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[ChromeTuna]

As y'all know, there's a bug with tire wear being different after a pit stop. In combination with dlrws6, we've done some testing, to put some figures together, and give us something to look at.

Here's what i come up with...

Testing conditions...
Online
Apricot Hill
20 laps, pit on lap 10
Race Hard tires
stock vehicles
tire wear/fuel consumption set to Very Fast

----------------------------------------------------------------
2012 Nissan GTR Black Edition (AWD)

1st stint
tires......Front...4/1(1.03)........4/1(1.04)..........5/1(1.05)
............Rear....7/6(1.03)........7/5(1.04)..........9/7(1.05)
fuel remaining...1/8(1.03).........1/4(1.04)..........1/8(1.05)
best time......1:26.682(1.03)....1:26.745(1.04)...1:25.915(1.05)
tire noise...normal for both versions

2nd stint
tires......Front...4/1(1.03).........4/1(1.04)............4/1(1.05)
............Rear....6/4(1.03).........4/1(1.04)............8/6(1.05)
fuel remaining...1/8(1.03)..........1/8(1.04)............1/8(1.05)
best time........1:25.916(1.03)....1:26.453(1.04)....1:25.646(1.05)
tire noise...constant for both versions

---------------------------------------------------------------------------
2010 Honda Fit RS (FF)

1st stint
tires......Front...7/6(1.03)........7/6(1.04)...........8/6(1.05)
............Rear....10/9(1.03)........10/9(1.04)........10/10(1.05)
fuel remaining...5/8(1.03).........5/8(1.04)...........5/8(1.05)
best time......1:42.119(1.03)....1:41.687(1.04)....1:41.918(1.05)
tire noise...normal for both versions

2nd stint
tires......Front...7/6(1.03).........6/5(1.04)............7/6(1.05)
............Rear....10/9(1.03).........10/9(1.04).........10/10(1.05)
fuel remaining...5/8(1.03)..........5/8(1.04)............5/8(1.05)
best time........1:41.899(1.03)....1:41.937(1.04)....1:42.246(1.05)
tire noise...normal for both versions

------------------------------------------------------------------------------
M4 Coupe (FR)

1st stint
tires......Front...5/3(1.03)........5/2(1.04)...........6/3(1.05)
............Rear....8/6(1.03)........7/6(1.04)...........9/8(1.05)
fuel remaining...1/4(1.03).........1/4(1.04)...........1/4(1.05)
best time......1:27.570(1.03)....1:26.731(1.04)....1:27.219(1.05)
tire noise...normal for both versions

2nd stint
tires......Front...5/3(1.03).........5/2(1.04)............6/3(1.05)
............Rear....6/3(1.03).........6/3(1.04)............7/5(1.05)
fuel remaining...1/4(1.03)..........1/4(1.04)............1/4(1.05)
best time........1:27.499(1.03)....1:26.673(1.04)....1:27.291(1.05)
tire noise...constant for both versions

--------------------------------------------------------------------------
Red Bull X2014 Junior (MR?)

1st stint
tires......Front...8/7(1.04)
............Rear....9/8(1.04)
fuel remaining...1/2(1.04)
best time......1:15.595(1.04)
tire noise... and who cares, engine sounds awesome

2nd stint
tires......Front...8/7(1.04)
............Rear....9/8(1.04)
fuel remaining...1/2(1.04)
best time........1:15.101(1.04)
tire noise...

As you can see, the GTR, and M4 had speedy tire wear on the rear for their 2nd stints, while the Fit(FF), had pretty much the same wear across the board. The RB Jr is the poster child for consistency.

Most of the lap times are close enough, to where I don't see any real relevance, except for the M4, that's a pretty good difference. Who knows what that may, or may not mean, if anything.

--------------------------------------------------------------

Honda HSV Base Race Car

1st stint
tires......Front...8/6(1.05)
............Rear....9/8(1.05)
fuel remaining...1/8(1.05)
best time........1:17.604(1.05)
tire noise... normal

2nd stint
tires......Front...8/6(1.05)
............Rear....8/6(1.05)
fuel remaining...1/8(1.05)
best time........1:18.877(1.05)---Not sure what happened here. Car felt fine, but absolutely could not run another 1:17. 
tire noise... constant

[ChromeTuna]

Here's dlrws6's post copy/pasted from another thread...

Here are my current test numbers.  Keep in mind all testing was done on Apricot Hill with Racing hard tires.

FF
07 VW Scirosucco two 10 lap stints v1.03
Stint one 5, 3 front 8, 7 rear
Stint two 4, 1* front 9, 7 rear


*I don’t know if tires go to 0.  This one felt flat as soon as it hit 1 halfway through the last lap.

I have not reviewed lap times yet.

