #2383
Rich Z
Internet Sanitation Engineer
 
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Join Date: Mar 2006
Location: Crawfordville, FL
Posts: 15,123
Name : Rich Zuchowski
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Finally got everything all put together and I hope all of the exhaust leaks plugged. I still had a small one earlier today, but I really cranked down on the clamp and it seemed to fix it. I was surprised to see that neither one of the cat back flanges were leaking at all, so perhaps my straightening out just the engine side flanges was enough to help seal them up properly. Plus I was pretty liberal with the high temperature sealant at every joint. I really don't like having to do something AGAIN.

I don't really notice the smell of the exhaust being any better in the garage, but perhaps at idle the catalytic converters just don't get hot enough to do their job very well. Plus these are "high flow" cats, so I guess they aren't as effective as the factory made units anyway.

Maybe I need to break out the EFILive stuff again and see if I can lean out the cells in the AFR table for the idle range of RPM. Heck, I'm going to have to relearn all that stuff, since it's been too long since I last touched it to remember much about it. The old brain just don't hang onto stuff as well as it used to.

Planning on taking the car out for a test drive over the next day or three to see if any of the exhaust pipes fall off on me. At least the weather appears that it is going to be clear sailing and sunny for the next week and a half. Subject to change without notice, of course.
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