I tried som LEDs in the 1100, and took em out again.
The indicators were brighter directly behind, but missed the reflector so the whole effect was reduced. The flash rate was very high, but an electronic flasher would fix that (if you can find the right fit, I was going to make up an adapter lead. )
The brakes again, very narow beam, and the whole light assy was not lit.
Theremay be LED bulbs out there now that will correct these faults.