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Posted: Jan 14, 2021 @ 10:47 am GMT-0600
Updated: Feb 13, 2023 @ 12:36 pm GMT-0600
Sorting Tags: Automobilista 2, News - All, News - Software,

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Reiza yesterday deployed another update for AMS2 on Steam. The update includes new tire and driveline physics tweaks along with some new AI logic that should greatly improve their skill dodging traffic in multiclass races. They also published the video below, which showcases many of the improvements.

Changelog below video.


Reduced pit speed limit of historical classes from 120 km/h to 100 km/h to minimise issues with AI overshooting its pitbox
Disabled mandatory pitstops in GT1 90s Championship


Fixed issue where UI would become unresponsive when restarting a race from the post session leaderboard screen
Lobbies now always use descending order when sorting lobbies by player
Custom even screens now display full vehicle name instead of abbreviated version
Fixed English label on FFB GAIN INCREASE mapping
Added GT1 HUD icon


Added several new gearbox, clutch, crankshaft, driveshaft & wheel bearing models to better suit various types of drivelines
Reduced differential viscous hump & clutch lock ratios
Revised F-Retro & F-Classic tire carcass (all gens)
Further stiffened carcass sidewall for GT1 / GT3 / GT4 / Prototype / Stockcar tires
Further tire tread adjustments to F3, Mini, Sprintrace, Stock Car, Caterhams, F-Retro, F-Classic (all gens), F-V12, F-Ultimate, Porsche Cup, GT3, GT4, Copa Truck, Street Cars
Fixed error in tire models for BMW Procar, Group A & Opala 1986 cars
Reduced water dissipation for Formula Vee / Copa Fusca / Uno / Opala 1979 / Opala Old Stock tire treads (makes them slightly less efficient on a wet track)
Revised Porsche Cup physics (reduced inertia, more low end engine torque, default setup adjustments, new custom tire tread) (requires setup reset)
Further fine tuning of FFB max force for 570S, Caterham 620R, Ginetta G55, Opalas, Porsche Cup, BMW Procar, Group A, GT1 cars
Slightly reduced aero draft effect (all cars)
Slightly adjusted Mercedes CLK GT1, F-Ultimate default setup (requires setup reset)
Reduced GT1 & Opala rear brake torque (all cars)
Increased pit speed limit in GT1 class to 100 km/h
Mclaren 570S GT4: adjusted aero center of pressure; fixed rear right fast damper range; increased brake torque; adjusted default setup (requires setup reset)
Adjusted engine compression curves for GT1 cars, Mclaren 570S GT4, Ginetta G55, F-Retro, Caterhams
Fixed error in Group A damper and rebound travel (requires setup reset)
Slightly raised Roco 001 CoG height
Slightly stiffened Mclaren F1 LM front suspension rates
Opened up differential adjustments for Caterhams with LSD
Disabled downshift autoblip for Mclaren F1 GTR, Porsche 911 GT1, MCR 2000; enabled for Metalmoro MRX P2
Slightly increased downforce from F-Classic Gen1 diffuser
SprintRace: Adjusted rear wing center of pressure; increased bodywork drag
Reduced engine inertia for F-Trainer, Caterhams
Raised minimal front ride height for F-Classics (requires setup reset)
Adjusted gear ratios for Procar, Group A cars (requires setup reset)
Adjusted default roll bars, dampers for all Porsches (requires setup reset)
Fixed inverted slow / fast damper rates in Porsche Cup cars (requires setup reset)
Fixed asymetrical right front ride height setting in Porsche Cayman Clubsport (requires setup reset)


Added new overtaking logic – AI cars now evaluate speed of cars further ahead to dodge slow traffic more efficiently
Fixed bug causing AI simulated times to fluctuate widely
fixed issue where AIs would brake without reason on pit entry or exit
Further general AI performance callibration for throttle & brake application, tire rolling resistance & drivetrain losses (to better match player straightline speed), launch speed (slow starts still remain an issue with Group A & Procar)
Increased AI speed on wet tracks while running slicks
Slightly increased AI aggression scalars per vehicle
Further reduced AI jerkiness in lateral movement
Reduced AI brake distance offsets
Fine tuned AI brake performance
Update AI fuel load logic for practice sessions (now uses same as quali – further customizations of fuel levels per car will follow in subsequent builds)
Slightly reduced AI quali performance & improvedp practice performance (all cars)


Minor sound loop corrections on transmission whine samples for Porsche GT3R and BMW M6 GT3, Sprint Race and Super v8 samples


Updated weather probability ratios (a bit less rain generally)
Spa: Extensive art & performance pass; added night lighting, added more static objects around scene, more trackside objects; fixed some tree & treeline shadows, fixed holes in paddock area looking from Bruxelles; added new kart building and marshall huts, updated pit fence and other fences; updates to foliage and outside terrain/roads to match the 2020 look; reduced foliage around Blanchimont; Generated new AI paths (much better fast line); adjusted track cut runoff limits
Imola 1988: Fixed a few wall and terrain gaps; Minor AI grip increase
Goiania: Rebuild armco collisions in attempt to fix ireported ntermittent collisions
Curitiba: Further road mesh noise revisions
Curvelo: Reduced road mesh noise
Guapore: Reduced road mesh noise
Ibarra: Updated trackside cams for reverse layout


MetalMoro AJR: Fixed tail lights, external mirrors;
MetalMoro MRX: Adjusted RPM LED ranges for P3 variants
Further fine tuning of exhaust parameters (for cars producing less backfiring)
Further adjusted carbon visual brake glow range
Added new Metalmoro AJR liveries (including a new batch of community skins)

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