Home » Public Forums » GMCnet » California smogged coaches (Removal of smog equipment)
Re: [GMCnet] California smogged coaches [message #271180 is a reply to message #271178] |
Wed, 04 February 2015 09:47 |
James Hupy
Messages: 6806 Registered: May 2010
Karma:
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Senior Member |
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Matt, I really did not want to get into the whole NOX discussion, and that
was the reason for the "smart alec" response that I gave. After I read it,
I kinda wish that I had hit delete instead of send. But it's out there,
now. So, have at it. The time period from 1970 until about the time
electronic engine management took over was an embarrassment for American
manufacturing companies, and they still are struggling with the fallout
after letting the EPA CAMEL'S head under the tent flaps. There are bright
spots out there. But, the best selling American car is a truck? What's up
with that. Can't deny that the Corvette, Mustang, and Challenger have found
a way to performance despite restrictive rules, though.
Jim Hupy
Salem, Or
78 GMC ROYALE 403
On Feb 4, 2015 6:45 AM, "Matt Colie" wrote:
> James Hupy wrote on Tue, 03 February 2015 20:49
>> Gee, I was only repeating what I was taught at GM Training School at
> Tigard Oregon when I attended. They could have been wrong. Sure hate to
> think
>> after all these years that GM could have gotten it so wrong.
>
> Jim,
>
> That is probably what you were taught.
> And Yes, They taught you wrong. And, many knew it at the time and the
> story behind is kind of interesting.
> At the time Ed Muskie (Remember Him) had some power and was looking at
> running for president he had decided that the democrats would be "the
> environmental party" (a reverse from their prior stand) and he decided to
> make a name for himself by using the newly formed EPA as a weapon. He got
> rules issued to make automobiles cleaner. Unfortunately for us, they
> picked a sample of post EPA Rules 1 cars that were less than a year old and
> already 90% cleaner than pre-rule 1 cars. And set the target at 90% of
> that.
>
> These cars hit the streets in about 1970 and were terrible. The people
> were used to cars that actually ran. Pre-Rule 1 cars were tuned for
> performance. (In the industry they were often called gasoline cooled
> engines.) After rule 1, they had to effective control fuel and make engines
> cool
> better and not dump raw gas on the street. The manufactures made the 90%
> mark plus.
>
> Then Rule 2 hit.....
> HC had pretty well been managed, but NOx was still an issue because
> combustion processes were still too hot. So, EGR came along along with a
> whole
> new set of problems. Most notable was that these new cars ran like 5h1t.
> An Immediate Response was that effective mechanics were out there disabling
> the emission controls in a effort to have satisfied clients. The people
> in power were livid and made it know that they would seek stringent
> enforcement. So, and early response from the manufactures was to first
> tell the story that the emission controls were good for the engine's life
> (wrong) and then an effort push by the EPA called "Run Worse" that would
> hopefully make a vehicle that was out of tune or with hardware disabled to
> run less well than it would otherwise. This was a humorous failure all
> around. It lead directly to the terrible performance and fuel economy of
> the
> 70's catalytic cars.
>
> I would love to go on with this, but I do have things to do today, like
> clear the new snow.
>
> Matt
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California smogged coaches
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Re: [GMCnet] California smogged coaches
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Re: California smogged coaches
By: roy1 on Mon, 02 February 2015 11:20
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Re: California smogged coaches
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Re: California smogged coaches
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Re: [GMCnet] California smogged coaches
By: USAussie on Mon, 02 February 2015 15:24
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Re: [GMCnet] California smogged coaches
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Re: [GMCnet] California smogged coaches
By: Neil on Mon, 02 February 2015 16:17
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Re: [GMCnet] California smogged coaches
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Re: [GMCnet] California smogged coaches
By: rickmike on Tue, 03 February 2015 19:21
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Re: [GMCnet] California smogged coaches
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Re: [GMCnet] California smogged coaches
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Re: [GMCnet] California smogged coaches
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Re: [GMCnet] California smogged coaches
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Re: [GMCnet] California smogged coaches
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Re: [GMCnet] California smogged coaches
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Re: [GMCnet] California smogged coaches
By: rickmike on Wed, 04 February 2015 18:56
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Re: California smogged coaches
By: bwevers on Mon, 02 February 2015 15:32
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Re: California smogged coaches
By: bwevers on Mon, 02 February 2015 16:27
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Re: California smogged coaches
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Re: California smogged coaches
By: bwevers on Mon, 02 February 2015 19:48
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Re: California smogged coaches
By: Neil on Tue, 03 February 2015 10:51
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Re: California smogged coaches
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Re: California smogged coaches
By: bwevers on Wed, 04 February 2015 12:19
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Re: [GMCnet] California smogged coaches
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Re: [GMCnet] California smogged coaches
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Re: [GMCnet] California smogged coaches
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Re: California smogged coaches
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Re: [GMCnet] California smogged coaches
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Re: California smogged coaches
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Re: California smogged coaches
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Re: California smogged coaches
By: Steve on Wed, 04 February 2015 20:24
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Re: California smogged coaches
By: JohnL455 on Thu, 05 February 2015 09:02
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Re: California smogged coaches
By: midlf on Thu, 05 February 2015 13:58
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Re: California smogged coaches
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