4WD

Subaru S206 NBR Challenge something: two 10 lap stints v1.04
Stint One 6, 3 front 8, 7 rear, best lap 1:31.656*
Stint Two 5, 3 front 8, 6 rear, best lap 1:30.741

*I figured this was a fluke just one to many mistakes. I restarted and did another five laps on the first set of tires and ran a 1:30.900.  I plan to run this one again. But the car felt like it had more grip and generally faster on the second stint.

On a side note this car is an awesome car to drive and I hate 4WD cars.

FR

00’ Camaro SS two 10 lap stints v1.04
Stint One 5, 2 front 8, 7 rear best lap 1:32.430
Stint Two 5, 3 front 6, 5 rear best lap 1:32.740

Finally as a consistency test and a quick comparison of the game versions  I ran several 8 lap races with the same Camaro. Here are the results tire wear only.

Race 1. V 1.03
S1 8,6 front 9, 9 rear
S2 8,7 front 8,8 rear
Race 2.
S1 8,8 front 9,9 rear
S2 8,7 front 9,8 rear
Race 3:
S1 8,7 front 9,9 rear
S2 8,8 front 9,8 rear
Race 4 V1.04
S1 8,8 front 9,9 rear
S2 8,8 front 9,8 rear
Race 5
S1 8,6 front 9,9 rear (I made a few mistakes this stint)
S2 8,7 front 9,8 rear

Its harder to see with the shorter lap count but the rear tires consistently wore quicker on the second stint compaired to the first, without a similar increase in the fronts.

[dlrws6]

{old}

I should have more to add by the end of the weekend.  For the next batch I'll post in the same format you used in the first post.  I also plan on setting aside a set of cars specifically for testing this for each game update... Well at least until its fixed.

{old}

To keep all results near the front of the thread.

V1.05 results

20 laps Online Race at Apricot Hill, weather fixed, tire/fuel wear very fast and fuel numbers based on 101 liter fuel tank. (It takes 101 liters to fill a completely empty tank per the pit stop window. All cars appear to be equipped with a 101 liter fuel cell instead of their proper fuel tanks. (kinda a shame)


FF
Acura Integra Type R
Stint One
Tires  Front 6, 5
         Rear 10, 10
Best lap 1:37.268
Fuel capacity 52 liters

Stint Two
Tires Front 5, 4
        Rear 10, 10
Best lap 1:36.956
Fuel Capacity 55 liters

the Tires fell off approximately 1.5 laps sooner on the second stint than the first.

4WD
Audi TT 1.8 00'
Stint One
Tires Front 6, 4
        Rear 10, 9
Best lap 1:36.995
Fuel Capacity ~49 liters  (pit stop glitch)

Stint Two
Tires Front 4, 2
        Rear 10, 9
Best Lap 1:38.297
Fuel Capacity 47 liters

the Tires fell off approximately 2 laps sooner on the second stint than the first.

During both races on the first pit stop I did not get the pit stop window to choose tires and fuel.  In both cases I coasted in with no hands or feet making contact with a controller.


I'll add more when I have time to test.

[DudeTuna]

I used the Tommy Kaira zzII at 10 laps of Suzuka. First off this car is fantastic in GT6. I did not alter it at all, if I remember correctly it has 580pp and blows away the competition. I also used this car for the 20 miles at Willow Springs. It made it easy to get the 1% of fuel left trophy.

Anyway 10 laps of Suzuka. First stint of 8 laps tires front 3 rear 7. I went so deep into the race there were only 2 laps left, but at least the wear was equal at front 9 rear 9 after the stop.

[dlrws6]

Well and some good news.  Back on Friday I did 450 miles in an FGT set up for Undy.  I made several pit stops and had even tire wear and no other sign of the pit stop bug.  I even did a 20 lap, very fast fuel/wear and ended up with equal numbers.

Stint One 8, 6 front 6, 3 rear and a best lap of 41.404
Stint Two 8, 6 front 6, 3 rear and a best lap of 41.353

On the down side, I tried to do more testing and I think I broke it worse.

Instead of doing just a 20 lap online race for the test.  I did a 5 minutes qualifying session followed by a 21 lap race.  The 5 minute session was to warm up for consistence sake and the 21 laps allow me to run two 10 lap stints and pit to get an accurate fuel rating.

Long story long I tried three times and my first pit stop, and only first, would not go right.  The tire/fuel window would not pop up.  My car would automatically stop get some tires and I guess the game recommended fuel and then continue on its way.

[DudeTuna]

Well and some good news.  Back on Friday I did 450 miles in an FGT set up for Undy.  I made several pit stops and had even tire wear and no other sign of the pit stop bug.  I even did a 20 lap, very fast fuel/wear and ended up with equal numbers.

Stint One 8, 6 front 6, 3 rear and a best lap of 41.404
Stint Two 8, 6 front 6, 3 rear and a best lap of 41.353

On the down side, I tried to do more testing and I think I broke it worse.

