24hr Nurburgring Ring/Tyre Wear

[GTP_Monkey]

Two weeks to before I attempt the 24hr race in real time on my own, Non-stop. Having done it several times (pausing the PS3 for 2x4hr periods) before tyre was changed and before spec II came out.
Now my question is. Has anyone done any testing on tyre longevity on the high powered cars IE lmp's group C etc since tyre wear update.
Which cars do you find to be the better for conserving wear, I would expect the group C cars to be less forgiving.
I dont usually use TC but might be forced to to preserve tyre.
I fully understand the thoughts about being smooth and gentle but be realistic as driver fatique is going to be a major problem so the smoothest of drives isnt going to happen.



Your thoughts please.

 

[sailworksman]

I have run 4 laps with RH on most LMP's with no assists on other than ABS on LaSarthe. 3 laps on some of the other balls out LMP's. Some things you need to be aware of. LSD settings to minimize wheel spin, brake sensitivity to prevent lock up and throttle control.

I run with ABS on 5 and try to brake while the car is in a straight line BEFORE entering a corner. Feather the throttle thru the turn, then accelerate out. Of course, any lock-up or spin will toast the tires

My choice is the Audi TDi LMP. A bit slower than others, but is has smooth acceleration and great handling. Also the fuel consumption is better too vs. let's say, the Minolta, and you may be able to push it to 5 laps if you have 5 to go!

 

[Lion-Face]

If your on a wheel, go with Comfort Tires, they last plenty of laps and provide some great racing!

 

[sailworksman]

If your on a wheel, go with Comfort Tires, they last plenty of laps and provide some great racing!

👍 U bet, I forgot about that option!

 

[GTP_Monkey]

I have run 4 laps with RH on most LMP's with no assists on other than ABS on LaSarthe. 3 laps on some of the other balls out LMP's. Some things you need to be aware of. LSD settings to minimize wheel spin, brake sensitivity to prevent lock up and throttle control.

I run with ABS on 5 and try to brake while the car is in a straight line BEFORE entering a corner. Feather the throttle thru the turn, then accelerate out. Of course, any lock-up or spin will toast the tires

My choice is the Audi TDi LMP. A bit slower than others, but is has smooth acceleration and great handling. Also the fuel consumption is better too vs. let's say, the Minolta, and you may be able to push it to 5 laps if you have 5 to go!

Thanks for your reply but you missed the question somewhere, First off all ive done 7 24hr races on gt5 non using game save, and also can run the Nordsheife under 5.30 in several different LMP/Group C cars so I know how to drive these beasts.

My question again is, has anyone done any testing on tyres and most of these cars to reccomend the best car for preserving tyres ?? as stated in OP FATIGUE is going to be an issue so feathering throttle is not going to be much of an option 18 hours in and eyes stinging like hell.

Also your mention of the Audi R10 using less fuel hasn.t been replicated in GT5 like real life thats why the R10 suffers so much, check out how many laps it does on Le sarthe compared to any other pssibly 1 or 2 more where in real life there would have been a major diffference, same goes for the 908.

And finally using comforts is again going to need conentration of the highest which is not an option.

have you pair done any 24hr races on your own in realtime IE non stop, I think not please try and read OP and be realistic. The AI lap at 8.15 in dry in the night constistantly, that aint achievable on comforts or even sports for this duration.

 

[Tornado]

In my experience, the Peugeot 905 is the best on tires in that "class" of vehicle (including LMPs as well); with possible exception of the '03 Pescarolo. However, the 905 is considerably faster than the Pesky, so you can probably ease back a bit more and extend things farther while remaining competitive than you could with the Pesky.

 

[sailworksman]

Sorry bro, the best I can say is I have only done 42 laps on LaSarthe online, no 24hr endurance races. The room was full and I placed 4th with the Audi.

On shorter sprint races, it did better on fuel consumption when compared to the Minolta and others (liters spent at the end of X laps). Can it go further? Not sure. May be a moot point if the tires don't last. You will need to pit anyway since there is no option to just take on fuel alone.

I guess I will need to try that. I know sport tires lasted way longer on my 2J in the rain. As the field was pitting, it kept on going right by. In fact, got 10 laps on them, but thats in the rain.

 

[eran0004]

I think fuel consumption is more important than tyre wear. I guess the AI pits every 2 laps so if I ran in the race I would probably do the same, for two reasons:

1. To always stay on fresh tyres (no need to make 24 hours of the green hell even worse by running on the limits of the tyres for a total of 6-8 of those hours). Also, fresh tyres means you can go full speed without worrying about losing grip = faster lap times.

2. To get a minute's rest every 17th minute, rather than every 25th or 32nd minute. It's going to make a huge difference in the long run.

I think fuel consumption is more important to consider, because refueling is what's going to take time when you're in the pit. I think the refueling speed is a bit over 1 liter per second, so if you consumed 50 liters during the previous two laps you'll be in the pits almost ten seconds longer than if you only consumed 40 liters. That's a total of 12.5 minutes (or 1.5 laps) lost in a 150 lap race.

Also, rain will screw up pit stop strategy when it comes to tyre wear, but fuel consumption stays the same regardsless of the weather.

Finally, I did the 24 hour B-spec race this weekend and I tried both 2 lap and 3 lap pit strategies. I found that:
- The first sector without pit stop took 20 seconds to run.
- The first sector with pit stop after two laps took 60 seconds to run.
- The first sector with pit stop after three laps took 75 seconds to run.

This means that the first sector average time with a two lap strategy was (20+60)/2 = 40 seconds and that the first sector average time with a three lap strategy was (20+20+75)/3 = 38.3 seconds. So you only save roughly 1.7 seconds on each lap by doing three laps between pits instead of two, and the risk is that those 1.7 seconds are lost anyway because you will be running low on tyre wear on the third lap.

It seems like tyre strategy is a zero-sum game and the only thing that makes a real difference is the fuel consumption.

This also means that running on sports or comfort tires are useless, because you will burn just as much fuel regardless of what tyres you're running on. The only difference is that with racing tyres you'll have traction while you do it, with the other tyres you'll be Bambi on ice.