Petrol particulate filter and the sports cars inc GT3/RS
Discussion
I'd love to know this too!
From what I've read/heard, and I have no connections to anyone or anything by the way(!), all petrol Porsche engines need/will have a GPF fitted. The wording is a little vague, but the Porsche pres release of last week seems to back that up:
https://newsroom.porsche.com/en/company/porsche-sa...
"The introduction of new emissions legislation makes it necessary to transition the model range to use a gasoline particulate filter (GPF)"
I don't know anything about future build slots, but Porsche is focusing on volume selling cars first, that might imply no more of the existing specials e.g. GT3 RS.
From what I've read/heard, and I have no connections to anyone or anything by the way(!), all petrol Porsche engines need/will have a GPF fitted. The wording is a little vague, but the Porsche pres release of last week seems to back that up:
https://newsroom.porsche.com/en/company/porsche-sa...
"The introduction of new emissions legislation makes it necessary to transition the model range to use a gasoline particulate filter (GPF)"
I don't know anything about future build slots, but Porsche is focusing on volume selling cars first, that might imply no more of the existing specials e.g. GT3 RS.
Jim1556 said:
I'm sure I read Porsche saying it'll have no impact on power output, yet BMW have admitted theirs will. The US will get higher powered BMWs due to this, an opposite of the early M3s.
Utterly pointless in my opinion. DPF yes, GPF? What the f
k for??? 
As a result of downsizing and turbo charging in Petrol cars.... petrol cars also spit out particulates that previously were unmetered and with even more so with a high ratio of turbo charging of petrol now that diesel is a dirty word again... these particulates need to be managed.Utterly pointless in my opinion. DPF yes, GPF? What the f
k for??? The particulates are a 'major' side effect of turbo charging and processing that fuel at a higher rate of thermal efficiency... so we'll see it on the turbo models first.
Its about meeting the group wide targets.
Edited by TDT on Monday 11th June 17:54
TDT said:
As a result of downsizing and turbo charging in Petrol cars.... petrol cars also spit out particulates that previously were unmetered and with even more so with a high ratio of turbo charging of petrol now that diesel is a dirty word again... these particulates need to be managed.
The particulates are a 'major' side effect of turbo charging and processing that fuel at a higher rate of thermal efficiency... so we'll see it on the turbo models first.
Its about meeting the group wide targets.
It's direct injection that raises particulates, not turbocharging.The particulates are a 'major' side effect of turbo charging and processing that fuel at a higher rate of thermal efficiency... so we'll see it on the turbo models first.
Its about meeting the group wide targets.
Edited by TDT on Monday 11th June 17:54
Mr2Mike said:
It's direct injection that raises particulates, not turbocharging.
ah yes... i thought it was a combination of turbo charging and some other element - but couldn't recall what it was and didn't bother to google.Direct Injection would of course then translate for NA engines also.
I suspect there is still as much head scratching at Porsche at the moment, in finding viable solutions to meet the September deadline to introduce GPF..On turbo cars i would imagine its a pretty straightforward solution to maintain power output as they respond well to ECU tuning..
High revving NASP(GT3 RS) however will prove far more difficult to find a solution for, and nobody knows for certain on whether or not if there's a viable solution..I suppose a straightforward solution would be to increase capacity from 4L to 4.2L..Any bets on this..?
I'm holding on to my GT3 in case they ruin the 4L in terms of noise and character..
High revving NASP(GT3 RS) however will prove far more difficult to find a solution for, and nobody knows for certain on whether or not if there's a viable solution..I suppose a straightforward solution would be to increase capacity from 4L to 4.2L..Any bets on this..?
I'm holding on to my GT3 in case they ruin the 4L in terms of noise and character..
Taffy66 said:
I suspect there is still as much head scratching at Porsche at the moment, in finding viable solutions to meet the September deadline to introduce GPF..On turbo cars i would imagine its a pretty straightforward solution to maintain power output as they respond well to ECU tuning..
High revving NASP(GT3 RS) however will prove far more difficult to find a solution for, and nobody knows for certain on whether or not if there's a viable solution..I suppose a straightforward solution would be to increase capacity from 4L to 4.2L..Any bets on this..?
I'm holding on to my GT3 in case they ruin the 4L in terms of noise and character..
My bet is that unless they can make it work with the existing engine without a minimal penalty in power then no more GT3 RS’s for Europe. There’s surely no way they can release an RS with less power than a GT3 and I don’t see any likelihood they’d increase capacity just for Europe when they can sell all the RS’s they want in North America with the existing engine.High revving NASP(GT3 RS) however will prove far more difficult to find a solution for, and nobody knows for certain on whether or not if there's a viable solution..I suppose a straightforward solution would be to increase capacity from 4L to 4.2L..Any bets on this..?
I'm holding on to my GT3 in case they ruin the 4L in terms of noise and character..
Cheib said:
My bet is that unless they can make it work with the existing engine without a minimal penalty in power then no more GT3 RS’s for Europe. There’s surely no way they can release an RS with less power than a GT3 and I don’t see any likelihood they’d increase capacity just for Europe when they can sell all the RS’s they want in North America with the existing engine.
I'm in complete agreement with you on this admittedly rather confusing point..!BMW have removed the M3 from their line-up because of the PPF yet the M4 remains. Its the same engine so I'm guessing its because of the costs involved in retro fitting the PPF and getting approval that have put the nails in the M3 coffin, which is a shame because its a much nice looking car.
Taffy66 said:
Cheib said:
My bet is that unless they can make it work with the existing engine without a minimal penalty in power then no more GT3 RS’s for Europe. There’s surely no way they can release an RS with less power than a GT3 and I don’t see any likelihood they’d increase capacity just for Europe when they can sell all the RS’s they want in North America with the existing engine.
I'm in complete agreement with you on this admittedly rather confusing point..!Forums | Porsche General | Top of Page | What's New | My Stuff