Instead of doing just a 20 lap online race for the test.  I did a 5 minutes qualifying session followed by a 21 lap race.  The 5 minute session was to warm up for consistence sake and the 21 laps allow me to run two 10 lap stints and pit to get an accurate fuel rating.

Long story long I tried three times and my first pit stop, and only first, would not go right.  The tire/fuel window would not pop up.  My car would automatically stop get some tires and I guess the game recommended fuel and then continue on its way.

First, I'm sorry I took a nap on Saturday before your practice session and completely missed it.

Second, I hear you have to coast into pits to get the pit selection window to pop up.
"If your foot is on the accelerator pedal when the computer catches your car in the pits, the selection box will not come up."
http://www.gtplanet.net/forum/threads/%E2%97%86-s-n-a-i-l-enduro-racing-season-15-starts-february-8th.255685/page-115#post-9289806

 

[dlrws6]

[

First, I'm sorry I took a nap on Saturday before your practice session and completely missed it.

Second, I hear you have to coast into pits to get the pit selection window to pop up.
"If your foot is on the accelerator pedal when the computer catches your car in the pits, the selection box will not come up."
http://www.gtplanet.net/forum/threads/%E2%97%86-s-n-a-i-l-enduro-racing-season-15-starts-february-8th.255685/page-115#post-9289806

 

It happens, but it was a productive test. Soks hung out for a while and we got some decent drafting practice in. Also, I've got a hand full of notes, on fuel economy, pit schedules etc.  I think its going to be a pretty awesome race if the field is big enough.  Possibly better than the last two.  With the real draft setting passing takes more work and a little strategy.  I'm sure I'll be out on the track again soon. I just don't seem to get tired of the FGT at Indy.

In regards to the pit stops.  I guess that could be it, but I thought my foot was off the gas.  I'll have to try again.


In regards to the

[EX_stream_tuna]

dlrws6,

Have you tried any of this since the 1.05 update?  I hear people state that the bug is not fixed, and I would tend to believe them.  I wonder if the "Undy" car simply isn't heavy enough to show the flaws?

Anyway, I think I'm onto what the real problem is.  I think it's a problem with the code in the pit-stop referencing the incorrect tire "type" and replacing a Racing Hard tire from one tire type with a Racing Hard from an older tire type.

The tire model is improved over time, and that results in creation of additional types of tires that exibit different characteristics.

I think a tire change was made even after the release of GT6, and so there is a chance (and I have a strong hunch about this) that the tires you can equip to your cars changed to the new tire type included in that update, but that the code that determines which type of tire is fitted to cars after pitstops was not remapped to the new tire type.

It's putting on a RH "class" tire, but may be putting on a "type A" when it should be "type B".

A simple fix, but I would like to prove this is correct.  We may be able to pass this on to the right people and fix the problem for them (even though we shouldn't need to)

What I want to find, and maybe someone can help with, is was there a specific update of GT6 that either officially or unofficially "made tires quieter"?  If so, I'd like to know which one so that I can possibly roll-back my install and prove that it occured after that update.

We may not have been very far into doing longer events and testing tires by the time that happened, so we may not have3 noticed that "tires after pitstops were broken" by the update.

[ChromeTuna]

It was present very early on. I noticed it the first time I ran the mini enduros in the career. I probably made it to those races within the first two weeks of the game's launch.

If it is somehow changing tire type, it's only the rear, and only some cars. The effected car becomes looser in handling, and as you can see from the tests, wear out the rears faster.

[RoninTuna]

It was present very early on. I noticed it the first time I ran the mini enduros in the career. I probably made it to those races within the first two weeks of the game's launch.

If it is somehow changing tire type, it's only the rear, and only some cars. The effected car becomes looser in handling, and as you can see from the tests, wear out the rears faster.

It's not just the rear, it's all the way around. Something I noticed because I had to pay enough attention to it to be able to counter it in order to win the mini enduro at Pisspot Hill and Suzie Cue. All 4 tires will ware at an accelerated rate, it's only more pronounced in the rear.

[ChromeTuna]

It was present very early on. I noticed it the first time I ran the mini enduros in the career. I probably made it to those races within the first two weeks of the game's launch.

If it is somehow changing tire type, it's only the rear, and only some cars. The effected car becomes looser in handling, and as you can see from the tests, wear out the rears faster.

It's not just the rear, it's all the way around. Something I noticed because I had to pay enough attention to it to be able to counter it in order to win the mini enduro at Pisspot Hill and Suzie Cue. All 4 tires will ware at an accelerated rate, it's only more pronounced in the rear.

It may depend on the car used, but as you can see from the ones I tested in the first post, front tire wear differences were minimal.

[EX_stream_tuna]

It was present very early on. I noticed it the first time I ran the mini enduros in the career. I probably made it to those races within the first two weeks of the game's launch.

