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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

non catalyst quiestion

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Old May 24, 2007 | 09:04 AM
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non catalyst quiestion

hey guy looking for a new truck. i loved my old 86 f250 which was non catalyst. (had loud exhaust and only had glasspacks as mufflers for inspection) i am wondering if all 86 and back 3/4 tons were non catalyst?
 
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Old May 24, 2007 | 11:38 AM
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I bet California models were catalyst.
 
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Old May 24, 2007 | 11:49 AM
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im on the other side of the country in maryland. anybody know?
 
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Old May 24, 2007 | 02:10 PM
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Everything was factory equiped with catalyst except some of the diesel models. If yours had no catalyst, then it was removed illegally. Those original Ford catalysts on the big 351W and the 460 had a tendency to break, plugging the exhaust. That is the most common reason for removal. We actually have replacements that fix that problem once and for all, so you can run with free flowing catlaysts and be completely legal in all counties.
 
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Old May 24, 2007 | 02:21 PM
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i actually had a sticker on the front core support that said "NON-CATALYST" it was always a 351w i know the boy that bought it new
 
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Old May 24, 2007 | 05:07 PM
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No cats on my 1985 F250 w/460. I should know, I bought it new here in California (still got it).
 

Last edited by beetle; May 24, 2007 at 05:09 PM.
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Old May 24, 2007 | 06:49 PM
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Over 8500 lbs. GVRW have no catalytic converter.
 
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Old May 24, 2007 | 07:35 PM
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Originally Posted by Franklin2
I bet California models were catalyst.
Nope My old 86 F250 came from California without cats and was bought new there.
 
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Old May 24, 2007 | 07:37 PM
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Originally Posted by Bear River
Everything was factory equiped with catalyst except some of the diesel models. If yours had no catalyst, then it was removed illegally. Those original Ford catalysts on the big 351W and the 460 had a tendency to break, plugging the exhaust. That is the most common reason for removal. We actually have replacements that fix that problem once and for all, so you can run with free flowing catlaysts and be completely legal in all counties.
Thats what I thought but the sticker on my valve covers and sticker on the rad cover specified non catalysts
 
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Old May 25, 2007 | 09:56 AM
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so i need to find a f250 with a gvrw over 8500 lbs
 
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Old May 25, 2007 | 11:43 AM
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Ok, you guys are right, oversized vehicles had exemption for a lot of years. I'm not sure when the oversized stuff was also required, I think in the early nineties. There is no advantage to the non-catalyst models.
 
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Old May 25, 2007 | 11:48 AM
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there is when you have loud exhuast. less u have to worry about. my old 86 was my pulling/mudding truck that was my dailer driver
 
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