Referring to S7atic in
http://www.lancersreactor.com/t/forum/t ... er&M=False
you can mod your "normal" speed and thruster speed, but not cruise speed, which seems to be hardcoded.
Take the engine_equip.ini for "normal" speed and it looks like this for the sabres engine:
[Engine
nickname = ge_bwe2_engine_01 <- bwe2 is the sabre
ids_name = 263679
ids_info = 264679
volume = 0.000000
mass = 10
max_force = 48000 <- edit this: (max_force / 600) = maximum normal speed
linear_drag = 599
power_usage = 0
reverse_fraction = 0.200000
flame_effect = gf_li_smallengine01_fire
trail_effect = gf_li_smallengine01_trail
trail_effect_player = gf_li_smallengine01_playtrail
cruise_charge_time = 5
cruise_power_usage = 20
character_start_sound = engine_bw_fighter_start
character_loop_sound = engine_bw_fighter_loop
character_pitch_range = -50, 25
rumble_sound = rumble_bw_h_fighter
rumble_atten_range = -5, 0
rumble_pitch_range = -25, 25
engine_kill_sound = engine_bw_fighter_kill
cruise_start_sound = engine_bw_cruise_start
cruise_loop_sound = engine_bw_cruise_loop
cruise_stop_sound = engine_bw_cruise_stop
cruise_disrupt_sound = cruise_disrupt
cruise_backfire_sound = cruise_backfire
indestructible = false
outside_cone_attenuation = -3
inside_sound_cone = 60
outside_sound_cone = 180
take the st_equip.ini for thruster speed and it looks like this for a normal thruster
[Thruster
nickname = ge_s_thruster_01
ids_name = 263737
ids_info = 264737
DA_archetype = equipment\models\st\ku_thruster.3db
material_library = equipment\models\ku_equip.mat
HP_child = HpConnect
hit_pts = 1000
explosion_resistance = 0.500000
debris_type = debris_normal
parent_impulse = 20
child_impulse = 80
volume = 0.000000
mass = 10
max_force = 72000 <- same formula as above: (max_force / 600) = thruster speed
particles = gf_ge_s_thruster_01
hp_particles = hpthrust
power_usage = 165
lootable = true
separation_explosion = sever_debris
LODranges = 0, 20