If it is somehow changing tire type, it's only the rear, and only some cars. The effected car becomes looser in handling, and as you can see from the tests, wear out the rears faster.

It's not just the rear, it's all the way around. Something I noticed because I had to pay enough attention to it to be able to counter it in order to win the mini enduro at Pisspot Hill and Suzie Cue. All 4 tires will ware at an accelerated rate, it's only more pronounced in the rear.

It may depend on the car used, but as you can see from the ones I tested in the first post, front tire wear differences were minimal.

didn't someone figure out that it depends more on the drivetrain of the car?  That, the DRIVE tires wear faster after the pit?  For AWD, fronts see more wear just because they are doing DRIVE and Braking/Turning -- being pushed harder than the rears.

[ChromeTuna]

It was present very early on. I noticed it the first time I ran the mini enduros in the career. I probably made it to those races within the first two weeks of the game's launch.

If it is somehow changing tire type, it's only the rear, and only some cars. The effected car becomes looser in handling, and as you can see from the tests, wear out the rears faster.

It's not just the rear, it's all the way around. Something I noticed because I had to pay enough attention to it to be able to counter it in order to win the mini enduro at Pisspot Hill and Suzie Cue. All 4 tires will ware at an accelerated rate, it's only more pronounced in the rear.

It may depend on the car used, but as you can see from the ones I tested in the first post, front tire wear differences were minimal.

didn't someone figure out that it depends more on the drivetrain of the car?  That, the DRIVE tires wear faster after the pit?  For AWD, fronts see more wear just because they are doing DRIVE and Braking/Turning -- being pushed harder than the rears.

Look at the first post's test results, and you tell me.

If I can get some free time, I'll test those same cars again, and see if anything changed. I may throw in the Honda HSV as well, just to get another race car in there.

[RoninTuna]

It was present very early on. I noticed it the first time I ran the mini enduros in the career. I probably made it to those races within the first two weeks of the game's launch.

If it is somehow changing tire type, it's only the rear, and only some cars. The effected car becomes looser in handling, and as you can see from the tests, wear out the rears faster.

It's not just the rear, it's all the way around. Something I noticed because I had to pay enough attention to it to be able to counter it in order to win the mini enduro at Pisspot Hill and Suzie Cue. All 4 tires will ware at an accelerated rate, it's only more pronounced in the rear.

It may depend on the car used, but as you can see from the ones I tested in the first post, front tire wear differences were minimal.

There may also be a correlation between the front ware and the loss of rear grip making the ware less evident when not compensating for the increased ware. I was unable to win those races due to tire ware and was forced to compensate, it seems feasible that the reduced rear bite and acceleration capacity reduces stress on the front tires due to lower cornering speed. Something that goes out the window once the rear fade is accounted for, it is then that the front acceleration becomes visible. As I type I am going through the replay from when I actually won the race to reconfirm the numbers so I'll have more in fifteen to twenty min and unless my memory is failing me and I am wrong or some unforseeable issue I'll have a replay to go with it.

[ChromeTuna]

It was present very early on. I noticed it the first time I ran the mini enduros in the career. I probably made it to those races within the first two weeks of the game's launch.

If it is somehow changing tire type, it's only the rear, and only some cars. The effected car becomes looser in handling, and as you can see from the tests, wear out the rears faster.

It's not just the rear, it's all the way around. Something I noticed because I had to pay enough attention to it to be able to counter it in order to win the mini enduro at Pisspot Hill and Suzie Cue. All 4 tires will ware at an accelerated rate, it's only more pronounced in the rear.

It may depend on the car used, but as you can see from the ones I tested in the first post, front tire wear differences were minimal.

There may also be a correlation between the front ware and the loss of rear grip making the ware less evident when not compensating for the increased ware. I was unable to win those races due to tire ware and was forced to compensate, it seems feasible that the reduced rear bite and acceleration capacity reduces stress on the front tires due to lower cornering speed. Something that goes out the window once the rear fade is accounted for, it is then that the front acceleration becomes visible. As I type I am going through the replay from when I actually won the race to reconfirm the numbers so I'll have more in fifteen to twenty min and unless my memory is failing me and I am wrong or some unforseeable issue I'll have a replay to go with it.

What I tried to do in everyone of my tests, was run fast, but in control. I wasn't trying to set lap records, I was running an endurance race. Keeping that in mind, knowing my second stint tires would be less grippy. I avoided wheel spin, and sliding to keep my tests as pure as possible.

Also, offline results may differ from online, but I was experiencing the same on both.

Also, also, what car was you using at Apricot Hill? The Honda HSV makes it 10laps, actually pitting at the end of 9, because of fuel. Which means you only have to do 5 laps on the shitty 2rd stint tires. Very easy win, as I've done it numerous times, just for fun.