TwinTurbo.NET: Nissan 300ZX forum - R200 diffs can be adapted to carry the 6 bolt flanges
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Subject R200 diffs can be adapted to carry the 6 bolt flanges
     
Posted by Gordo NA2LS Daytona on August 01, 2019 at 12:10 PM
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In Reply To Speaking of diffs and LSD... posted by platinumist on July 31, 2019 at 07:22 PM
     
Message and used in TT subframes. Nissan has a hodge-podge of gear sets and applications: REAR DIFFERENTIAL CHOICES AND OPTIONS


Z32's have two subframes, one for TT and one for NA. The TT uses the R230 3.69 differential; while the NA R200 has a 4.08. We both agree the 4.08 has got to replaced with a much taller gear.

According to my internet research, Nissan produced R200 series diff with the following ratios:

Z33 – MT – R200 – 3.538
Z33 – MT – R200V – 3.538
Z33 – AT – R200V – 3.357
Z32 – VG30DETT – R230V * 3.692 (6×1 output shafts) This is the Twin turbo
Z32 – VG30DE – R200V – * 4.083 (5×1 output shafts) This is the NA
G35 – Sedan – AT – R200 – 3.357
G35 – Sedan – MT – R200V – 3.538
G35 – Sedan – AWD – AT – R200 – 3.357
G35 – Coupe – MT – R200V – 3.538
G35 – Coupe – AT – R200 – 3.357
G35 – Coupe – AT – R200V – 3.357
Q45 - Coupe - ?? - R200V - 3.13 *
Q45 – G50 – R200V – * 3.538 *- Bolt in to current NA subframe (current setup)
Q45 – FY33 – R200V – * 3.692 *
J30 – R200V – 3.916

* Denotes bolt in replacement; the rest require welding in new subframe components
V= viscous limited slip

Pay attention to five and six bolt flanges and 27 vs 31 spined shafts

The 90-95 Q45 R200V short nose 3.45 diff is a bolt in to NA subframe, but has six bolt flanges, and require either flange swap or TT hub swap.

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