VHR + FD Gear Ratio upgrades - 3.9 and 4.08

L33T Z34

JUL 08 - Future? - Frontier w/QR25DE king cab
Final drive model: C200
Final drive ratio gear sets:
M/T w/15" wheels = 4.083 = part number 38100-0C760
M/T w/16" wheels = 4.363 = part number 38100-0C860
A/T w/15" wheels = 3.692 = part number 38100-0F56A
A/T w/16" wheels = 3.916 = part number 38100-0B66A

The gear sets will cost you ~$500 from a discount dealer.
The front/rear pinion bearings and companion flange are the same
between the Frontier/350Z/370Z.


R200/R200V
The whole rear differential part numbers:
350Z, manual trans, non LSD: 38301-0C422 (JUN 02 - AUG 08)
LSD: 38301-2C422 (JUN 02 - AUG 08)
Early LSD models (pre AUG 05) had
the same part numbers for both flanges,
38220-AR010.

350Z, manual trans, w/LSD internal rear differential part numbers:
------------------------------------------------------------------
38220-AR010 flange assy, right side
38220-AR011 flange assy, left side
38342-P9010 x2 seal-oil, diff side
38440-0C000 x2 bearing, diff side
38453-N31__ x2 shim-adjust, side bearing (variable part number, won't know until builder inspects)
38420-2C500 entire viscous assy (crap, recomend clutch type locker)
38100-0F46A gear set-final drive (3.538; see Frontier gear sets to upgrade to)
38154-0C0__ washer-adjust, drive pinion (variable part number, won't know until builder inspects)
38120-EC000 bearing-drive pinion, rear
38165-0C020 spacer-housing
38140-0C000 bearing-drive pinion, front
38189-P0117 seal-oil, drive pinion
38210-0C020 flange assy, companion (JUN 02 to JUL 04)
38210-EC020 flange assy, companion (JUL 04 to AUG 08)
43262-01P10 nut-drive pinion (JUN 02 to OCT 06)
43262-01P1A nut-drive pinion (NOV 06 to AUG 08)
38351-0C000 cover rear, final dr (upgrade to Nismo finned LSD rear cover for $50 more; 38351-350DK)
------------------------------------------------------------------
38220-AR000 flange assy, non LSD both sides



The whole rear differential part numbers:
370Z, manual trans, non LSD: 38301-EG53D (OCT 08 - AUG 14?)
LSD: 38301-EH52D (OCT 08 - AUG 14?)
370Z, manual trans, w/LSD internal rear differential part numbers:
------------------------------------------------------------------
38220-JK01A flange assy, right side
38220-JK01B flange assy, left side
38342-P9010 x2 seal-oil, diff side
38440-0C000 x2 bearing, diff side
38453-N31__ x2 shim-adjust, side bearing (variable part number, won't know until builder inspects)
38420-2C500 entire viscous assy (crap, recomend clutch type locker)
38100-0F56A gear set-final drive (3.692; see Frontier gear sets to upgrade to)
38154-0C0__ washer-adjust, drive pinion (variable part number, won't know until builder inspects)
38120-EC000 bearing-drive pinion, rear
38165-0C020 spacer-housing
38140-0C000 bearing-drive pinion, front
38189-P0117 seal-oil, drive pinion
38210-EC020 flange assy, companion
43262-01P1A nut-drive pinion
38351-0C000 cover rear, final dr (upgrade to Nismo finned LSD rear cover for $50 more; 38351-350DK)
------------------------------------------------------------------
38220-1NC0A flange assy, non LSD both sides