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AMSOIL Slip-Lock Differential
Additive
Effectively Eliminates Gear Housing Chatter
 When
making a turn, the outer wheels of a vehicle must travel faster than the
inner wheels. It is up to the differential to act as a balance arm,
establishing constant equilibrium of torques and forces between the
left-hand and right-hand driven wheels. In standard (or open)
differentials, power is directed to the wheel offering the least
resistance. This works well when making a turn, but in a situation where
one wheel is lifted off the ground, it causes the suspended wheel to
turn while the other remains motionless.
Limited-slip (or positraction) and locking
differentials are traction-increasing devices. Locking differentials
transfer all available torque to both wheels. The teeth of the spider
assembly engage with those on the locker clutch, causing both axle
shafts to operate as one. Locking differentials don't allow one drive
wheel to spin while the other remains stationary. Instead, they keep
both wheels in drive mode, but unlock to permit different wheel speeds
when turning. The engaging and disengaging of the teeth on automatic
locking differentials often causes a banging and clunking sound. Manual
locking differentials usually use an electric motor or vacuum diaphragm
to engage the locker, reducing this noise.
 Limited-slip
differentials allow different wheel speeds when turning, but when one
wheel loses traction, greater torque is transferred to the wheel
offering more resistance. Limited-slip differentials make use of
friction between clutch plates, as opposed to the meshing teeth employed
by locking differentials. Transferring less torque per side,
limited-slip differentials are generally smoother and quieter than
locking differentials, but still sometimes "chatter" when
transferring torque to the wheel with traction.
In some differential applications, a friction modifier
additive is necessary to reduce chatter. AMSOIL Slip-Lock Differential
Additive is formulated with advanced friction modifiers and is designed
to eliminate gear-housing chatter in cars, trucks and SUVs equipped with
limited-slip, positraction and locking differentials. It also reduces
the banging and clunking associated with automatic locking
differentials.
AMSOIL Slip-Lock Differential Additive is formulated
for use with both synthetic and petroleum gear lubricants and safely
replaces manufacturer recommended friction modifiers. Its convenient
flip-top dispenser provides quick and easy application to the gear
housing. One four-ounce bottle of Slip-Lock treats differential
capacities of two to four quarts. It is not for use in automatic
transmissions or other applications requiring ATF.
NOTE: AMSOIL Synthetic Gear Lubes do not require
the use of this additive. However, not all differentials respond the
same and if chatter is noticed, the addition of AMSOIL Slip-Lock will
eliminate it. For chattering differentials not running AMSOIL Gear Lube,
this product is an excellent solution to the problem.
Product Code: ADA
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