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Blackline Honda Civic EK4 Integra Y21/Y80/S80/S4C CRX Helical LSD Diff ATB
Blackline Honda Y21/Y80/S80/S4C Helical LSD
Applications:-
Honda Civic EK4
Honda CRX (Del Sol) Vtec
Honda Civic Si 1999-2000 Vtec
Honda Integra GS / LS 1990-2000
Honda Integra GS-R 1992-1993, Y21
For vehicles fitted with a Y21/Y80/S80 or S4C transmission
Helical LSD Advantages:-
Equal rotational speed to both wheels
Torque distributed according to traction
Minimal service requirements - no clutches
Quick reaction compared to viscous LSDs
Gentle and progressive engagement, low noise
Easily controlled power take-off and drifting
Gears and body manufactured from 8620 alloy steel
Direct replacement into stock differential
Blackline Helical LSD's - How They Work
The Blackline helical LSD's are torque biasing, that is they distribute
torque between the wheels, loading more torque towards the wheel with
the best traction thus improving performance and driveabitily.
Especially in low grip situations. The helical gearing manages the
distribution of friction within the LSD. When torque is applied to the
helical gear system it creates force that pushes the gear into the
differential body, thus creating friction. Increases of torque,
increases the thrust force directly proprotional to the amount of
torque. This allows the Blackline LSD to cope with considerable traction
imbalance even under heavy power conditions, as would be the case on
exiting a powered up corner. But at low torque conditions the LSD can
differentiate quietly and smoothly, thus making the differential very
suitable for normal road driving. The Blackline LSD uses the popular
parallel axis helical geared configuration optimised for even load
distribution. They are designed with a torque bias of 5:1 this means
that if one wheel loses traction then the wheel with the most grip can
receive five times as much torque as the wheel that is slipping.
However, five times zero is still zero, so all these helical LSD's work
best when both wheels are 'planted' and some traction is still available
on the slipping wheel. In practice this is rarely a problem as there is
always some 'drag' on the slipping wheel, however some drivers expertly
use left foot braking to partially lock the spinning wheel. Note -
Helical LSD's work especially well when combined with modern anti-lock
braking systems.
SKU | HLF092 |
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