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My 2019 718 Cayman GTS PDK

Another great write-up Brian and great photo's particularly the one of you and your wife in the '80's! There really are so many great places and museums to see in the UK. Talking of average speed cameras, Andrea & I were in Anglesey the same weekend you were "Down South" and we decided to return home via the left side of the EVO Triangle which itself has now also succumbed to average speed cameras. Another great road spoiled!!

Regards,

Gary

 
ralphmusic said:
Brian,

For interest, a USA track project 718 being used on track:

https://rennlist.com/forums/718-forum/1098253-suncoast-project-car.html

Post #38 is from Sebastian Vittel whose exploits with his 718 GTS "MR", GT2RS, Formula Renault, and Aprillia RSV4 are on YouTube

Ralph
Ralph,

A very interesting 718 4T project from Rennlist. As a convinced 718-4t exponent of three years standing, I'm of the opinion the modifiers will have a field day with the 718-4t when the prices drop, as they surely will if the PH anti-4t brigade, flat-6 ultra, rumours are to be believed. Driving my 718 GTS as I do, in manual Sport mode, on the roads I love, the car is absolutely brilliant. The untapped potential is clearly there for the taking. Real motorsport drivers don't give a toss about the sound, it's the dynamics that count. A good 718 CGTS PDK with ceramic brakes may well be the modifiers car project of choice in the not too distant future.

BTW, is Seb Vittel his real name?

Brian

 
Brian,

I expect it is a ‘nom de course’ as he is French with a preference for water over alcohol when on driving duties.

 
Ralph,

My Seb Vittel remark was intended tongue-in-cheek. He certainly seems to know his way around the 'Ring.

Back to business......

Oil Lab Analysis Report Received.

Today I received the oil analysis report on my 718 GTS via email from the Oil Lab. Oil sample taken following 7000 mainly rural road miles and 3 track day events.

A copy is attached below. You will see that the report states the oil is fit for further service. Although I personally would never leave my oil and filter change for 2 years/20,000 miles, it would be an interesting comparison to have the analysis done on a new car after such an interval, if only to see how the constituent values differed from mine.

Of particular interest to me are the readings for Total Insoluble Matter, Fuel Dilution, Aluminium, and Copper. The two latter elements are related to piston ring and bearing wear. The threshold for attention is recommended at 20ppm for Aluminium, and 50ppm for Copper. In both cases my oil sample was well within the threshold.

Fuel dilution was zero. The high figures for Boron, Calcium, Phosphorus, Magnesium and Zinc, are according to the Oil Lab, attributed to additives associated with the particular brand of oil, in this case Mobil 1 Fully Synthetic.

I hope this information is helpful to other Porsche owners considering whether or not to have an interim oil change. Going by this particular analysis, for normal road driving conditions, it's probably not worth the expense having an interim oil change.

BTW, I am very impressed with the Oil Lab efficiency of service.

Brian



 
My 718 CGTS has now passed 7500 miles and is going exceptionally well in all departments. No problems whatsoever.

Readers of my scribbles may recall my previous experience with the 2016 718 CS, when after 6500 miles I noticed an improvement in performance and mpg. In the case of the current 2019 718 CGTS, I can confirm I also detect a slight improvement in performance with regard to the turbo boost pressure readings. Following the running-in period, in my case 1800 miles, the maximum boost pressure I saw recorded during normal road driving was 0.9 Bar. I can report that boost gauge now shows 1.1 Bar at full boost when in Sport or Sport Pus mode. I am of the opinion that there may be an algorithm buried somewhere in the ECU that triggers the full boost performance mode following a defined period of miles/Kms driven from new. The triggering of this algorithm may also be dependent on the way the car is driven and the nature of the roads used. As well as the mountain roads and steep inclines which dominate my locality, I have also done 3 track days. As a result my engine has had extensive usage at 100% throttle, far exceeding the opportunities for such use arising from similar cars driven more gently, and predominately on dual carriageways and motorways where speed limits curtail full boost opportunities.

This is merely my theory, based on personal observation and experience driving my car as I do. As for the mpg, I can report no change. My overall recorded mpg on the ECU currently shows 27.7 mpg over the 7634 miles currently recorded. On a tour on intercity routes I may see 32-36mpg when in Normal "D" mode using the coasting option and 7th gear. In contrast to some other 718 owners, I have never seen mpg figures anywhere near 40mpg on my car.

Brian



 
I am sure you mean-algorithm-,Brian-at 7500 miles ,your car has hardly breathed despite your full throttle periods-but many shafts,bearings ,thrust washers etc will be nicely honed in & could also lead to the extra boost.

 
October Fest

It's October, and the vast majority of tourists have returned to their home-land restoring my beloved Highland playground back to its camper-van and caravan-free state. Bliss......

