The DTA is compatible with the Rover 60-2 and 36-1 flywheel mounted triggers of which I have both. The Range Rover flywheel is thicker, heavier and has a 10.5 instead of 9.5 inch clutch, which unfortunately fouls the SD1 bell housing.
Rover 36-1 & 60-2 pickups on automatic flywheels
The 36-1 pickup above comes of a manual flywheel and is an ideal candidate for modifying on to the SD1 flywheel.
After machining the SD1 flywheel it weighed 18lbs, but I forgot to weigh it before hand so I don't know exactly how much weight was saved, but I am guessing 4-5lbs.
The hall sensor is attached to the back of the block, but beware that the two types of pick-up have different diameters and therefore different mounts. If you make your system from bits be sure the mount in your block matches the pickup.
Both sides of the hall sensor mount.
The DTA has 8 coil driver of which I will only need 4.

Bank of 4 double headed coils mount at rear of engine
The DTA software can be down loaded for free, and looks very good.
Below are a selection of sample shots



Under development, will keep you updated.
On Rolling road in 2007. Gave 250hp and 280 ft/lbs torque.
Need
to do some more engine work to tweak!