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cornfield camaro 08-04-2013 07:27 PM

CATS
 
So tell me how many guys haven't melted their cats with a supercharger? I had a chance to go to a test and tune today(1/4 mile) and I was somewhat paranoid about my cats blowing the motor. My tune hasn't disabled the COT. I just haven't got around to gutting them.

Turbo99 08-04-2013 07:41 PM

I had some high flow...can't remember the name but came from Jannetty. They were shot at 6000 miles of blown use. I was over 650 for most of that time but was 575 for the first couple thousand, and they seemed fine then.

Levischilz 08-04-2013 08:50 PM

So what are you guys with emissions doing? Tuning the car without cats? Then putting cats on the car to emissions test then removing them again?

Iam Broke 08-05-2013 06:42 AM

Yep, I have a set in the attic for that purpose. If you can some states have a show car exemption.

Kronix 08-05-2013 07:00 AM

Hollowed out shells work fine for me

Levischilz 08-05-2013 08:29 AM

see I was going to hollow them out also but didnt think they would pass here in denver without the cats doing what they do to to reduce the emission. Guess its different everywhere.

KTWillys 08-05-2013 04:28 PM

Quote:

Originally Posted by Kronix (Post 6858514)
Hollowed out shells work fine for me

Quote:

Originally Posted by Levischilz (Post 6858691)
see I was going to hollow them out also but didnt think they would pass here in denver without the cats doing what they do to to reduce the emission. Guess its different everywhere.


in California and Colorado they do more than a visual inspection..
all they have to do is use an infrared temp on the cat housing and they will know in about 1 second if you actually have a cat or a shell..
just a thought.. I am sure other states do this as well..

Rcfiddy1 08-05-2013 04:41 PM

25,000 miles on s/c with cats. Still look good.

Mchlgrrsn 08-05-2013 05:33 PM

Took cats off. NJ does not visually check. To pass inspection you just can't be throwing any CELs. Cats and boost is no bueno.

pdiddy 08-05-2013 07:51 PM

so should this COT be disabled or not when running high flows with FI and why or why not please

BooSSted 08-05-2013 08:54 PM

I'll be gutting mine once I get in upwards of 600whp+

pdiddy 08-05-2013 09:00 PM

nevermind I found out more about it I am just going to go catless as well I will be selling my highflows they have under 2500 miles on them and only 200 since going FI. If you know anyone looking for them they will be in the classifieds

UNRIVALED SS 08-05-2013 10:56 PM

ARH cats . 600 range. No problems yet

JANNETTYRACING 08-06-2013 11:03 AM

Quote:

Originally Posted by pdiddy (Post 6861567)
so should this COT be disabled or not when running high flows with FI and why or why not please

Not, COT is for Protecting the Cats, it adds fuel to cool the cats when they get hot.

I talked about this at great length in the Check your Cats Thread.

Many times the fuel pump and injectors are too small to support the Supercharger and COT fueling together, so not enough fuel to cool the cats.

Ted.

TinyToasta 08-06-2013 11:12 AM

100cpi metal cats, Teds tune and more than sufficient fuel...
this department is the least of my worries at this stage of my build!

11syn3rgy 08-06-2013 06:03 PM

I spoke with Stainless Works earlier today and they are confident that with my set up and Jannetty's tune, I should be just fine. He was talking about many other guys with their high flow cats and a Jannetty tune that are in the 650+ HP range that have had no issues with cats burning up. Just thought I'd throw that out there. He admitted that the "tuner" has a LOT to do with it. Yet again, happy that I chose Jannetty to tune my ride! Thanks Ted!!!


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