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2023 iRacing Season 2 Patch 2 removes durability from select cars with NDM

For 2023 iRacing Season 2, a second patch was released on March 21st and select cars with the new damage model will now be less indestructible.

We’re only two weeks into Season 2 for iRacing in 2023 and already a second patch is available for the build that was released in early March.

While a lot of content is updated via the iRacing Update Manager, for 100% content owners it’s only a 430.3MB download so it shouldn’t take too long to worry about when you log back in.

One of the big changes in Tuesday’s (March 21) patch is the new damage model. While the car I primarily drive, the NASCAR NEXT Gen, didn’t receive these updates today, a variety of cars have been toned down in terms of durability. GT4 cars, a bunch of open wheels, and even the 1987 NASCAR stocks will now be more “realistic” and weaker when damaged.

Some other fixes mostly aimed at making certain parameters in cars and tracks work properly, like: B. the race controls, were also included in the patch. Another notable addition was the addition of a graphical option for better buffering capabilities.

The update went live at 8:00am ET and completed around 9:40am ET. Check out the rest of iRacing’s patch notes below.

SOURCE: iRacing

Unique iRacing update by Dale Earnhardt Jr. for 1987 NASCAR stock cars




  • Fixed an issue where cars at Charlotte Motor Speedway – Rallycross appeared to fly over the track surface when back-patching was not in effect.


  • A new graphics option, ZBuffer32Bits, has been added to the rendererDX1.ini file.
  • – This option is on by default (set to 1) and forces the simulation to use a 32-bit deep buffer. This helps NVidia users who are seeing excessive z-fighting. This option uses twice the video memory for the depth template buffer (it grows from 32 bits to 64 bits per pixel).

AI racing

  • AI drivers have improved their racing behavior with the Skip Barber Formula 2000 and should be less likely to slide and smoke. Both harmed her health.

New damage model

  • With the systematic changes to the new damage model released with Season 2023, many vehicles found themselves in a place of unrealistically increased durability. This patch includes a variety of vehicle body adjustments that should weaken their strengths in general and make the cars much more realistic. We continue to evaluate realism and balance for New Damage Model cars with the 2023 Season changes, and additional updates to these or additional cars may be included in future patches. The following vehicles are affected by these changes:
  • – – GT4 cars
  • – – NASCAR Classic 1987 cars
  • – – Touring class cars
  • Dallara F3
  • – – Branches iR-01
  • – – branches IR18
  • – – Dirt street camp
  • – – Formula Renault 2.0
  • – – Global Mazda MX-5 Cup
  • – – Indy Pro 2000 PM-18
  • – – iRacing Formula iR-04
  • – – Mercedes-AMG W13 E-Performance
  • – – SCCA Spec Racer Ford
  • – – Street inventory
  • – – USF 2000


  • Fixed a simulator crash issue that could occur when fast forwarding or rewinding a replay for a session that included driver changes.
  • Fixed an issue that could cause the window title bar to display the wrong message when saving a replay.


ARCA Menard’s Chevrolet Impala / Gen 4 Cup

  • (Gen 4 Cup) – Auto Fuel is now available for this car.
  • (Gen 4 Cup) – The higher revving external/trackside engine sounds have been improved.
  • (Gen 4 Cup) – Updated pit board to display correctly.
  • (Gen 4 Cup) – Updated enemy car rev limiter.

Audi R8 LMS GT3

  • Fixed an issue where the dashboard box RPM was not changing colors correctly.

Dallara F3

  • iRacing setups have been updated.

Branches iR-01

  • Updated the wing adjustment tooltip for accuracy.

Ford GT2 / GT3

  • These vehicle names have been slightly adjusted for clarity.

Honda Civic Type R

  • Fixed an issue where the dashboard box RPM was not changing colors correctly.

Later model stock

  • The permissible adjustment range of the bump stop has been narrowed.
  • The maximum braking force value has been reduced.

Lotus 79

  • iRacing setups have been updated.

Modified – SK/NASCAR Whelen Tour Modified

  • These vehicle names have been slightly adjusted for clarity.

NASCAR Truck Toyota Tundra TRD Pro

  • Fixed an issue with the display of this vehicle in the paint shop.

Porsche 911 GT3 Cup (992)

  • The low fuel warning can now be cleared by mapping and holding the low fuel acknowledgment control for 2 seconds.

Renault Clio RS V

  • Fixed an issue where a member entering an open practice session with this car could cause all other drivers in the session to crash with the desktop.

Call RT12R

  • Fixed an issue where this car could not be loaded at night.


Circuit of Jerez – Ángel Nieto

  • (Both) – Fixed an issue where drivers could receive an unsafe pit entry/exit penalty when driving next to the pit wall on the track side.
  • (Moto) – Fixed an issue where DRS was not working on this track configuration.

Crandon International Raceway

  • Fixed a race control issue on this track.

Knockhill Circuit

  • (National & National Rev.) – Added a time gain checkpoint at the exit of the dirt area to prevent cutting wide onto the back road for a better line.

Limaland Motorsports Park

  • Fixed a race control issue on this track.

Sebring International Circuit

  • Fixed some issues with terrain surfaces and environment graphics.
  • Updated the terrain near the pits.

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