Catalytic Converter Replacement - S-10 Forum
 
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post #1 of 3 Old 06-28-2003, 01:12 AM Thread Starter
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Catalytic Converter Replacement

Greetings:

I just removed the catalytic converter from a 94 chevy s10 blazer, 4.3 liter vortec - fun! I found loose chucks of catalyst material as well a hole clear through the converter. I have two questions:

1. It is clear to me that the converter is destroyed as evidenced by the loose chunks. However, do healthy converters have holes in them so you can see through them.

2. Where can I find a good replacement (company and part #). I am not necessarily looking for better performance or sound. My main concern is cost and of course passing the emissions test I must take before I can drive the vehicle full time again.

Thanks,
David

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post #2 of 3 Old 06-29-2003, 08:14 AM
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you can see through a converter, but its not a hole. its MANY holes = very small ones, like a honeycomb.

you need a new one. i needed one for my beater daily. i called SUMMIT/JEGS (forgot which) and told them what size pipe i had. they had it for around $60, best price i could find.

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now with, 2114, 270ahr, ported heads, 1 5/8 L/T's & true duals, TunerCat, LC1 & XD-16, 3:73 Z/T
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post #3 of 3 Old 06-29-2003, 06:32 PM Thread Starter
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I am telling you, this is a hole. As if someone shot a golf ball right through it at high speed. I think that some of the chucks may have clogged the muffler also. I will be checking that also.

Thanks for your advice on the converter. I went to Summit and they quoted me $99.39. Based on my searches, Summit seams to be the best deal.

You know that I have had two mechanics look at my truck last year. I did ask one of the more technical ones if the issue could be with the converter and he said not to even go there. The reason I asked is because the CPI unit had to be replaced at one point in the past which was probably introducing raw fuel into the converter which eventually destoyed it.

This has got to be the issue, because recently I replaced the CPI again. I also replaced parts in the distributor and replaced the plugs and wires.

Any additional thoughts would be appreciated.

Thanks,
David
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