There exists a problem that all FWD cars in LFS is MacPherson typed and have a large kingpin offset(aka wheel centre offset), thus lead to a severe Torque-Steering issue, which means a sudden steering wheel movement when you change the throttle input. The higher LSD locking coefficient, the stronger Torque-Steering will be.
The key point to solve the problem is to reduce the kingpin offset (in a short brief, Torque=Force*Lever arm, and the kingpin offset determines the lever arm for the longitudinal force).
To achieve this target, one common method is using Double Wishbone to get kingpin position optimized.
Another method is a derived type of MacPherson by separating upper part into damper axis and kingpin axis, and real example includes Honda's Dual Axis Strut, Ford's Revo Knuckle, General Motors' HiPer Strut.
From this aspect, the designing of LFS-cars seems a little outdated, and it's really a chance to update it. Anyway, it brings a better driving experience and a lot of benefit for vehicle handling.
Some further readings if you are interested:
https://www.suspensiondesigner.com/kpi-kingpin-angle-scrub-radius-wheel-centre-offset/
https://global.honda/innovation/technology/automobile/Dual-axis-strut-suspension-picturebook.html
The key point to solve the problem is to reduce the kingpin offset (in a short brief, Torque=Force*Lever arm, and the kingpin offset determines the lever arm for the longitudinal force).
To achieve this target, one common method is using Double Wishbone to get kingpin position optimized.
Another method is a derived type of MacPherson by separating upper part into damper axis and kingpin axis, and real example includes Honda's Dual Axis Strut, Ford's Revo Knuckle, General Motors' HiPer Strut.
From this aspect, the designing of LFS-cars seems a little outdated, and it's really a chance to update it. Anyway, it brings a better driving experience and a lot of benefit for vehicle handling.
Some further readings if you are interested:
https://www.suspensiondesigner.com/kpi-kingpin-angle-scrub-radius-wheel-centre-offset/
https://global.honda/innovation/technology/automobile/Dual-axis-strut-suspension-picturebook.html