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Thread: What the heck should we do with the catalytic converter on our '97 Dodge Ram 2500 v8 magnum?

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    12444
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    Default What the heck should we do with the catalytic converter on our '97 Dodge Ram 2500 v8 magnum?

    Hey, everyone. We have a 1997 Dodge Ram 2500 pickup with the 360 cubic inch v8 engine in it and the catalytic converter is clogged. There is a dead spot in the torque curve of the engine from like 1000 to 1350 rpms and the exhaust note isn't very open sounding and the muffler and exhaust is stock (I think). We bought the truck used and the exhaust system was re built by the previous owner. Now this is an afeter market cat and it is WAY to small for the engine anyways. Back to the question, should we A: gut the cat, B: remove it all together and put a Y pipe in with a nut in it for the oxygen or 02 sensor or C: just buy some stuff that you pour into the gas tank that cleans the cat out. Anyways, any input is well appreciated.
    If it ain't an EMD, an old GE, or an ALCO, it ain't a diesel loco.

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    JDM
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    Default Re: What the heck should we do with the catalytic converter on our '97 Dodge Ram 2500 v8 magnum?

    Quote Originally Posted by 12444 View Post
    Hey, everyone. We have a 1997 Dodge Ram 2500 pickup with the 360 cubic inch v8 engine in it and the catalytic converter is clogged. There is a dead spot in the torque curve of the engine from like 1000 to 1350 rpms and the exhaust note isn't very open sounding and the muffler and exhaust is stock (I think). We bought the truck used and the exhaust system was re built by the previous owner. Now this is an afeter market cat and it is WAY to small for the engine anyways. Back to the question, should we A: gut the cat, B: remove it all together and put a Y pipe in with a nut in it for the oxygen or 02 sensor or C: just buy some stuff that you pour into the gas tank that cleans the cat out. Anyways, any input is well appreciated.

    Buy a new catalytic converter.... or clean the catalytic converter out.
    "If you love life, don't waste time, for time is what life is made up of." Bruce Lee

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    Brickman
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    Default Re: What the heck should we do with the catalytic converter on our '97 Dodge Ram 2500 v8 magnum?

    Buy a new one if your state requires emission testing. Get one that is made for that engine, not a small one, which is probably reducing HP? I never really studied cats, even the ones that go Mew :3.

    If not, get rid of it But it's good to have one. Promote a cleaner atmosphere.
    Last edited by Brickman; 04-22-13 at 04:19 AM.
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    Default Re: What the heck should we do with the catalytic converter on our '97 Dodge Ram 2500 v8 magnum?

    Straight pipe it.
    "Kids always think they're smarter than adults until they grow up and realize life is harder as adults" -Mac Lethal

  6. 8 users found this post helpful: 330xi, AnAwesomePerson, FASTEDY, Iceman [U.S.], K20, TheRandomGuy, benny679, mtb2003
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    Default Re: What the heck should we do with the catalytic converter on our '97 Dodge Ram 2500 v8 magnum?

    Toss it.
    I'm sick of waiting for my life to come to me so I'm singing I'm not waiting

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    12444
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    Default Re: What the heck should we do with the catalytic converter on our '97 Dodge Ram 2500 v8 magnum?

    Quote Originally Posted by Brickman View Post
    Buy a new one if your state requires emission testing. Get one that is made for that engine, not a small one, which is probably reducing HP? I never really studied cats, even the ones that go Mew :3.

    If not, get rid of it But it's good to have one. Promote a cleaner atmosphere.
    I live in a state that is probably 70 to 85% forest and emmesions tests aren't required. I think the best way is to just gut it because even if we buy the stuff that you pour into the fuel and it cleans the cat via the exhaust, it'll just get clogged back up anyways because it is too small for the engine. Also I found out that if you run an angine without the o2 sensor in the exhaust flow, the engine runs to rich on the fuel side. I found that out from a you tube vid.
    If it ain't an EMD, an old GE, or an ALCO, it ain't a diesel loco.

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    Default Re: What the heck should we do with the catalytic converter on our '97 Dodge Ram 2500 v8 magnum?

    Unequal length headers to straight pipes to flowmaster super 10s to stainless 3.5" side dump. Anything else means you like to dress in women's clothes and call yourself a lady.
    Let them hate, so long as they fear. ● ○ ● ○ ● Instagram: @mannco103 ● ○ ● ○ ● Gamertag: EddisonTollett

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  10. 3 users found this post helpful: disloyalpick, dkutch, tmaxxracer12
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    Default Re: What the heck should we do with the catalytic converter on our '97 Dodge Ram 2500 v8 magnum?

    Quote Originally Posted by Jeepster View Post
    Unequal length headers to straight pipes to flowmaster super 10s to stainless 3.5" side dump. Anything else means you like to dress in women's clothes and call yourself a lady.
    What she said^
    "If you love life, don't waste time, for time is what life is made up of." Bruce Lee

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    Default Re: What the heck should we do with the catalytic converter on our '97 Dodge Ram 2500 v8 magnum?

    Quote Originally Posted by 12444 View Post
    I live in a state that is probably 70 to 85% forest and emmesions tests aren't required. I think the best way is to just gut it because even if we buy the stuff that you pour into the fuel and it cleans the cat via the exhaust, it'll just get clogged back up anyways because it is too small for the engine. Also I found out that if you run an angine without the o2 sensor in the exhaust flow, the engine runs to rich on the fuel side. I found that out from a you tube vid.
    Yes, you should definitely reuse the Lambda sond, the ECU needs its data to always provide the right amount of fuel. The engine would run really bad without it.
    How NOT to post: Ignore Google, FAQ & Forum search / Open dozens of threads in the wrong subforums with titles like "HELP!!!???" / Don't care about grammar and spelling / What's punctuation and why use upper and lower cases?
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  13. one user found this post helpful: dkutch
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    Default Re: What the heck should we do with the catalytic converter on our '97 Dodge Ram 2500 v8 magnum?