Just for fun, today I packed the Nikon DSLR, fired up the GTS, and set off across country via the A939 Grantown route to Nethy Bridge and Boat of Garten. Save for a few locals and season savvy tourists the roads were traffic-free, and on this particular occasion, thankfully also roaming-sheep free. On my outward trip on the A939 Grantown road crossing Dava Moor, I came up behind a dawdling Audi S4 Estate car doing 45-50mph. Upon seeing my Porsche in his mirrors the driver for whatever reason, picked up the pace. As many readers will already know, corners are not the Audi's friend, and on this particular section of the A939, glowing brake lights and terminal understeer meant that this Audi and its driver were impeding my natural, and perfectly legal, pace. When a straight section eventually appeared, rather than flashing the left indicator to allow me a safe overtake, the Audi driver floored the accelerator and drew away at grossly illegal speeds. Being generally a law abiding driver, I let him go. A short while later a series of tight "S" bends with adverse cambers and bumpy surfaces meant I caught him up again, only for the same repetition of straight line speed law breaking. What is it about Audi drivers that makes them see red mist (Guards Red?), whenever a Porsche comes up behind? In my many decades of track driving experience the golden rule is if someone catches you up, they are faster than you, so you let them overtake. The same rule applies on the public road. Seemingly some Audi drivers are oblivious to this.

My route from Boat of Garten followed the A938 to Skye of Curr and Duthil, hooking up with the B9007 across the western fringes of Dava Moor heading for home on the Moray Coast. This is a glorious road. Only recently resurfaced, and with frequent Passing Places, it is bowling green smooth and follows the contours of the land in a flowing, keen driver friendly manner, with many long distance sight-line sections where you can line up car for the corners and wallow in the sheer joy of driving. On roads such as this, manual shifting is by far the best choice for maximum driving pleasure. I used Sport/Sport Plus and mainly 4th gear. You don't have to doing illegal speeds to enjoy roads like this. On the long-sighted sections incorporating wonderful flowing bends, 4th gear was spot-on for my GTS PDK. A road speed of 60mph in 4th equated to 3450rpm, slap bang in the middle of the maximum torque band of 2000 - 5000 rpm. This meant the turbo was constantly spooled-up with a decent boost pressure providing an instant throttle response between corners and very rapid progress. I chose to hang on to 4th gear most of the time, dropping to 3rd only occasionally according to the demands of the undulating terrain. I have also driven this same road in my sublime Cayman R manual. It was an interesting comparison today thinking back to driving my CR on the B9007. With the CR manual 4th gear as I recall was a tad too long on this particular route, dropping the revs into the annoying "emissions lag" zone between 2000 and 4000 rpm, whereby the engine "fell off the cams" until the variable cam timing kicked-in at 4000rpm. It was therefore preferable, for maximum driving enjoyment, to engage 3rd gear on the CR. This however, made the driving more frantic as revs were increased by around 1000rpm to around 4400rpm to attain the same rate of progress. This had the downside of alerting any hill-walkers in the vicinity, by greatly increasing the volume and risking being branded as a hooligan driver. The 718 GTS PDK in a similar situation is a much more refined proposition, and rapid progress is quieter to the extent that you could say it is almost unobtrusive. Going by todays experience, Clearly my 718 GTS PDK is by a considerable margin faster across country than my CR ever was. That is 7 years of Porsche R&D progress I guess.

For your interest I have a few photos to follow from my drive-out day. I also post the PCM mpg stats from my drive today. Driving the 718 GTS in the manner described on such roads, the mpg is entirely acceptable. On the same trip my CR manual would have been around the same 23-24mpg figure, bearing in mind the extensive use of 3rd gear rather than 4th on my GTS.

Happy days.

Brian







 
Hi Brian ... am also just back from a glorious run out, not in my Audi S4 Avant though [;)] honest :ROFLMAO: . Skirting the East of the Cairngorms National Park, the East Coast and home via Deeside. 120 miles @ averages of 49mph / 29mpg.

 
I’m disappointed Brian, I was expecting to read that you decided to back off from the Audi only to find he’d run out of talent on the next corner (without injury of course).

No doubt he’s in the pub now bragging about how the latest 900hp 911 couldn’t pass him! If only he knew the truth :)

Andrew (ahem, an Audi driver)

 
Thanks to both Andrews for your Audi owner's comments. Ironically, quite a few of my good friends drive Audi's. Unfortunately it is only a few idiots who spoil the good name of the brand, and on my travels up and down the UK I seem to encounter a disproportionate number of them. On rural traffic free roads, particularly in my neck of the woods, I have a habit of catching up slower cars whenever the road gets twisty. I don't tailgate people, I hang back, bide my time, and use local knowledge together with the GTS big torque to scoot past safely at the first opportunity. Unless of course certain Audi drivers take exception to my GTS in their mirrors and floor the accelerator on the straight bits.

Incidentally Andrew T, I was also disappointed not see the boorish S4driver end up in the ditch, although he did get a bit of a scare on one of the A939 straights where a series of undulations known only to locals almost sent his car airborne at high speed. Cue glowing brake lights yet again. Plonker.

Brian



 
Jeff,

Clearly, you are also one of the season savvy tourists. October/November are the best months to visit the Highlands. Autumn colours are blooming, and the roads are less congested with camper vans, caravans and coaches. The weather is often sunny and calm at this time of year in the north Highlands.

Have a safe trip and Enjoy!

Brian

 

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