LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Exhaust ??

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Old Jul 20, 2005 | 08:11 PM
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97MysticZ's Avatar
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Default Exhaust ??

I'm planning on ordering a set of longtubes this week. My question is, if I install the headers and i get o2 extensions for the front and o2 simulators for the rear, will it run ok for a little while with open headers or do you guys not suggest doing that? Im not worried about the cops or anything like that- and i drive it less than 100 miles a week, so not much. I was just wondering if it would run ok and I thought I've heard something before that running open headers is not good for head gaskets or something. Any help would be appreciated.
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Old Jul 20, 2005 | 10:46 PM
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It will be okay for a little while, just don't run it like that for to long.
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Old Jul 21, 2005 | 11:33 AM
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ok, thanks. How long would be too long?
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Old Jul 21, 2005 | 12:09 PM
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It depends, the problem is your O2's will start to pick up some some clean air since there will be nothing after the headers, so it will start to run shitty.
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Old Jul 21, 2005 | 08:10 PM
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Ok, I was kinda wondering about that since the o2 bungs are right there at the collector. And do you know if thats true or not what I heard about running open headers not good for a head gasket or something?
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Old Jul 22, 2005 | 03:55 PM
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I think it could burn a valve from not enough back preasure, but I could be wrong.
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