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[Datsun 1200 encyclopedia]

R31

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Revision as of 02:27, 2 January 2015
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== 250 mm == == 250 mm ==
-Standard wheel on both R30 and R31 is 14". Shouldn't be any problem running 14" wheels over these brakes. A few 13" alloys will fit, though no steel 13" will fit, even with grinding.+Standard wheel on R31 is 14". Shouldn't be any problem running 14" wheels over these brakes. A few 13" alloys will fit, though no steel 13" will fit, even with grinding.
Though these are relatively small brakes, they are vented so will stand up to repeated braking, or mountain driving. Also see [[S13 Brakes]] for another 250mm brake swap. Though these are relatively small brakes, they are vented so will stand up to repeated braking, or mountain driving. Also see [[S13 Brakes]] for another 250mm brake swap.
 +
 +The caliper bolts are 3.5 inch apart. Not a common dimension for upgrading the calipers.
[http://datsun1200.com/modules/myalbum/photo.php?lid=7340 http://datsun1200.com/uploads/thumbs/7340.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=7340 http://datsun1200.com/uploads/thumbs/7340.jpg]

Revision as of 02:27, 2 January 2015

Nissan Skyline model R31 was built in Japan 8508-9005. It was fitted with a Four Cylinder CA engine, or six-cylinder RB engines, or a Diesel. Australia-built R31 1986-1990 was sold as Skyline (six-cylinder) or Pintara (four-cylinder). Some parts can be used, or modified for use, on a Datsun 1200.

Contents

Overview

Australia Skyline 4S (4-dr sedan)
400px-1988-1990_Nissan_Skyline_%28R31%29_Executive_sedan_04.jpg

Australia Skyline GXE wagon
400px-1988-1990_Nissan_Skyline_%28R31%29_GXE_station_wagon_01.jpg

Australia Pintara Wagon
400px-1989-1990_Nissan_Pintara_%28R31%29_Executive_station_wagon_01.jpg

Australia Pintara Sedan
400px-Nissan_R31_Pintara_GX_Sedan.jpg

Japan Skyline K (coupe)
400px-Nissan_Skyline_R31_2000_GTS-R_002.jpg

Engine

JAPAN
F CA18S
H RB20E/RB20ET SOHC
R RB20DE/RB20DET DOHC
S RD28 diesel
AUSTRALIA 
R31 Skyline: Holden RB30E 
R31 Pintara: CA20E (NAPSX)

SOUTH AFRICA built
CA20S
RB20E
RB30E

Wheels

R31 Pintara 15x6 rims
1918.jpg

R31 Skyline 14" steelies. See Skyline R31 spare steel wheels
7655.jpg

Front Brakes

R31 featured 4-bolt x 114.3 PCD wheels.

250 mm

Standard wheel on R31 is 14". Shouldn't be any problem running 14" wheels over these brakes. A few 13" alloys will fit, though no steel 13" will fit, even with grinding.

Though these are relatively small brakes, they are vented so will stand up to repeated braking, or mountain driving. Also see S13 Brakes for another 250mm brake swap.

The caliper bolts are 3.5 inch apart. Not a common dimension for upgrading the calipers.

7340.jpg

R31 on B10
th_P1020071.jpg

250 mm diameter, 22 mm thick
40207-41L25 HUB & ROTOR [integral hub] <> 40207-41L27
* R31 except 4K+K(RB20DT)
* R31 4K.RB20DT [4-door hardtop]
* C32 Laurel 8410-8610 ALL
* C32 Laurel CA18#+RB20E VG20ET+RD28
* F31 Leopard some
th_40207-41L25.jpg

274 mm

The massive R31 separate-rotor 274 mm brakes require a 15" wheel. Stock was 6x15".

274 mm diameter
40206-59S01 ROTOR-DISC BRAKE, FRONT <> 40206-59S02
* R31 except (K+4K).RB20DT 
* C32 RB20DET *VG20ET ANTI-SKID
* F31 VG30D.ULTIMA 
* Infiniti M30 1989-1993

Strut

R31 uses a standard Nissan 2.0" strut, so will bolt to the usual SAP. However you NEED to buy/fabricate a spacer with shear ring as the locating hole is a different size. R31 struts have a 54mm locating recess on the bottom. The W50 steering arms have a 40mm nub.

Of course you need to fit stock 1200 springs as R31 spring are large diameter.

10119.jpg 10123.jpg

The R31 strut tubes are similar to 280Z struts in that they are short right from the factory. The advantage is that R31 has the strut tube offset to the inside, allowing slightly wider tires inside the wheelwell. This is countered by a short-offset hub, so choosing an appropriate wheel offset is still required. They are low-scrub struts, keeping SAI to a minimum.

Datsport sells a performance version with adjustable small-diameter coilovers. http://www.datsport.com/strut-dsk250C.html

R31 Handbrake Lever

R31 Handbrake Lever in 1200
17955.jpg 17956.jpg


Diff

JAPAN R31
H190: CA18S Sedan, Hardtop, Wagon
CA200: Wagon RB20T [4.11, 8601-]
R200: RB20, RD28 Sedan, Hardtop [IRS]
AUS R31 Borg Warner
* 9-bolt octagonal cover
* has rear disc brakes with finned calipers
BW78: Pintara, 25-spline axles
BW78: Skyline, 28-spline axles

AUS

There is some confusion as the Japan-built R31 used a similar looking diff, the CA200. Aussie R31 used the BW78.

CA200: 8-bolt cover
BW78: 9-bolt cover

See main article: Borg Warner 78

10701.jpg

Rear Discs - see R31 Rear Disc Brake Swap
7424.jpg

Swaps - see BW78 Rear Axle Swap
7815.jpg

CA200

JAPAN R31 Wagon with RB20T SOHC Turbo 1986-1990 
* (build dates 8601-9005)
CA200: Wagon RB20T [4.11 (CA41), 8601-]
* Drum brakes
* 5-link with coil springs
* 4-lug, 28-spline(?) axles
CASE-DIFFERENTIAL 
* 2-pinion
* M12 ring gear bolts
* Fits: CA41,CA43,CA46,CA48,RC35,RC37,RC39,RC41,RC43,RC46 
38421-12S00 8601-8708
38420-P9400 8708 <2> 38420-12S10
CA41 37/9=4.111
38100-F3400 8601-8604
38100-F3401 8604- $677 USD
SHAFT ASSY-REAR AXLE
38162-42L00 
* R31 with CA18S
* R31 Wagon
* C32 some
* GC22 Vanette 8605 2WD
DRUM-BRAKE,REAR
43206-U4800
43010 CASE ASSY-REAR AXLE
43005-84S55 HOUSING W/GEAR <2> 43005-84S56
38423 GEAR-SIDE
38423-C6100
* (G)C22,D22,E23,E24,F22,F23,R31,WD21,160,250,

Alternative for swaps: GC22 Vanette - CA200 w/LSD

Gearbox

Japan-built R31 used FS5W71C 5-speed transmission.

32707-58S10 Sleeve, Speedometer Pinion 19T for CA18
* same as C22 with A12 engine

Speedometer cable with the larger end will work for Datsun 1200. 810 (200B) cable will work.