Notices
991 2012-2019
Sponsored by:
Sponsored by:

Smog rating of the 991.2

Old 05-02-2018, 07:02 PM
  #1  
AnandN
Rennlist Member
Thread Starter
 
AnandN's Avatar
 
Join Date: May 2017
Location: NH/FL
Posts: 1,402
Received 359 Likes on 234 Posts
Default Smog rating of the 991.2

You folks must have seen the smog rating of the turbo sixes in the 991.2. It varies by state and you can look it up on fueleconomy.gov.
The new 911 scores an abysmal 1 rating on a scale of 1-10 in its class. The flat four turbos in the Boxster and Cayman fare better. Also for comparison, I looked by the F type which scores quite well. Even the Mustang with a V8 scores better with a 3.
I am somewhat disappointed. I suspect with these aftermarket exhaust systems ( that I have been researching) and their reduced cell count in the catalytic converters, emissions will be much worse.
Of course people will dismiss this and say that the 911 is a performance car and who cares about emissions etc. But Porsche should.And not just CO2 emissions. I suspect they will.
Old 05-02-2018, 08:02 PM
  #2  
Norsk
Rennlist Member
 
Norsk's Avatar
 
Join Date: Aug 2005
Location: A Yankee in Dixie
Posts: 816
Received 180 Likes on 80 Posts
Default

Old 05-02-2018, 08:06 PM
  #3  
BlackOptic
Rennlist Member
 
BlackOptic's Avatar
 
Join Date: Feb 2018
Location: Portlandia
Posts: 877
Received 545 Likes on 222 Posts
Default

Originally Posted by AnandN
...Of course people will dismiss this and say that the 911 is a performance car and who cares about emissions etc. But Porsche should...
Well, that's a shame. I am with you. You'd think coming from a 3.8 to a 3.0 that things are heading in the right direction. And, that these tried and true engines are becoming "finely oiled machine" ...or... maybe that's the problem (metaphorically).
Old 05-02-2018, 08:13 PM
  #4  
AnandN
Rennlist Member
Thread Starter
 
AnandN's Avatar
 
Join Date: May 2017
Location: NH/FL
Posts: 1,402
Received 359 Likes on 234 Posts
Default

Everyone likes the smell of their own emissions.


Old 05-02-2018, 08:20 PM
  #5  
STG
Race Director
 
STG's Avatar
 
Join Date: Nov 2014
Location: FL
Posts: 13,800
Likes: 0
Received 193 Likes on 137 Posts
Default

Don't worry. You'll be able to buy a Mission E soon.
Old 05-02-2018, 08:28 PM
  #6  
BlackOptic
Rennlist Member
 
BlackOptic's Avatar
 
Join Date: Feb 2018
Location: Portlandia
Posts: 877
Received 545 Likes on 222 Posts
Default

Mission E = Yes. Bring it on.

Mission E Cross Turismo = No! Why do I need to SUV'ise my four-door.. And, why did I need four doors, again?
Old 05-02-2018, 08:29 PM
  #7  
STG
Race Director
 
STG's Avatar
 
Join Date: Nov 2014
Location: FL
Posts: 13,800
Likes: 0
Received 193 Likes on 137 Posts
Default

Why do I need a car without an engine?
Old 05-02-2018, 08:33 PM
  #8  
BlackOptic
Rennlist Member
 
BlackOptic's Avatar
 
Join Date: Feb 2018
Location: Portlandia
Posts: 877
Received 545 Likes on 222 Posts
Default

To go fast, powered by your home's solar panels?
Old 05-02-2018, 08:35 PM
  #9  
Churchill
Three Wheelin'
 
Churchill's Avatar
 
Join Date: Jan 2016
Posts: 1,519
Received 253 Likes on 163 Posts
Default

OP, please post these findings, like screen shots of whatever site you're referring to. Not sure I believe it the 911 is the worst in its class. (What class is that, BTW?)

