The M8A1 is a fine tier 4 TD, one of the best vehicles of its tier. However its depression numbers are half of what it was IRL according to The_Chieftain.
"Apparently WoT has been underestimating the amount of comfort that the "M8A1" is capable of. The real one was -20/+40." -The_Chieftain
This applies to all guns on the M8A1 not just the small 75 mm howitzer.
This could be a wicked little buff to an already good vehicle.
Bring on the Comfort
Edit: It also seems the T40 has less depression and elevation than it did in real life. A downside to the T40 is that the devs did gave it more gun traverse than it is suppose to have.