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718 GTS 4.0/GT4/GT4RS/Spyder/25th Anniversary Discussions about the 718 version of the GT4RS, GTS 4.0, GT4, Spyder and 25th Anniversary Boxster
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Farah’s Strawberry Shortcake

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Old 01-24-2023, 03:42 PM
  #91  
Roller12
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Originally Posted by colnagoG60
Motor = ~ $30k, gears = $8k - $10k, exhaust = $0 - $20k, LSD = ~ $3k

Given what Dundon said about their headers, and scavenging, along with 4.5 pushing the limits of 9k and 13.4 CR, maybe Miles' exhaust choices needed more fuel map customization. I also think the "GT3" 4.5 is relatively new, so, teething.
Does someone know what the standard 6 speed manual transmission can handle? Isn't 309 foot/pound? What Deman do to renforce?


Old 01-24-2023, 04:40 PM
  #92  
Westcoast
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Originally Posted by Roller12
Does someone know what the standard 6 speed manual transmission can handle? Isn't 309 foot/pound? What Deman do to renforce?
Yes OEM Porsche 6MT in the 718 is good for the 4.0l rated 309 ft/lbs...

For the DeMan upgrade, not sure what he does other than install new gears to help it survive being bashed around at 450 ft/lbs?
Old 01-24-2023, 04:41 PM
  #93  
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Originally Posted by Bents
All I see is him getting owned by Miatas in the lightbulb.
I was thinking the same thing.
Old 01-24-2023, 04:43 PM
  #94  
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Originally Posted by Bents
All I see is him getting owned by Miatas in the lightbulb.
Originally Posted by MaddMike
I was thinking the same thing.
As longs as in the end he is leaving them all well behind with definite authority!
Old 01-24-2023, 04:43 PM
  #95  
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Originally Posted by Westcoast
Yes OEM Porsche 6MT in the 718 is good for the 4.0l rated 309 ft/lbs...

For the DeMan upgrade, not sure what he does other than install new gears to help it survive being bashed around at 450 ft/lbs?
I believe its more of an issue of the stock clutch not being able to hold additional torque/power. Upgraded clutch is installed, and 4.5 builds have been send out sans transmission changes...from what I understand. The "re-gear" is mostly a "different ratio" thing, as opposed to drive line hardening.
Old 01-24-2023, 04:48 PM
  #96  
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Originally Posted by MaddMike
I was thinking the same thing.
Yep
Old 01-24-2023, 04:50 PM
  #97  
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Originally Posted by colnagoG60
I believe its more of an issue of the stock clutch not being able to hold additional torque/power. Upgraded clutch is installed, and 4.5 builds have been send out sans transmission changes...from what I understand. The "re-gear" is mostly a "different ratio" thing, as opposed to drive line hardening.
I know the replacement gears are all about the ratios.

So, if the transmission is good for these power levels without real problems, then it serves to silence those that told me in posts the reason Porsche doesn't put a MT behind the GT3 engine in the 718 chassis was that it was too weak.
Old 01-24-2023, 04:53 PM
  #98  
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Originally Posted by Westcoast
I know the replacement gears are all about the ratios.

So, if the transmission is good for these power levels without real problems, then it serves to silence those that told me in posts the reason Porsche doesn't put a MT behind the GT3 engine in the 718 chassis was that it was too weak.
It might be. Just because a shop that's selling more power, without selling a hardened tranny with it, doesn't mean it doesn't need one. I'm sure it also depends on how mechanically sympathetic the driver is.
Old 01-24-2023, 04:55 PM
  #99  
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Originally Posted by colnagoG60
It might be. Just because a shop that's selling more power, without selling a hardened tranny with it, doesn't mean it doesn't need one. I'm sure it also depends on how mechanically sympathetic the driver is.
100% here, I have seen people beat the crap out of cars, then say it broke because it wasn't built properly, the reality was it was technique!
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Old 01-24-2023, 05:02 PM
  #100  
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Not sure what all the excitement is around the sound, it's uninspiringly bassy and tonally very flat. Needs a muffler that mixes the banks.

Last edited by Montaver; 01-24-2023 at 05:05 PM.
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Old 01-24-2023, 05:09 PM
  #101  
colnagoG60
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Originally Posted by Montaver
Not sure what all the excitement is around the sound, it's uninspiringly bassy and tonally very flat. Needs a muffler that mixes the banks.
It depends on what the owner is looking for. To me, it sounds like a 60s/70s GP car...and not like all the other stock 4L, so, it's different.
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Old 01-24-2023, 05:45 PM
  #102  
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I love the paint color
I love the interior combo

please, let nobody on the interwebs ever repeat the mistake of combining them on the same vehicle.

that said I bet its awesome to drive and generates mucho clicks for Farrah so its a win for him.
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Old 01-24-2023, 05:59 PM
  #103  
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Originally Posted by Westcoast
Yes OEM Porsche 6MT in the 718 is good for the 4.0l rated 309 ft/lbs...

For the DeMan upgrade, not sure what he does other than install new gears to help it survive being bashed around at 450 ft/lbs?
This has been discussed previously:

Originally Posted by GTgears
The original source of these gearboxes was the Euro market Audi A4 TDi. They were designed for a high torque application and the first 987 boxes even had the auto Union Audi 4 rings.

With 987.2 they made a new case casting for the DFi engine bolt pattern and from then on out they all had the Porsche trademark triangle P on them. At the same time they actually beefed up the size of the ring.

Power never has been or will be the limiting factor on these gearboxes. Guys in South Africa use them in 917 replicas with twin turbo audi sixes making nearly double the “big” GT4 engines US vendors build.
Old 01-24-2023, 06:15 PM
  #104  
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Very interesting GTgears! So If Porsche want, thr future Spyder RS could be manual...
Old 01-24-2023, 08:40 PM
  #105  
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Lightbulb

Originally Posted by MaddMike
this forum seems to be obsessed with him and his car.
Because in practicality, there is nothing to talk about. Minimum wrenching and mods.

RL threads are mainly broken up by the following popular topics.

- Resale value & ADM (not paying but everyone knows the calling numbers and of course everyone gets theirs at MSRP) threads.
- PCCB vs Irons.
- Colors, deviated stitching, configurator validations.
- Love all vendors (the usual big names making revenue here), support YouTubers, Influencers.

Not towing the line is basically frown upon and deemed an outcast, troll by the RL caste.
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