Cat clogged, over heating....

Luke(MI) · Jul 20, 2011

Well my cats are clogged how do I know? engine is overheatinng and there is almost no exaust pressure at the tips. In Michigan, it is illegat to run straight pipes, but they never check for it, I was thinking of pulling the cat, hammering the **** out and hammering a pipe through it. problem... cat is 2 in one out. So thats not going to work. I don't want the cat anyways, any suggestions?

schroederMP · Jul 20, 2011

Cut it open and hallow it out. Weld it back shut. Make sure the welds are facing up towards the truck so no one can see it

Luke(MI) · Jul 20, 2011

Isn't there an o2 sensor for the truck? any suggestions for that? Could just hammer the **** out and put it back on? been told this is bad some how?

nim81 · Jul 20, 2011

I tried hammering the inside of one out off a 99 Durango. It proved impossible.

Sent from iPhone-taptalk

Luke(MI) · Jul 20, 2011

sledge hammer, 2' punch, and a guy drunk enough or stupid enough to hold it up while I bash it with the sledge oughta do it

Luke(MI) · Jul 20, 2011

or I could just get it with the air hammer..

nim81 · Jul 20, 2011

well good luck man if you try it. i would suggest getting a magnaflow cat.

blk05hemi · Jul 20, 2011

schroederMP said:
Cut it open and hallow it out. Weld it back shut. Make sure the welds are facing up towards the truck so no one can see it

Yup this ^^

I did this on an 03 silverado used a screwdriver n a hammer and a big ass vice.

swamp_life hemi 05 · Jul 20, 2011

Or you can try the waterhose trick, seen it happen on a 98 RAM. Beat on the cat till you get some flow while idling, rev the truck up till they're good and hot then jam a water hose up there full blast. You should here the popping and cracking....... Then crank the truck back up and blow them out, this may take a few tries but it worked for us......

Luke(MI) · Jul 20, 2011

swamp_life hemi 05 said:
Or you can try the waterhose trick, seen it happen on a 98 RAM. Beat on the cat till you get some flow while idling, rev the truck up till they're good and hot then jam a water hose up there full blast. You should here the popping and cracking....... Then crank the truck back up and blow them out, this may take a few tries but it worked for us......

Not so sure I want to jame a hose up my tail pipe any further than the glasspack, already cracked the glasspack

wermbang · Jul 20, 2011

schroederMP said:
Cut it open and hallow it out. Weld it back shut. Make sure the welds are facing up towards the truck so no one can see it

^^^this

with the 02 sensors I believe they are before and after the cat. Opening the cat will mess with them.

swamp_life hemi 05 · Jul 20, 2011

Oh ok lol

wermbang · Jul 20, 2011

Yeah Robb, I could have put the ^^^ for your post too

KGBIGCOUNTRY · Jul 20, 2011

I say hi flow universal from magnaflow.

swamp_life hemi 05 · Jul 20, 2011

Mybad I'm still learning how to do things on here lol I just figured out how to put pics in my album but can figure out how to put then in my posts.....

RamTech · Jul 20, 2011

The downstream sensors are for monitoring converter efficiency, so be prepared to deal with the MIL by using anti-foulers in the downstream sensors should you decide to hollow out the cats.

nim81 · Jul 20, 2011

the anti-fouler trick works great

Luke(MI) · Jul 21, 2011

So whats the big deal with them? do they just make a light turn on or make it run like ****?

RamTech · Jul 21, 2011

If you don't fool the PCM into thinking the converter is still there and operating normally, it will turn on the MIL and set a converter code.

Luke(MI) · Jul 21, 2011

MIL? I'm not to bright on abbreviations....

Cat clogged, over heating....

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