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mike1
Dodge Dakota
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5/20/2002
13:08:00

Subject: gut the pre cats
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i have an 02 r/t i am thinking of trying to gut the pre cats if i can. i wonder if the check engine light will come on. any one try



R/Truck
Dodge Dakota
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5/20/2002
13:23:09

RE: gut the pre cats
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Yes your light will come on and you may experience some rough idle. The O2 sensors monitor the pre-cats, not the third cat. You can pick up an 02 simms box for the 4 cats for $120.

Don't bother messing with those pre-cats, there hell to get off and you might as well save your energy for the aftermarket headers.



conig
Dodge Dakota
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5/20/2002
14:37:04

RE: gut the pre cats
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don't even bother with the o2 simulators. I have had a set of homemade mil eliminator on my 4.7l for over a month now and no check engine light.
all you need it a 1mfg capacito 1/4 wat and a 650k resistor.

1. wire the resistor inline on the siganl wire for the o2.
2. wire the capacitor across the signal wire and to the reference wire for the o2 sensor.

I can email you picks if you like. MConiglio@fbmc-benefits.com



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Dodge Dakota
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5/20/2002
14:51:07

RE: gut the pre cats
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O2 simms box or his thinga majigger

Conig- you should market those and make some dough



mike 1
Dodge Dakota
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5/23/2002
09:53:16

RE: gut the pre cats
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it doesnt run off at all right no hesttation either



R/Truck
Dodge Dakota
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5/23/2002
11:21:37

RE: gut the pre cats
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?what?





conig
Dodge Dakota
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5/27/2002
14:40:00

RE: gut the pre cats
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don't want to market the o2 simulators I'd rather just hook people up instead of ripping them off.



R/Truck
Dodge Dakota
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5/28/2002
10:50:01

RE: gut the pre cats
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Just cause you market something doesn't mean you have to "rip them off". Maybe more people would just like to get "hooked up" and don't know of your idea/product.



conig
Dodge Dakota
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5/28/2002
14:01:55

RE: gut the pre cats
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ripping people off was the wrong term if people want me to build thses and ship them I'd be happy to do it. hows $5.00 a simulator sound? lol.



R/Truck
Dodge Dakota
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5/28/2002
16:15:41

RE: gut the pre cats
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Sounds good to me.




mike1
Dodge Dakota
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5/29/2002
12:56:30

RE: gut the pre cats
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has any of you taken out the cat on 2000 up dak it is hard to find a place to cut the cat and put a striaght pipe on



MikeD
R/T
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5/29/2002
13:16:57

RE: gut the pre cats
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A buddy of mine found a place to cut the pre-cats off but still manage to leave the O2 sensors in place. He gets a check engine light if he idles more than 20 min but he claims its his heads and cam.

About the 3rd cat...the place that did mine also did my exhaust and put in my headers so we had established a little trust. But he said if it ever came back to them they never knew me haha. Try a small town muffler shop like a hole in the wall place...not a well known place.

~Mike~

'01 R/T
MP 2400 Stall, True Duals w/ Flowmaster 40 series, M-1 2bbl, F&B 52mm TB, Airaid, JBA headers, JBA 9mm wires, Kenne Bell Optimizer II, 180 t-stat, 3rd cat removed, Chrome R/T badges
Awating Install: 2.02 Ported Magnum R/T Heads, Kammer Cam, 1.6 RR's

conig
Dodge Dakota
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5/29/2002
16:36:17

RE: gut the pre cats
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I just cut mine off with a cutoff wheel and put a peice of pipe in with clamps

2000 4.7l single cat.



Steve
Dodge Dakota
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8/06/2002
14:31:01

RE: gut the pre cats
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Conig
Do you know if the home made mil eliminator will work on a 3.9 V6 1997. I have lowered it and did the wheels and tires. Also put a limited slip rear end under it now I'm starting on the performance side.



xplikt
Dodge Dakota
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8/06/2002
14:47:27

RE: gut the pre cats
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mike1, you don't exactly call around for this type of thing. Usually the best way is by word of mouth; they will deny it untill you bring up so-and-so. Tell them you need some exhaust work done on your farm truck.



conig
Dodge Dakota
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8/07/2002
15:42:49

RE: gut the pre cats
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there is a v6er on moparchat that runs it on his truck. as long as voltage is the same it will work fine.



cudashoe
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9/06/2002
13:28:37

RE: gut the pre cats
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conig- BIG THANKS!!!