Also, yeah, you sort of answered your own question. Bottom line, the more horsepower an engine produces, the more gasoline it burns, and the more emissions it creates. Turbocharging can make an engine more efficient, and cats can remove pollutants from the exhaust. But there's no way to make a 400hp engine pollute the same as a 150hp engine. If you want 150hp emissions, you're gonna have to get a 150hp car.
Old 05-02-2018, 08:36 PM
  #10  
STG
Race Director
 
STG's Avatar
 
Join Date: Nov 2014
Location: FL
Posts: 13,800
Likes: 0
Received 193 Likes on 137 Posts
Default

Didn't know the 911 was slow to start. I'll stick with high revs and real sound enjoyment.

Don't worry, Mission E will have electronic sounds pumped though the cabin to re-train the next generation of how a car should sound.
Old 05-02-2018, 08:38 PM
  #11  
STG
Race Director
 
STG's Avatar
 
Join Date: Nov 2014
Location: FL
Posts: 13,800
Likes: 0
Received 193 Likes on 137 Posts
Default

Yeah, but a 911 or sports car and complain about emissions. Like mentioned buy a Prius and donate the rest of the cash to some earth group.
Old 05-02-2018, 08:39 PM
  #12  
AnandN
Rennlist Member
Thread Starter
 
AnandN's Avatar
 
Join Date: May 2017
Location: NH/FL
Posts: 1,402
Received 359 Likes on 234 Posts
Default

I have been aware of the relatively poor smog rating for my 2018 car since taking delivery last year. I was very surprised. Recently, I have been looking at aftermarket exhaust systems and of course none of them ( from what I can tell) have posted any data on how emissions are affected. Going from the pits to what?
Old 05-02-2018, 08:40 PM
  #13  
Churchill
Three Wheelin'
 
Churchill's Avatar
 
Join Date: Jan 2016
Posts: 1,519
Received 253 Likes on 163 Posts
Default

The only thing that will affect emissions in an exhaust is the cats. If you want more sound you don't have to touch the cats, you can change mufflers.
Old 05-02-2018, 08:43 PM
  #14  
AnandN
Rennlist Member
Thread Starter
 
AnandN's Avatar
 
Join Date: May 2017
Location: NH/FL
Posts: 1,402
Received 359 Likes on 234 Posts
Default

Originally Posted by Churchill
OP, please post these findings, like screen shots of whatever site you're referring to. Not sure I believe it the 911 is the worst in its class. (What class is that, BTW?)

Also, yeah, you sort of answered your own question. Bottom line, the more horsepower an engine produces, the more gasoline it burns, and the more emissions it creates. Turbocharging can make an engine more efficient, and cats can remove pollutants from the exhaust. But there's no way to make a 400hp engine pollute the same as a 150hp engine. If you want 150hp emissions, you're gonna have to get a 150hp car.
https://www.fueleconomy.gov/feg/Find.do?action=sbs&id=39205&#tab2

I thought I made it clear. Small cars are classified in a bunch. Stricter emission standards for 2018. Look up fueleconomy.gov. Check MA or NH for emissions from Minis, Mustangs, F types etc. And it is not directly correlated with hp. The V8 in the Mustang for example. It is how well the emisisons are scrubbed before they are discharged into the atmosphere.
I know these sorts of topics will elicit responses such as buy a Prious etc. What are you, a hippie tree-hugging communist etc? But one can be an enthusiast and care about emissions at the same time. No?

Last edited by AnandN; 05-02-2018 at 09:03 PM.
Old 05-02-2018, 09:01 PM
  #15  
Driven991
Racer
 
Driven991's Avatar
 
Join Date: Apr 2016
Posts: 332
Received 91 Likes on 36 Posts
Default

Originally Posted by STG
Yeah, but a 911 or sports car and complain about emissions. Like mentioned buy a Prius and donate the rest of the cash to some earth group.
Amen Brother!!!

I cannot imagine a world where people desire to be driven around by autonomous electric coffins but sadly it will be forced on us soon enough.

Thread Tools
Search this Thread
Quick Reply: Smog rating of the 991.2



All times are GMT -3. The time now is 01:55 PM.