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#4611119 - 12/22/17 10:53 AM catalytic converter - direct fit. 2000 F150 ?
lawnguy Offline


Registered: 08/17/14
Posts: 326
Loc: Florida
My truck has 110k miles on it,and I was thinking I should consider replacing my catalytic converters. What is the best bang for the buck in price direct fit. cats,and possibly horsepower adv ?

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#4611124 - 12/22/17 10:59 AM Re: catalytic converter - direct fit. 2000 F150 ? [Re: lawnguy]
CT8 Offline


Registered: 10/09/14
Posts: 10922
Loc: Idaho
Is there a problem with the cat?
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#4611152 - 12/22/17 11:24 AM Re: catalytic converter - direct fit. 2000 F150 ? [Re: lawnguy]
kschachn Offline


Registered: 12/26/05
Posts: 9377
Loc: Upper Midwest
Originally Posted By: lawnguy
My truck has 110k miles on it,and I was thinking I should consider replacing my catalytic converters. What is the best bang for the buck in price direct fit. cats,and possibly horsepower adv ?

As CT8 already asked, is there a documented problem with the current one that it needs replacing already? I've got nearly 400K on my Sienna and I'm not throwing any CEL codes or anything. If yours has failed at only 110K then that is unusual in my opinion.
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1994 BMW 530i, 227K
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1999 Toyota Sienna, 394K
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#4611163 - 12/22/17 11:30 AM Re: catalytic converter - direct fit. 2000 F150 ? [Re: lawnguy]
TinyVoices Offline


Registered: 09/12/16
Posts: 480
Loc: Vienna, VA
Seems like a pretty premature failure. I have the OEM cat in my mr2 from 25 years ago with 160k miles on it and it passess emissions with flying colors still. My previous VW had 250k on it with the OEM cat and had no issues either.
_________________________
1993 Toyota MR2 Hardtop N/A - 157k miles - Valvoline Max Life 5w30
2006 Toyota Matrix XR AWD (Fiancee) - 126k miles - Valvoline Max Life 5w30

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#4611172 - 12/22/17 11:37 AM Re: catalytic converter - direct fit. 2000 F150 ? [Re: lawnguy]
supton Online   content


Registered: 11/09/08
Posts: 11919
Loc: NH
I don't think you have emissions checking in FL. Not condoning removal, but...

I don't know when, but at some point, I think in the 90's, catalytic convertors stopped being "big" horsepower sucking devices. Not only that but it's probably only worth a few hp at best.

If it's not failed, then I'd leave it alone.
_________________________
2011 Toyota Camry, base, 2.5L/6MT, 160k, hers
2010 Toyota Tundra DC, 4.6L/6AT, 143k, ours
1999 Toyota Camry LE, 2.2L/4AT, 181k, his

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#4611176 - 12/22/17 11:43 AM Re: catalytic converter - direct fit. 2000 F150 ? [Re: supton]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
Originally Posted By: supton

If it's not failed, then I'd leave it alone.


Yes, agree. Only replace if it must be replaced.
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(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4611179 - 12/22/17 11:45 AM Re: catalytic converter - direct fit. 2000 F150 ? [Re: lawnguy]
Chris142 Offline


Registered: 06/05/03
Posts: 16812
Loc: Deplorable in apple valley, ca
No need to replace cats unless damaged or throwing a cat code.
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#4611183 - 12/22/17 11:50 AM Re: catalytic converter - direct fit. 2000 F150 ? [Re: lawnguy]
lawnguy Offline


Registered: 08/17/14
Posts: 326
Loc: Florida
Never had it checked or examined. I just thought at 100k miles it would go bad by now.

