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Old September 9th, 2009, 09:33 PM   #1
redram98
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Default obd2 catalytic converter question

my brothers dodge needs a new cat. dont wanna spend 700 on a factory unit. anybody have experience swapping these out? really dont wanna go the mil eliminator route. o its a 98 4x4 318 truck.
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Old September 9th, 2009, 09:37 PM   #2
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are you asking if its easy? or cheap cats to buy?
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Old September 10th, 2009, 12:03 AM   #3
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buy a universal cat. There any where from $70+
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Old September 10th, 2009, 12:10 AM   #4
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I got a Cat universal for up to 6,000lbs for $60 brand new in box.
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Old September 10th, 2009, 12:11 AM   #5
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universal cats suck, you will still get a po440 code which is cat efficency code, happenes all the time when people dont wnat to spend the money, do it right the first time and you wont regret it. if you can afford it then thats what i would do
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Old September 11th, 2009, 12:32 AM   #6
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i just dont want it to be throwing codes. cheapest as possible. even if i did get a cheap cat for it and a dummy sensor. i just dont wanna smell all those nasty nox fumes
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Old September 11th, 2009, 05:29 AM   #7
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I have a 96 ram and put a universal cat on and had nor trouble out of it and no codes thrown. Just make sure the o2 sensor is in the proper spot (in the cat). I think you will be ok and i only paid $75 for it.
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Old September 13th, 2009, 11:59 AM   #8
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Quote:
Originally Posted by mopar96 View Post
I have a 96 ram and put a universal cat on and had nor trouble out of it and no codes thrown. Just make sure the o2 sensor is in the proper spot (in the cat). I think you will be ok and i only paid $75 for it.
were you able to find one w a bung in the center of the cat or did you have to add that in? his y pipe runs 2 in one out on the cat, i was not aware of this till last night.
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Old September 13th, 2009, 12:21 PM   #9
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take all the substrate out of the current cat on the vehicle. i broke out all the substrate in my tj one with a long piece of rebar. worked great, never threw a code. sounded nice too.
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Old September 14th, 2009, 07:42 AM   #10
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I found a universal cat that has the bung for the 02 sensor in it..
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Old September 14th, 2009, 08:09 AM   #11
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It will work. The Dodges aren't that sensitive. We put them on Dodges once a month and never had one come back. I am guessing you didn't get a code. it just started running like crap when the guts broke loose and turned sideways or that the rattle got to you.
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Old September 15th, 2009, 05:23 PM   #12
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missfire on cyl. 8. i assume that it is because this cylinder is closest to the cat, maybe creating wayyy tooo muuuch pressure in cyl. 8. no rattle just plugged to shit. wont rev over 3k cause of the intense amount of back pressure.
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Old September 15th, 2009, 05:28 PM   #13
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I found a universal cat that has the bung for the 02 sensor in it..
hey you in keweenaw county or kent county wyoming, mi? if your by gr that may be a possibility but if its way in the bum fcuk UP i will have to wait for snow so i can ride my dog sled up.
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