C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Exhaust leak question - How do I check ?

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Old Jun 26, 2007 | 02:56 PM
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Default Exhaust leak question - How do I check ?

What's the easiest way to look for exhaust leaks?

Second question is how far back will an exhaust leak mess with the sensor? Problem I'm having is my wideband is not staying steady it's jumping around like crazy. The only thing I've changed in the last few months or so is the exhaust having race mufflers and flanges and resonators welded into the B&B. So there is a lot of welding which I'm thinking is the problem.

thoughts?
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Old Jun 26, 2007 | 05:14 PM
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Dump half a can of Seafoam down the brake booster vac with the engine running and at ~2,000 rpm's. If you have an exahust leak, you will know.
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Old Jun 26, 2007 | 06:31 PM
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Im guessing the smoke will blow out of any leaks?
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Old Jun 26, 2007 | 06:59 PM
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Old Jun 26, 2007 | 07:09 PM
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Up here in toronto I have neve heard of seafoam. Is there any other products to try?
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