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Catalytic converters worked

5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

Catalytic converters worked

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Old 04-19-2007, 11:17 AM
  #1  
yellow93lx
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Default Catalytic converters worked

When I bough the car the person I bought it from had taken the Cats off, but I tryed it at the inspection station anyway to see if I could get it through. I could change the timing and it would change the results but would never pass both the test. I had to end up putting $450 worth of Cats on it and what a difference.

Before new Cats

Hydrocarbons Standard: 220.00 ppm
Vehicle Results: 1,058.00 ppm Failed

Carbon Manonoxide Standard: 1.20 %
Vehicle Results: 1.55 % Failed


After new Cats

Hydrocarbons Vehicle Results: 35.07 ppm Passed

Carbon Monoxide Vehicle Results: 0.05 % Passed
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Old 04-19-2007, 01:01 PM
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86 5.0L
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Default RE: Catalytic converters worked

was it 4 or 2 cats?
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Old 04-19-2007, 02:23 PM
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yellow93lx
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Default RE: Catalytic converters worked

It only took 2 Cats. I have a offroad H-pipe that the guy just cut enough out of and welded the Cats in. I went with the oval instead of the round to give more ground clearance and they fit good. It did make the car a little more quiet but in a convertible that is not too bad of a thing.
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Old 04-19-2007, 02:25 PM
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HACKGT350
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Default RE: Catalytic converters worked

mang you should have just bought a catted h-pipe would have been cheaper and you can swap it in and out
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Old 04-19-2007, 02:29 PM
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dimebag
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Default RE: Catalytic converters worked

**** emissions... i need to go there last month, lol. im a get in trouble
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Old 04-19-2007, 02:32 PM
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HACKGT350
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Default RE: Catalytic converters worked

i have to go there in september thats gunna suck but ill be living in massachusetts with jersey plates i dont think they will care...i hope
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Old 04-19-2007, 02:38 PM
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Default RE: Catalytic converters worked

once i go this time, NEVER AGAIN!!!!!
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Old 04-19-2007, 02:47 PM
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HACKGT350
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Default RE: Catalytic converters worked

lucky you with nj plates i gotta go every 2 years and they are very strict i might have to drop 75 bucks at a local shop
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Old 04-19-2007, 02:55 PM
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Default RE: Catalytic converters worked

who me? nope, MD tags.. but... ima tag it historic next year, it will be 20 years old, no emissions for me. catch is you ahve to keep some low amount of miles on the car... yup, just gonna swap out odometers
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Old 04-19-2007, 02:58 PM
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Default RE: Catalytic converters worked

i could do that but i have to be 25 and they have a lot of rules
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