An alternative rear suspension layout was designed to go with this gearbox.
Other minor chassis differences were the addition of a front anti-roll bar and the change to a semi-trailing arm rear suspension layout.
These cars used the revised front and rear suspension layouts used on the very late T60's.
The car also received a modified suspension layout.
The front suspension layout incorporates "anti-dive" features to prevent nose-diving when braking.
In contrast, the suspension layout was almost a direct copy of contemporary F1 practice.
It also suffered from a very rough ride due to the leaf-sprung rear suspension layout.
Mid-1980s, Lotus Cars experimented with active suspension layouts, combining hydraulic and electronic components.
Changes were made to the rear suspension layout, which also meant the exhaust pipe now exited from the left, rather than right-hand side.
It also had a return to a single-keel suspension layout.