i have a 5997 tg and a5998 tg servos im putting in my buggy, but i dont know the specs. Which one should be steering, and which one should be throttle?

Hitec HSC-5997TG
General Specs:
- Bearings: Dual Ball Bearings
- Gears: Titanium
- 60° speed: .17 sec @ 4.8v
- 60° speed: .14 sec @ 6.0v
- Torque: 136.00 oz/in @ 4.8v
- Torque: 181.00 oz/in @ 6.0v
-- 1.57 x.79x1.46 inches


Hitec HSC-5998TG
General Specs:
- Bearings: Dual Ball Bearings
- Gears: Titanium
- 60° speed: .23 sec @ 4.8v
- 60° speed: .19 sec @ 6.0v
- Torque: 200.00 oz/in @ 4.8v
- Torque: 250.00 oz/in @ 6.0v
-- 1.57 x.79x1.46 inches