CATS - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

cornfield camaro · 08-04-2013, 07:27 PM

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

Hollowed out shells work fine for me

Quote:

Originally Posted by Levischilz

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

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.

08-04-2013, 07:27 PM	#1
cornfield camaro Drives: 2011 l99 Join Date: Aug 2012 Location: Ames, Iowa Posts: 305	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.

08-04-2013, 07:41 PM	#2
Turbo99 Drives: 08' F250 Diesel & 10' Camaro 2SS Join Date: Nov 2010 Location: Gainesville,Fl Posts: 1,362 View My Garage	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. __________________ 08' F250 CCSB 6.4L Diesel White & Black, Blacked out, 580RWHP @ 55psi 13.21 @ 101mph 10' Camaro 2SS LS3 M6 White & Black, Blacked out, 684 RWHP & 633 FT.LBS @ 10psi 10.82@130mph TVS2300 ,Hendrix Street Slayer Twin Carbon Clutch, Dana 60 3.73, DSS 1400HP Axles,JRe cam & LaMotta Performance tuned,LPE Fuel, AI Super Chiller,MT ET Streets

08-05-2013, 06:42 AM	#4
Iam Broke PHAT B33 Drives: 2012 TF3 Camaro 2SS/RS M6 Join Date: Jun 2012 Location: Dark of the Moon Posts: 1,460 View My Garage	Yep, I have a set in the attic for that purpose. If you can some states have a show car exemption. __________________ Another 1 of 371 '12 T3 LS3 M6's built.

08-05-2013, 07:00 AM	#5
Kronix NJ/SoCal HT5 COTW 3/25/12 Drives: 2015 Z06/14 C7/08 Z06/07 Tahoe Z71 Join Date: Nov 2011 Location: South Jersey & SoCal Posts: 1,961 View My Garage	Hollowed out shells work fine for me __________________ Built by Late Model Racecraft Fastest C7 in Tri-State 10.13 @ 134mph 7/26/14 Corvette Challenge Raceway Park, E-Town, NJ

08-05-2013, 04:41 PM	#8
Rcfiddy1 Sold car... Drives: 2010 Rally Yellow 2SS/RS #37115 Join Date: Oct 2009 Location: Manalapan, New Jersey Posts: 2,019 View My Garage	25,000 miles on s/c with cats. Still look good. __________________ Build Thread ECS Novi 1500 Supercharged, LS3 conversion, Small blower cam, Alky Meth injection, 3:45 rear, BMR Suspension parts, 1LE Sways, Billy Boat ZL1 dual mode exhaust.

08-04-2013, 08:50 PM	#3
Levischilz Drives: 2012 Camaro SS Transformers Edition Join Date: Apr 2013 Location: Denver Posts: 132	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?

08-05-2013, 08:29 AM	#6
Levischilz Drives: 2012 Camaro SS Transformers Edition Join Date: Apr 2013 Location: Denver Posts: 132	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.

08-05-2013, 05:33 PM	#9
Mchlgrrsn Stroked and blown Drives: 2010 LS3 2SS Join Date: Dec 2012 Location: Bridgewater, NJ Posts: 1,458 View My Garage	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. __________________ LME 416 LS3 shortblock/Callies Compstar 4340 4"crank/Callies 6.125 H beams rods/Wiesco 4.07 forged pistons/Cam Motion custom LS1/LME ported heads /maggie TVS2300/I West 8rib 10%OD /3.2 pulley/OD cog drive/JRE tensioner/ID850 /ADM dual fuel/Kooks LT 1 7/8/magna flow2.5 /cat delete/Roto Fab CAI /MGW short throw /SPEC super twin clutch/G Force built trans,carbon syncro rear shaft upgrade /DSS 9"single CF DS /Strange 3.70/31 spline trutrac/MT DR's/earls oil cooler /tuned KHC

08-05-2013, 07:51 PM	#10
pdiddy Drives: 2011 2SS Join Date: Jun 2013 Location: Kansas City Posts: 997	so should this COT be disabled or not when running high flows with FI and why or why not please __________________ 2011 2SS,fti th400, ECS 1500, Flex Fuel, Boost built 376, squash fuel system

08-05-2013, 08:54 PM	#11
BooSSted Drives: 2017 Z06 / 2012 CTS Join Date: Jul 2013 Location: NY Posts: 731	I'll be gutting mine once I get in upwards of 600whp+ __________________ SOLD - Maggie Powered 2011 2SS Procharged Powered 2017 Z06

08-05-2013, 09:00 PM	#12
pdiddy Drives: 2011 2SS Join Date: Jun 2013 Location: Kansas City Posts: 997	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 __________________ 2011 2SS,fti th400, ECS 1500, Flex Fuel, Boost built 376, squash fuel system

08-05-2013, 10:56 PM	#13
UNRIVALED SS Drives: 2010 Camaro SS Join Date: Aug 2010 Location: El Paso Posts: 704 View My Garage	ARH cats . 600 range. No problems yet