Since I ve been messing with modding

[unkempt granite]

now try the second mod on the demo level from bacon racing assets

[thorn burrow]

How does it work with the bigger vehicles? Trucks, BTR’s, and Strykers on hills an such

[warped estuary]

Both help increase their acceleration. If you look at the first one's mod description on the workshop it'll tell you exactly how long it takes for each vehicle to go 0~60 on vanilla vs modded.