Below is the link for the tutorial that i've used to mod my Canon 450D Camera for IR Photography

Modification InstructionsRemoval of IR Cut Filter for Astrophotography & Infrared Imaging

Infra Red Photoghraphy 26 Infra Red Photoghraphy 17 Infra Red Photoghraphy 15 Infra Red Photoghraphy 18 Infra Red Photoghraphy 13 Infra Red Photoghraphy 19 Infra Red Photoghraphy 21 Infra Red Photoghraphy 25 Infra Red Photoghraphy 27 Infra Red Photoghraphy 24 Infra Red Photoghraphy 23 Infra Red Photoghraphy 22 Infra Red Photoghraphy 02 Infra Red Photoghraphy 16 Infra Red Photoghraphy 03 Infra Red Photoghraphy 01 Infra Red Photoghraphy 11 Infra Red Photoghraphy 10 Infra Red Photoghraphy 09 Infra Red Photoghraphy 14 Infra Red Photoghraphy 12 Infra Red Photoghraphy 06 Infra Red Photoghraphy 04 Infra Red Photoghraphy 08 Infra Red Photoghraphy 20 Infra Red Photoghraphy 05 Infra Red Photoghraphy 07