992 Base Carrera Build (Flat 6 Motorsports)
#61
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Well, we finally got to the dyno today with the S/GTS turbos. We're offering as a kit here: https://flat6motorsports.com/product...kit-992carrera
Installation:
Super simple swap of the turbos which takes the base Carrera to an S/GTS mechanically (from an engine standpoint). The 992 is a bit easier to work on than the 991.2 Carrera thanks to the V-band clamps on the link pipes and smarter routing of the oil/coolant lines to the turbos. Installation can be completed in 4-5 hours by an experienced mechanic.
Development & Testing:
Not a ton here to discuss as these are OEM turbochargers and the guys @M Engineering have a wealth of experience with tuning the S/GTS platform. I might be oversimplifying their efforts, but essentially swap the turbos and load their Stage 1 calibration for the S/GTS. At least it's that simple for a consumer! We've done this a ton on the 991.2 Carrera so we have good experience with a similar vehicle. We did quite a bit of logging and confirming with M-Engineering to make sure everything was working as intended.
Driving Impressions:
The power output is dramatically increased. It's a completely different car (just as the 991.2 Carrera are with the GTS turbos). The base model doesn't have a LSD. Traction isn't a huge problem but now the tires get some nice slip angle/slight drifting on throttle. The car will dance a little bit but in a very controlled and predictable way. I love the ratios in the 8-speed PDK versus the previous generation's 7-speed. It allows the 992 to just keep ripping through the gears. If you have a base Carrera (or waiting on your Carrera T) you need to give some serious consideration to this package. It's a very safe/reliable set-up that is extremely simple. I think a lot of folks would be in love with this package where it sits.
Future Build Plans:
We'll be testing about 15 different exhaust combinations next and doing a large video series on that providing insights on the sound characteristics of each set-up. We do plan to do full bolt-ons (Link Pipes/Muffler, IPD Plenum, BMC Air Filters, CSF Intercooler, Do88 Inlets, and Water/Meth Injection). Our plan is to test that set-up with the stock GTS turbos. After that, we'll be installing the newest generation of the Pure Turbos and see what the true potential is of the 992 Carrera platform. So stay tuned, a lot more coming!
Dyno:
Dragy Figures:
Installation:
Super simple swap of the turbos which takes the base Carrera to an S/GTS mechanically (from an engine standpoint). The 992 is a bit easier to work on than the 991.2 Carrera thanks to the V-band clamps on the link pipes and smarter routing of the oil/coolant lines to the turbos. Installation can be completed in 4-5 hours by an experienced mechanic.
Development & Testing:
Not a ton here to discuss as these are OEM turbochargers and the guys @M Engineering have a wealth of experience with tuning the S/GTS platform. I might be oversimplifying their efforts, but essentially swap the turbos and load their Stage 1 calibration for the S/GTS. At least it's that simple for a consumer! We've done this a ton on the 991.2 Carrera so we have good experience with a similar vehicle. We did quite a bit of logging and confirming with M-Engineering to make sure everything was working as intended.
Driving Impressions:
The power output is dramatically increased. It's a completely different car (just as the 991.2 Carrera are with the GTS turbos). The base model doesn't have a LSD. Traction isn't a huge problem but now the tires get some nice slip angle/slight drifting on throttle. The car will dance a little bit but in a very controlled and predictable way. I love the ratios in the 8-speed PDK versus the previous generation's 7-speed. It allows the 992 to just keep ripping through the gears. If you have a base Carrera (or waiting on your Carrera T) you need to give some serious consideration to this package. It's a very safe/reliable set-up that is extremely simple. I think a lot of folks would be in love with this package where it sits.
Future Build Plans:
We'll be testing about 15 different exhaust combinations next and doing a large video series on that providing insights on the sound characteristics of each set-up. We do plan to do full bolt-ons (Link Pipes/Muffler, IPD Plenum, BMC Air Filters, CSF Intercooler, Do88 Inlets, and Water/Meth Injection). Our plan is to test that set-up with the stock GTS turbos. After that, we'll be installing the newest generation of the Pure Turbos and see what the true potential is of the 992 Carrera platform. So stay tuned, a lot more coming!
Dyno:
Dragy Figures:
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Flat 6 Motorsports
Porsche Aftermarket Specialists
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Flat 6 Motorsports
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www.flat6motorsports.com
Instagram / Facebook / YouTube
Last edited by Flat6Motorsports; 01-25-2023 at 12:54 PM.
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#62
Instructor
Maybe I'm misinterpreting the data, but are the stock numbers understated? They seem to match the advertised Porsche specs almost exactly. I've seen other dyno plots of the base 992 showing more impressive performance.
#63
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Stock vs S/GTS Turbos with tune. Dynos read different so the important thing is consistency and deltas. Same dyno, same car. The only change was the turbos and tune.
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Dudewithout992 (01-26-2023)
#64
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Dudewithout992 (01-26-2023)
#65
Well, we finally got to the dyno today with the S/GTS turbos. We're offering as a kit here: https://flat6motorsports.com/product...kit-992carrera
Last edited by AlterZgo; 01-25-2023 at 11:28 PM.
#66
That's some seriously bonkers performance gains by just swapping a pair of S/GTS turbos onto a base and adding the M Engineering tune. Can you confirm that the base Carrera comes w/ the same fuel injectors, fuel pump, etc. as a S/GTS? Can you run the S's E85 map without making any upgrades to the fuel system like you can on an S/GTS? Also what octane fuel are you using?
