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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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Official Dragy Leaderboard. How fast is your NA 718?

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Old 03-02-2021, 01:36 AM
  #46  
JCviggen
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How much are we thinking PDK is worth actually? Half a sec 100-200? The actual time lost to shifting twice is longer than that but there's a bit less drivetrain loss and a tiny bit less weight to compensate somewhat. We need a stock PDK car I guess.

FWIW my 454 PS 3.8L PDK 981 had a best time of 7.8s, average around 8.0, but that car is not entirely comparable.
Old 03-02-2021, 06:25 AM
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Originally Posted by JCviggen
How much are we thinking PDK is worth actually? Half a sec 100-200? The actual time lost to shifting twice is longer than that but there's a bit less drivetrain loss and a tiny bit less weight to compensate somewhat. We need a stock PDK car I guess.

FWIW my 454 PS 3.8L PDK 981 had a best time of 7.8s, average around 8.0, but that car is not entirely comparable.
From the tests ive seen the pdk is worth 0.5 sec on the launch and 0.1-0.2 sec slower on a roll above 100kph. We are gonna find out. Ps your 981 was an animal
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Old 03-02-2021, 07:46 AM
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Originally Posted by Rennolazine
From the tests ive seen the pdk is worth 0.5 sec on the launch and 0.1-0.2 sec slower on a roll above 100kph. We are gonna find out. Ps your 981 was an animal
Yeah, thanks. Actually my 981 had 444 PS (fabspeed plus pse) when I did that sub-8 run, the 454 was later on when I swapped the entire exhaust system out for bigger and better.
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Old 03-21-2021, 12:50 PM
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Default Stock manual spyder hero run



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Old 03-22-2021, 01:19 PM
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Slapped in some BMC filters
She is fast folks...


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Old 04-02-2021, 08:47 PM
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Patiently waiting until some more people come out to play before posting some representative times from our car

Keep them coming guys, this thread is going to be fun

JC
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Old 04-02-2021, 10:35 PM
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Originally Posted by JCR-Porsche
Patiently waiting until some more people come out to play before posting some representative times from our car

Keep them coming guys, this thread is going to be fun

JC
if they are mid-high 7s postem up. Lets get a target to beat. I ran .2 sec slower with bmc filters alone than whats posted with “full system”. So you are defo faster than that. Also list other mods like wheels, aero and weight savjng stuff and surface transforms if theyre on the car.
Old 04-03-2021, 12:31 AM
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I believe his last time was also at the track which is sub-optimal for times. Given that there are 2 shifts involved I expect PDK to be a few tenths quicker on average also. With the 6spd it's all about how quickly you want to slam in the gears.
Old 04-03-2021, 12:17 PM
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Originally Posted by Rennolazine
From JCR’s dyno thread... housekeeping.


Stock GT4, manual

GT4, Full JCR catless headers/opf delete/muffler. Stock ECU
Interesting thread.

Was looking at this old post; were the graphs mislabeled? If not appears the stock system is 1.3 seconds faster going uphill compared to the modified going downhill...

I must be missing something.
Old 04-03-2021, 12:31 PM
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Originally Posted by TXshaggy
Interesting thread.

Was looking at this old post; were the graphs mislabeled? If not appears the stock system is 1.3 seconds faster going uphill compared to the modified going downhill...

I must be missing something.
This old Jcr mod time is already in leaderboard. We are looking at 7’s coming soon. Just need to document the mods accurately and transparently
Old 04-03-2021, 01:59 PM
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Originally Posted by TXshaggy
Interesting thread.

Was looking at this old post; were the graphs mislabeled? If not appears the stock system is 1.3 seconds faster going uphill compared to the modified going downhill...

I must be missing something.
Stock times were very slightly downhill. Modified uphill.

I just threw the dragy in the car on track when lapping, no dedicated runs. Had a passenger, hot tyres, 3/4 tank, slightly up hill, it was windy and the DA was awful as shown on the screen shot also. I didn’t think that the times would then be posted into an official leaderboard when I was asked to share 😂

When I posted originally I did explain this but I think that’s been forgotten since. I forget the post / thread where I posted the screen shots originally

We have done a few dedicated runs since then, I’ll be waiting until others show their times before posting anything more up now it’s more clear how the times are being used / compared

JC
Old 04-03-2021, 02:24 PM
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Originally Posted by JCR-Porsche
Stock times were very slightly downhill. Modified uphill.

I just threw the dragy in the car on track when lapping, no dedicated runs. Had a passenger, hot tyres, 3/4 tank, slightly up hill, it was windy and the DA was awful as shown on the screen shot also. I didn’t think that the times would then be posted into an official leaderboard when I was asked to share 😂

When I posted originally I did explain this but I think that’s been forgotten since. I forget the post / thread where I posted the screen shots originally

We have done a few dedicated runs since then, I’ll be waiting until others show their times before posting anything more up now it’s more clear how the times are being used / compared

JC
post up your best time and your mods. They are public once you post them. I called everyone out on the first post a long time ago and @username everyone on this thread so it shoulda been in your inbox
Old 04-04-2021, 02:57 AM
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Originally Posted by Rennolazine
BTW notice he beat you by 0.64sec to 60, after that you were faster! Delta on 1/4 mile was lower than 0.64 (0.57 sec).
Don't forget that elapsed distance and speed are very different things You can reach 60 a second faster but you won't nearly be a second ahead on the road.
Old 04-04-2021, 06:56 AM
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Originally Posted by JCviggen
Don't forget that elapsed distance and speed are very different things You can reach 60 a second faster but you won't nearly be a second ahead on the road.
I raced an RS for fun but i cant post the video. Its not dramatically faster even against a stock 718 in a straight line. On a curve though it would be on rails and the spyder would end up in a ditch 100%
Old 04-04-2021, 07:30 AM
  #60  
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Oh certainly. Cars are dramatically faster when they have like twice the horsepower. An RS is only like 25% more so they need a lot of space to pull a large gap.

My race car with a 440 HP 3.8 and PDK often countered 991.2's on track and they do walk away a bit but it's not a destruction.

That car had a 7.8 100-200 FWIW. 991.2 GT3 (RS or not) do low 7s so not even a full second off.


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