"Copy Cat" - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 06-07-2005, 08:37 PM   #11
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I know it sounds corny but I personally try.

I try not to waste gas, try not to waste food, I save my cans and I dont waste water.

But 1 person doesnt make a difference when it comes to environment. We need to all do our parts and not drive an SUV that seats 9 and never car pool and clog california freeways but thats another topic.
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Old 06-07-2005, 08:40 PM   #12
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Quote:
Originally Posted by LakevilleSSEi
Quote:
Originally Posted by jr's3800
And I dfo know a few that have a gutted cat.... But I'm not one of them...
And you wouldn't admit it to us if you did....Just like giving us your calling card LOL
Very true...LMAO... I have had a couple of friends hollow out a cat... They couldn't afford a new one at the time...

I have the original Cats on both of my cars still... Neither have been touched...

Need to get the Magnaflows installed soon...

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Old 06-07-2005, 10:11 PM   #13
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Quote:
Originally Posted by jr's3800
Quote:
Originally Posted by LakevilleSSEi
Quote:
Originally Posted by jr's3800
And I dfo know a few that have a gutted cat.... But I'm not one of them...
And you wouldn't admit it to us if you did....Just like giving us your calling card LOL
Very true...LMAO... I have had a couple of friends hollow out a cat... They couldn't afford a new one at the time...
EPA will be droppin in 3.....2......1....... **KNOCK KNOCK KNOCK**
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Old 06-07-2005, 10:12 PM   #14
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those are correct napa numbers
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Old 06-07-2005, 10:13 PM   #15
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Old 06-08-2005, 01:41 AM   #16
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The Trans Sport doesn't have a cat and honestly the Bonne wouldn't either if I didn't hate the sound of the 3800 without a cat. I really don't get why people jump on this environment stuff and yet mod a car for performance.
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Old 06-08-2005, 09:51 AM   #17
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The cars computer, modded or not, will try to keep the air to fuel ratio 14.7 to 1, this is the best ratio for the cat to be efficent... Even modded the PCM will try to run at 14.7 to 1.. When you go WOT things change... But who will be at WOT all day long...

I'm not telling people what they have to do... I have my thoughts and opinions, and feel that the wide open exahust should be left for racing purposes only... As in track car...

Everyone will do what they want...

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Old 06-08-2005, 12:20 PM   #18
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I couldn't agree more with jrs3800. I just kicked my cat yesterday, only to find it'* all crumbled to bits [was fine when I put the exhaust back on.. but now its shot]. And it sounds that way too, the car sounds a little weird. Even though I cannot afford a new cat, I am also not going to just hollow it out or install a straight pipe.

blazinlo does make a point, not all cars are EFI. There is no shortage of 500ci engines with carburated engines that are driven on the street [I wouldn't say regularly.. but are street-driven]. What about them? I'm sure that those cars don't have a catalytic converter, or an O2 Sensor to measure the AFR. Although a lot of them are tuned very well, to perform their best, they also burn a lot of fuel. That'* what happens when you have a piston the size of a human head.

I may not care a whole lot about the environment, I won't go out of my way to pollute it.


-justin
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Old 06-08-2005, 12:24 PM   #19
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Thats all I'm getting at Justin...

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Old 06-08-2005, 01:46 PM   #20
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If it'* a daily driven car, put a damn cat on it IMO. You dont' get to bend the rules because you want marginal gains HP wise.
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