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3rd Gen / L98 Engine Tech 1982 - 1992 Engine Related

Gutting the cat?

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Old Jul 26, 2006 | 05:14 PM
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  #16  
IROC-T's Avatar
IROC-T
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Joined: Jun 2003
Posts: 866
From: So.Cal on the Best coast
Re: Gutting the cat?
Have someone rev the engine while you watch it, if it's pluged it will swell-up when reved. If it doesn't swell it's probably good, but may be burnt out from the rich fuel.
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Old Aug 19, 2006 | 08:34 PM
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ELLOKOTE5
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Joined: Aug 2005
Posts: 13
From: Joliet IL
Re: Gutting the cat?
A good way to check if it is still good, is to get a pyrometer and check the inlet temperature, and the outlet temp at the Cat. the outlet temp should be higher
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