LEXUS IS F '07 OHLINS R&T DFV/OS Giken Replica
Real World Setup
Tuned to replicate Lexus IS F Tsukuba Lap Record
Comfort Medium
CAR : LEXUS IS F '07
Tire : Comfort Medium
Specs
Horsepower: 416 HP / 422 PS at 6600 RPM
Torque : 372.7 ft-lb at 5200 RPM
Power Limiter at : 93.4%
Weight: 1715 kg - official curb weight
Ballast : 92 kg
Ballast Position : -14
Weight Distribution : 54 / 46 as in real life
Performance Points:
496
GT AUTO
NO OIL change
Improve Body Rigidity (
NOT INSTALLED IN THIS BUILD )
Wheels : Stock
Car Paint : Silver or Blue
Tuning Parts Installed :
Adjustable LSD
Fully Customizable Suspension
Suspension - OHLINS Road & Track DFV Coilover Damper Kit (100N/mm / 60N/mm ) - Stock Ride Height + Factory Alignment
Front, Rear
Ride Height: 132 112
Spring Rate: 10.19 6.11
Dampers (Compression): 6 8
Dampers (Extension): 6 6
Anti-Roll Bars: 2 3
Camber Angle: 0.9 0.8 ( factory : F -0.87+-0.75, R -0.78+-0.75 )
Toe Angle: 0.01 0.12 ( factory : F 0.18mm+-2mm, R 3mm+-2mm ) GT6 values : F 0.02+-0.16, R 0.24+-0.16 - all values are total toe in ( + )
Suspension - OHLINS Road & Track DFV Coilover Damper Kit (100N/mm / 60N/mm ) - 15mm Lowered Preset Ohlins Ride Height + Factory Alignment with Optimum Camber for Track
Front, Rear
Ride Height: 117 97
Spring Rate: 10.19 6.11
Dampers (Compression): 6 8
Dampers (Extension): 6 6
Anti-Roll Bars: 2 3
Camber Angle: 1.6 1.5 ( factory : F -0.87+-0.75, R -0.78+-0.75 )
Toe Angle: 0.01 0.12 ( factory : F 0.18mm+-2mm, R 3mm+-2mm ) GT6 values : F 0.02+-0.16, R 0.24+-0.16 - all values are total toe in ( + )
Suspension - OHLINS Road & Track DFV Coilover Damper Kit (100N/mm / 60N/mm ) -35mm Lowest Ride Height + Factory Alignment with Optimum Camber for Track
Front, Rear
Ride Height: 97 77
Spring Rate: 10.19 6.11
Dampers (Compression): 6 8
Dampers (Extension): 6 6
Anti-Roll Bars: 2 3
Camber Angle: 1.6 1.5 ( factory : F -0.87+-0.75, R -0.78+-0.75 )
Toe Angle: 0.02 0.24 ( factory : F 0.18mm+-2mm, R 3mm+-2mm ) GT6 values : F 0.02+-0.16, R 0.24+-0.16 - all values are total toe in ( + )
LSD - OS Giken SuperLock 1.5 Way LSD with Custom Preload and Lock
Initial Torque : 27
Acceleration Sensitivity: 30
Braking Sensitivity: 17
AERO:
REAR : 30 ( Fixed )
Brake Balance:
6/7 ( personal BB) or for ABS 0 wheel : 6/7, for ABS 1 - feel free to use your preferred brake balance. I recommend to run 6/7 for ABS 1.
Recommended setting for DS3 user :
Steering sensitivity at +1 or +2, all aids off, except ABS 1 ( if not comfortable with ABS 0 ) with 6/7 brake balance as starting point.
Notes :
This special replica is one of the most enjoyable car to drive
The Lexus IS F in GT6 is a bit of a mess, a lot of inaccuracy, from power to weight specs. This particular build is replicating a stock powered Lexus IS F with aftermarket suspension and LSD to replace the awful brake based E-LSD that came from factory.
Power is 416HP, in GT6, the IS F came stock with too much power and way too light. Official curb weight is at 1715kg with 54/46 distribution. This figure is with full fuel tank.
For the suspension, I chose Ohlins Road and Track DFV coilover kit. With spring rate at 100N/mm and 60N/mm, the aim is to allow the IS F to be driven with comfort on the street, but also can double as weekend track warrior with good performance. I provided 3 sets of setup, 3 different ride height, stock, 15mm lowered preset from Ohlins and lowest -35mm ride height possible from the Ohlins R&T coilover.
For stock ride height, I used factory street alignment, while the lowered ride height are setup with optimal camber based on the Lexus manual factory alignment.
Factory camber alignment range : F -0.87 +- 0.75 and R -0.78 +- 0.75
Factory toe angle alignment range : F 0.18mm +- 2mm, R 3mm +- 2mm ( all are toe in value - positive ) GT6 values for toe in degree : F 0.02 +- 0.16, R 0.24 +- 0.16 - all base values are total toe in ( + )
LSD is 1.5 way OS Giken SuperLock with high preload and medium lock for balance on the street and track.
I tuned and tested mainly at Tsukuba, aiming to replicate real life record at 1:07.09. This is achievable on comfort medium tire. My test laps were in 1:06s. The replica was built in 1.08, please leave any feedback when driven on 1.09
ENJOY
UPDATE : Corrected toe values.