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❏ 3. Make sure the servo saver is free moving and does not
bind.This will help prevent stripping of the servo during running.
❏ 4. Check for smooth gear mesh between the spur and
clutch bell gears.
❏ 5. Put some after-run oil in the carb and turn the flywheel
several times to work the oil into the engine.This will protect
the engine from rusting, especially when stored for a long
period of time.
When tuning the Overdrive ST make sure that you have
equal lengths from one side to the other on the shocks,
camber rods and steering rods. Also, make sure to have the
shock pre-load adjusters at the same setting from left to
right. They do not have to be the same front to rear.
CAMBER
Camber refers to the angle at which the tire and wheel ride
in relation to the ground when viewed from the front or rear.
Negative camber is when the tire and wheel lean inward and
positive camber is when the tire and wheel lean outward.
Typically you want 0 to -2 degrees of camber. Never put in
positive camber. Make sure that both sides are equal.
FRONT TOE-IN AND TOE-OUT
Toe-in and toe-out refers to the angle at which the tire is at
when viewed from above. Toe-in increases stability under
acceleration . However, toe-in also decreases steering when
entering a corner. Toe-out will increase steering into
corners, but will decrease the overall stability during
acceleration. The front typically is set-up with 0 to -2
degrees of toe-in.
SHOCK OILS AND SHOCK SPRINGS
Many different combinations can be used between the
shock oils and shock springs. Some basic guidelines when
setting up the Overdrive ST are that if the rear end is stiff it
will give the truck more steering and have less rear traction.
Hardening the front will result in less steering and more rear
traction. (Changing the position of the threaded shock pre-
load adjusters results in ride-height change. It does not
change the spring tension). Thinner shock oils make the
shocks react faster, but makes the truck less stable and may
cause the truck to bottom out over large jumps. Thicker
shock oil makes the truck smoother over large jumps and in
straights, but less reactive over rough sections.
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