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[Datsun 1200 encyclopedia]

AE86 LSD Swap

Revision as of 09:09, 9 January 2018; view current revision
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Category: Rear Axle And Rear Suspension

You can fit an early Toyoda T-series diff head, including the LSD unit, in a Datsun H165 housing. T-series diff to 1985 is what is needed. 1985-1987 GTS diff is larger.



Only the early ae86 83-early85 zenki diffs 24mm axles and same splines as h165 axles.

Grind out center section from 175mm to 177mm to accept the ae86 carrier. (May need to relive part of the internal step where housing meets the rear bowl to allow ae86 towers to clear fully.

Related a dent to clear bearing retaining bolt in rear bowl just to the outer side and above rear filler plug (approx 5mm with a ball pein Hamner).

Insert carrier and then axles to check for binding and straightness.

Center punch the carrier holes transfering the spot to drill then tap on the housing

Re-drill H165 housing for AE86 centre section as now 10 bolts not 8 (9 bolts approx 35 long and one approx 85mm)

Use driveshaft adapter ring & machine AE86 companion to match. That's it.


AE86 DX & SR-5 
6.38 ring gear
S292: 4.10 2-pinion (Automatic) USA
S314: 3.91 4-pinion (5-speed) USA
6.7" ring gear
T282: Open 
T283: optional LSD (USA Only) 4.30 2-pinion
T234: optional LSD

tap 10 new holes

Pitch Adapter

propeller shaft pitch adapter

AE86 Flange
46mm(?) spigot
78mm PCD
B120 driveshaft
45 x 54 mm H165 pattern
~38mm spigot
adapter: 12cm(?) thick 

Modified Flange Type

Drill 2nd pattern on AE86 flange.

AE86 flange is 78mm pcd (~55mm square)

Drilled for smaller H165 pattern:
IMGP8872.jpg IMGP0478x.jpg

Bolt-Through Spacer Type

Requires more complicated spacer machining

Custom make one, similar to this:

Threaded Adapter

AE86 side, 78mm PCD, spigot hole ~46mm
o0640048012099158869x.jpg o0640048012099216389.jpg

Sunny Truck tailshaft side, 45 x 54 mm pattern, spigot ~38mm O.D.
o0640048012099158870x.jpg o0640048012099216387x.jpg

rally1200 Diff Conversion

Club member rally1200 was going to fit a Sprinter diff centre in the H165 housing. But the housing was bent, so he converted the Sprinter axle assembly to fit the 1200.

5785.jpgAlbum click to view 6235.jpgAlbum click to view 6236.jpgAlbum click to view 6237.jpgAlbum click to view 6238.jpgAlbum click to view

TRD 2-way LSD
15511.jpgAlbum click to view 15510.jpgAlbum click to view