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#4611184 - 12/22/17 11:53 AM Re: catalytic converter - direct fit. 2000 F150 ? [Re: lawnguy]
Malo83 Offline


Registered: 08/08/08
Posts: 1999
Loc: Cali
If you do, go Magnaflow Cheers2

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#4611193 - 12/22/17 11:59 AM Re: catalytic converter - direct fit. 2000 F150 ? [Re: lawnguy]
supton Online   content


Registered: 11/09/08
Posts: 11919
Loc: NH
Originally Posted By: lawnguy
Never had it checked or examined. I just thought at 100k miles it would go bad by now.


I would have agreed with you, in a different age. Maybe if it was a carb motor, or you knew for a fact that the motor had been run for a long time with a bad O2 sensor. Failing any good reason though, it's best to wait for it to go. Because when it goes it really doesn't do anything bad--it's not like proactive replacement would prevent a roadside repair. In this case, when it goes bad, you drive it until it's a good time to replace.
_________________________
2011 Toyota Camry, base, 2.5L/6MT, 160k, hers
2010 Toyota Tundra DC, 4.6L/6AT, 143k, ours
1999 Toyota Camry LE, 2.2L/4AT, 181k, his

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#4611195 - 12/22/17 12:01 PM Re: catalytic converter - direct fit. 2000 F150 ? [Re: lawnguy]
BrocLuno Offline


Registered: 09/06/15
Posts: 5506
Loc: Kalifornia Kollective
If it is not ash capped from oil burning (any consumtion?), they last a lot longer than that ...

If you bang on the side of it with you hand, does it rattle (internals loose). If not, don't worry and drive on smile
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Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.

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#4611196 - 12/22/17 12:01 PM Re: catalytic converter - direct fit. 2000 F150 ? [Re: lawnguy]
Wolf359 Offline


Registered: 04/27/12
Posts: 4741
Loc: MA
I would consider replacing just the upstream O2 sensors before I'd consider replacing catalytic converters. If you have an error code, then you replace them. You don't replace them for preventative maintenance. As others said, they can last 200-400k or more. Also factory cats are better than aftermarkets. The EPA figures that by the time you need aftermarket cats, the car is probably pretty close to be shot anyway so they're just required to last 5 years and they not made as sturdy or have as much platinum as OEM which could last 15-20 years. If you have a Pzev car, emissions is supposed to be good for 15 years/150k miles. It's the downstream O2 sensors which basically tells you that the cats are shot. Basically if the upstream and the downstream O2 sensors have the same value that means the cats aren't doing anything. The downstream ones don't really do much so they last a lot longer so normally you just replace the upstream ones.

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#4611203 - 12/22/17 12:07 PM Re: catalytic converter - direct fit. 2000 F150 ? [Re: supton]
Kira Online   content


Registered: 08/19/10
Posts: 5205
Loc: Champlain/Hudson Valley
My pal has a 1997 F-150 (4.6l V-8) with <70K and his rotted away from the outside.

In his case I'd believe it was a bad run of stainless steel or whatever cats are made from.

He found a replacement from a donor truck (crashed) of similar age.

Even with all the things I've done with him ON THAT TRUCK I haven't seen these bad cats. He did say the metal can't take a repair. He can weld and has friends who can weld better so I ASSUME the metal might have been made extra thin for the '97's.

I don't know.

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#4611532 - 12/22/17 05:50 PM Re: catalytic converter - direct fit. 2000 F150 ? [Re: lawnguy]
slacktide_bitog Offline


Registered: 03/20/08
Posts: 6136
Loc: USA
There is usually no need to replace the cat unless you get a P0420 code and you live somewhere they have inspection.

If you do replace it, get Walker or Eastern. And replace the oxygen sensors along with it.

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#4611655 - 12/22/17 08:21 PM Re: catalytic converter - direct fit. 2000 F150 ? [Re: lawnguy]
Lubener Offline


Registered: 01/22/11
Posts: 2576
Loc: N.Ohio
A failed cat is usually a symptom(result) of an engine fault. With a good burning engine, the cat should just about last the life of the vehicle.100k is nothing unless your engine is in bad shape
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