After engine modifications in 1933 her tonnage was increased to 11,015 tons.
The company also has a history of engine modification.
The drivers are allowed to make engine modifications to increase the speed of their cars.
With engine modifications, more fuel efficiency, a new flight deck.
It can be used in almost any diesel with little or no engine modification.
In addition to engine modifications, the brake arrangements were also changed.
However, both these issues were resolved with engine modifications.
Any engine modification is allowed, except turbo and super charging.
The series allows more engine modifications than most Superbike championships.
Minor engine modifications meant it was also far more reliable.