Your 99 cent parts worked perfectly. I had the two pre-cats but no more! I spliced in the parts, and re-installed the four o2 sensors back in my custom pipes. I now have true duals out of 2 1/2" pipe. I also installed the JBAs as well. An expensive mod though, but the conbination of the headers and a cat-less exhaust really added the power, most above 3000 RPMs. I had ZERO low end loss.



2000 4.7 5- speed, 1989 Shelby #799 White

johnc
GenIII
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9/06/2002
13:46:18

RE: gut the pre cats
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Conig,

I'd really like to see those pics, don't have pre-cats(Y2K Federal) but will this work for me if I cut out my 1 cat?

Please email me at johnc@asltg.com

Tx,
jc

'00',cc,4.7,4X4,auto,3.92sg,Flowmaster,Quickd Intake,F&B 70mm tb,tstat,BFG's,and a Bernd box, HO manifold OTW

cudashoe
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9/06/2002
14:23:07

RE: gut the pre cats
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conig had only the one cat I believe. It should work.

2000 4.7 5- speed, 1989 Shelby #799 White

conig
Dodge Dakota
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9/06/2002
16:11:05

RE: gut the pre cats
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yeah my bad didn't think we could post again til the forum allowed me too last night. managed to mis this post. I only have one cat on my truck. been running without a cat since probable january.



johnc
GenIII
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9/06/2002
16:27:28

RE: gut the pre cats
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Conig,

That's good to know. Please email me some pics. Did you loose any bottom end torque w/o the cat???

Oh, BTW, my guy says he needs to know the voltage for the capacitor so he can order it for me.

'preciate the info!!
jc


'00',cc,4.7,4X4,auto,3.92sg,Flowmaster,Quickd Intake,F&B 70mm tb,tstat,BFG's,and a Bernd box, HO manifold OTW

Ben
Dodge Dakota
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10/07/2002
21:32:13

RE: gut the pre cats
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CONIG,
got a question, my friend has a 97ish Dodge Ram, w/318. and his rear O2 sensor has caused a check engine light, so He was wanting some of those simulators, but can't find them anywhere for Dodge P/U. so I guess I need the specifics on how to make these things. and to make sure it'll work on a Ram. just email me @
supermiataman@hotmail.com




Rod
Dodge Dakota
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10/20/2002
23:13:44

RE: gut the pre cats
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I have a 97 Dakota with a 5.2. If you could help me out
with making some o2 sims, it would be greatly
appreciated. I tried to email you but it didn't work.
Thanks for your time.
ronbobele@earthlink.net



Kelby
Dodge Dakota
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2/12/2003
23:58:18

RE: gut the pre cats
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Hello, can someone tell me how to do the riggin to the o2 sensor on a 97 5.2 dakota? Possibly send me pics? Also, can someone help me w/ running true duals (with 2 mufflers and 2 hi flow cats) on a a 4wd 5.2 97 dakota with the 22gal gas tank? A lot of people say its impossible but i've seen it done? Getting desperate,
97 4wd Dakota 5.2



jack
Dodge Dakota
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3/25/2003
10:30:29

o2 sensor simulator
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Can someone please tell me where I could find an o2 simulator for a 95 ram with a 5.9L? I would really appreciate it if you could just post it. Thanks.



Kelby
Dodge Dakota
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3/25/2003
23:21:29

RE: gut the pre cats
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Hey Jack, Jegs has o2 sims for any mopar vehicle, but they aren't cheap. It depends on how many o2 sensors you have, they range from $60 to $120. goto www.jegs.com, or if you have their magazine they are in there with all the exhaust components near the front of the magazine. Good Luck with all!



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