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AlterZgo (01-25-2023)
#67
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That's some seriously bonkers performance gains by just swapping a pair of S/GTS turbos onto a base and adding the M Engineering tune. Can you confirm that the base Carrera comes w/ the same fuel injectors, fuel pump, etc. as a S/GTS? Can you run the S's E85 map without making any upgrades to the fuel system like you can on an S/GTS? Also what octane fuel are you using?
Sorry, the table formatting won't render well but hopefully this makes sense on the turbo sizing. Porsche never publicly announced the boost pressure on the 992 base model. The 991.2 was 13psi and Porsche told car and driver the 992 base makes more power with slightly less boost pressure. It could be 12psi and some change, that's not an official number but our best guess with logging and what Porsche has claimed...we went through all of their internal documentation to find an answer and came up empty.
Model - Turbine Size - Compressor Size - Peak Boost
Base / T - 49mm - 45mm - 12psi
S/GTS - 55mm - 48mm - 16psi/18.6psi
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#68
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That brake upgrade is mega. Nice work. Looking forward to the exhaust and suspension discoveries.
#69
Instructor
Confirmed, they're identical outside of the turbos. The turbo footprints are the same, just different wheel sizing. We plan to test e85 as well when we get there. The problem with e85 on these and it's always been the case is you'll have to run a mix around e40 to have enough duty cycle. Great for performance but without a flex fuel system or notion in the ECU, it becomes mixing fuels which isn't practical for a lot of people. That being said, we'd like to see the difference with fuels. I know several folks like to run 100 octane or e85 mixes.
Sorry, the table formatting won't render well but hopefully this makes sense on the turbo sizing. Porsche never publicly announced the boost pressure on the 992 base model. The 991.2 was 13psi and Porsche told car and driver the 992 base makes more power with slightly less boost pressure. It could be 12psi and some change, that's not an official number but our best guess with logging and what Porsche has claimed...we went through all of their internal documentation to find an answer and came up empty.
Model - Turbine Size - Compressor Size - Peak Boost
Base / T - 49mm - 45mm - 12psi
S/GTS - 55mm - 48mm - 16psi/18.6psi
Sorry, the table formatting won't render well but hopefully this makes sense on the turbo sizing. Porsche never publicly announced the boost pressure on the 992 base model. The 991.2 was 13psi and Porsche told car and driver the 992 base makes more power with slightly less boost pressure. It could be 12psi and some change, that's not an official number but our best guess with logging and what Porsche has claimed...we went through all of their internal documentation to find an answer and came up empty.
Model - Turbine Size - Compressor Size - Peak Boost
Base / T - 49mm - 45mm - 12psi
S/GTS - 55mm - 48mm - 16psi/18.6psi
#70
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They all have different tuning calibrations, you need proper tuning to run the turbos. It's possible to use the M-Engineering Stage 0 map but we don't see a point in doing that if you're paying for tuning.
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Dudewithout992 (01-29-2023)
#71
The problem with e85 on these and it's always been the case is you'll have to run a mix around e40 to have enough duty cycle. Great for performance but without a flex fuel system or notion in the ECU, it becomes mixing fuels which isn't practical for a lot of people. That being said, we'd like to see the difference with fuels. I know several folks like to run 100 octane or e85 mixes.
#72
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That's interesting as M Engineering has a pure E85 map for the 992 S. I always thought the fuel pumps, injectors, etc. for a 992S could support full E85. If you're saying you have to run E40 or you'll run out of injector duty cycle, any thoughts on why M Engineering offers a full E85 tune? Is it b/c the base carreras hae smaller fuel injectors than a carrera S/GTS?
#73
It will be very interesting to see the differences in performance (if any) from the stock S/GTS turbos and the modified Pure turbos. Looking forward to that!
#74
Confirmed, they're identical outside of the turbos. The turbo footprints are the same, just different wheel sizing. We plan to test e85 as well when we get there. The problem with e85 on these and it's always been the case is you'll have to run a mix around e40 to have enough duty cycle. Great for performance but without a flex fuel system or notion in the ECU, it becomes mixing fuels which isn't practical for a lot of people. That being said, we'd like to see the difference with fuels. I know several folks like to run 100 octane or e85 mixes.
Sorry, the table formatting won't render well but hopefully this makes sense on the turbo sizing. Porsche never publicly announced the boost pressure on the 992 base model. The 991.2 was 13psi and Porsche told car and driver the 992 base makes more power with slightly less boost pressure. It could be 12psi and some change, that's not an official number but our best guess with logging and what Porsche has claimed...we went through all of their internal documentation to find an answer and came up empty.
Model - Turbine Size - Compressor Size - Peak Boost
Base / T - 49mm - 45mm - 12psi
S/GTS - 55mm - 48mm - 16psi/18.6psi
Sorry, the table formatting won't render well but hopefully this makes sense on the turbo sizing. Porsche never publicly announced the boost pressure on the 992 base model. The 991.2 was 13psi and Porsche told car and driver the 992 base makes more power with slightly less boost pressure. It could be 12psi and some change, that's not an official number but our best guess with logging and what Porsche has claimed...we went through all of their internal documentation to find an answer and came up empty.
Model - Turbine Size - Compressor Size - Peak Boost
Base / T - 49mm - 45mm - 12psi
S/GTS - 55mm - 48mm - 16psi/18.6psi
Last edited by stiff///M; 01-27-2023 at 10:39 AM.
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