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The Definitive Differential Thread

Parts Required for a Diff Upgrade 1x - Limited-Slip Differential (choose type from details below) 2x - 1L Diff Oil - (Motul 75/90) 2x - 38440-0C000 - Differential Side Bearing

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Old 04-24-2014, 09:48 AM   #1 (permalink)
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Arrow The Definitive Differential Thread

Parts Required for a Diff Upgrade
  • 1x - Limited-Slip Differential (choose type from details below)
  • 2x - 1L Diff Oil - (Motul 75/90)
  • 2x - 38440-0C000 - Differential Side Bearing
  • 2x - 38342-P9010 - Differential Side Oil Seal
  • 2x - 11026-4N200 - Differential Drain Plug Crush Washer
  • 1x - 38120-0C000 - Carrier Bearing Assembly
  • 1x - 38140-0C00A - Pinion Bearing
  • 1x - 38189-P0117 - Drive Oil Seal

Differential Types
  • Viscous Type
    • OEM
  • Torsen Type (Gear Driven)
    • Quaife $1,100
      • Different part # necessary if Factory VLSD is installed
      • Lifetime Warranty?
      • no harsh engagement
      • no special oil
      • no break in period
  • Clutch Type
    • Cusco Type RS - $1,440
    • Kaaz Super Q - $1,250 <-- 1.5 or 2 way
    • OS Giken - $1,600 <-- Low maint / Smooth, Customizable by Manufacturer
    • Nismo GT Pro - $2,800 *cough

Differential Adjustability (Clutch-Type LSD are adjustable)
  • 60% lock: DD and track fun on street tires.
  • 80% lock: Street and track on wide high grip street tires or R comps.
  • 100% lock: Drifting or a track only car on slicks.

Related Parts (to change while the diff is open)
Related Info
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Last edited by osbornsm; 05-02-2014 at 12:29 PM.
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