During February of 1943 the Navy asked for to research processes to improve the power for this Avenger. In response undertook a design research of a better Avenger with a 2000 hp R-2800 engine and a 250CE turret. The popular for the engine for virtually any other greater concern aircraft prevented the appearance research from progressing however the importance of additional motor power for the Avenger was indeed now recognized.
The TBM-3 retained the weapon armed wing in regards to the TBF-1C with Mk 5 zero-length rocket launchers standardised rather than the sooner Mk 4 rocket rails. The cockpit instruments were re-arranged and to raise the pilots night vision these devices panel illumination was changed from direct ultra violet lighting to indirect red lighting.