    Best solution is to replace it, if it's clogged, it's not exactly worth your time cleaning it out.

    One way to test if the substrate in the catalytic converter is bad, is to lightly tap the cat with a hammer or preferably, a rubber mallet. if it rattles, it requires a replacement.
    Last edited by zipppy; 04-23-13 at 10:02 PM.
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    Default Re: What the heck should we do with the catalytic converter on our '97 Dodge Ram 2500 v8 magnum?

    Forget emissions. Cut the pipe off before the cat.

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    Default Re: What the heck should we do with the catalytic converter on our '97 Dodge Ram 2500 v8 magnum?

    As I said, toss it. They sound great without it, and they have more power due to better exhaust flow.
    I'm sick of waiting for my life to come to me so I'm singing I'm not waiting

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    Default Re: What the heck should we do with the catalytic converter on our '97 Dodge Ram 2500 v8 magnum?

    Cut it out. If they don't check it won't matter. My Dakota never got checked.

    Is the O2 sensor up stream or down stream from the cat? If it's up stream you shouldn't have to worry about it throwing a code. Down stream you can buy or build things to trick it into thinking it's reading fine. Pulling out the bulb for the check engine light works too.

    Either way I'd get rid of it. Gutting the one on my Escort brought my power back up and brought my mileage back. Also they're worth a good amount of money to the right scrap yard.

    One last thing. The stuff you pour in gas? Doesn't do anything. The only thing I ever put in my gas is Seafoam, and that's once or maybe twice a year.

    - - - Updated - - -

    Quote Originally Posted by Creak View Post
    Yes, you should definitely reuse the Lambda sond, the ECU needs its data to always provide the right amount of fuel. The engine would run really bad without it.
    Won't run bad. Just overfuel.
    KCCO

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    Default Re: What the heck should we do with the catalytic converter on our '97 Dodge Ram 2500 v8 magnum?

    Quote Originally Posted by Sparkie77 View Post
    One last thing. The stuff you pour in gas? Doesn't do anything. The only thing I ever put in my gas is Seafoam, and that's once or maybe twice a year.
    Bitches don't know 'bout my Lucas Upper Cylinder Head Lubricant
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  19. one user found this post helpful: zipppy
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    Default Re: What the heck should we do with the catalytic converter on our '97 Dodge Ram 2500 v8 magnum?

    Quote Originally Posted by Jeepster View Post
    Bitches don't know 'bout my Lucas Upper Cylinder Head Lubricant
    "This Sh** really works!"
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    Default Re: What the heck should we do with the catalytic converter on our '97 Dodge Ram 2500 v8 magnum?

    Quote Originally Posted by Sparkie77 View Post
    Pulling out the bulb for the check engine light works too.
    Won't run bad. Just overfuel.
    Seriously? That's like turning up the music if your car makes bad noises. Closing your eyes on a problem won't make it go away...
    I don't know how this specific engine will react on a missing lambda sond but some engines may switch into a "safe mode" with not much power left when it recognizes a missing/faulty sensor or will just run on a extremely rich mixture to prevent engine damage. But anyways since you don't want to spend more money than necessary on gas a too rich mixture isn't really a good thing as well.
    Last edited by Creak; 04-24-13 at 09:22 AM.
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    Default Re: What the heck should we do with the catalytic converter on our '97 Dodge Ram 2500 v8 magnum?

    Quote Originally Posted by Creak View Post
    That's like turning up the music if your car makes bad noises. Closing your eyes on a problem won't make it go away...
    LOL, I do that all the time when I think I hear a funny noise. I just crank the music and keep the pedal to the metal.

  24. 2 users found this post helpful: Sparkie77, TheRandomGuy
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    Default Re: What the heck should we do with the catalytic converter on our '97 Dodge Ram 2500 v8 magnum?

    Quote Originally Posted by Creak View Post
    Seriously? That's like turning up the music if your car makes bad noises. Closing your eyes on a problem won't make it go away...
    I don't know how this specific engine will react on a missing lambda sond but some engines may switch into a "safe mode" with not much power left when it recognizes a missing/faulty sensor or will just run on a extremely rich mixture to prevent engine damage. But anyways since you don't want to spend more money than necessary on gas a too rich mixture isn't really a good thing as well.
    I will tell you right now that the engine in question will not go into "safe mode". If I hadn't known that, I wouldn't have told him to do that.
    KCCO

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    09ICCE200
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    Default Re: What the heck should we do with the catalytic converter on our '97 Dodge Ram 2500 v8 magnum?

    As can I. My cousin had a 96 Ram 1500 with the 5.9 Magnum. He made his own exhaust, 3.5'' stainless. Straight pipe, side dump right before the right rear tire. Sounded pretty damn good.
    I'm sick of waiting for my life to come to me so I'm singing I'm not waiting

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    12444
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    Default Re: What the heck should we do with the catalytic converter on our '97 Dodge Ram 2500 v8 magnum?

    The o2 sensor is in front of the guts of the cat so it would work if we just gut the cat. The cat being clogged could also cause not enough exhaust to be flowing the right way over the o2 sensor. What I mean by that is there might be too much exhaust built up near the sensor so it doesn't get the correct reading on the composition of the exhaust gases in the exhast its self. Jeepster, check this out: http://www.google.com/url?sa=t&rct=j...zAuofVqPRBCtQA
    If it ain't an EMD, an old GE, or an ALCO, it ain't a diesel loco.

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