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Monday, October 17, 2016

The Brake Lights on My Nissan Skyline Don't Turn Off

Photo by Karissa Hosek Photography

Do you have a Nissan Skyline, that the brake lights stay on, even with the car off?   If you do, there is probably an easy and inexpensive fix.

It is a common Nissan problem. There is a little stopper, that depresses the brake light switch, when your foot is off the brake pedal. When the little stopper gets old, and falls apart, the brake pedal switch turns the brake lights on.

According to FAST, the correct part number for the brake light stopper, and clutch pedal stopper is 46512-H0101.  The red highlighted part here 46512.  The correct parts are green, although we have also used part number 46584-S0100, which is clear.

It is an easy 5 minute fix, for a fairly common problem.

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Sunday, October 02, 2016

How To Install a Six Speed Getrag Transmission in an R32/R33 Nissan Skyline GT-R

R32 GT-R and R34 Super Taikyu race car

There were two main transmissions used in the Nissan Skyline GT-R's from 1989-2002.  The R32 and R33 used a 5 speed transmission from Nissan(FS5R30A), and the R34 GT-R used a 6 speed transmission from Getrag(V160). The FS5R30A is very similar to the 300ZX transmission internally. The Getrag is the same transmission as used in the Toyota Supra. The input shaft and main shaft are unique to the GT-R, the rest of the internal parts are interchangeable. R32/R33 has 4.111 gear ratio, the R34 has a 3.545 gear ratio.  We have seen people running 4.3, 4.111, 3.7, and 3.54 on R32/R33/R34.

 Getrag V160 in an R32 Nissan Skyline GT-R
Getrag V160 in an R32 GT-R

The Getrag is loud at idle. The synchros aren't that durable. Even though the Supra guys run them pretty hard, we break weird hard parts in them.  They are a newer transmission and offer 6 speeds. The price on them is going up, but they are still a popular swap.  Nissan Skyline GT-R Transmission and Upgrade information

Normal R32/R33  1 3.214 2 1.925 3 1.302  4 1.000 5 .752
275/40/17 - 46 mph 77mph 114 mph 148 mph 197 mph
RPM Drop on 8000 shift 8000 rpm 4750 rpm 5400 rpm 6250 rpm 6000 rpm
Final Ratio - 4.111
Normal R34 1.3.827 2. 2.360 3. 1.685 4. 1.312 5 1.000 6 0.793
245/40/18 45 mph 73 mph 102 mph 131 mph 172 mph 217 mph
Final Ratio- 3.545

Parts Needed

Complete Getrag swap for an R32/R33 GT-R.

Complete Getrag swap for an R32/R33 GT-R. 
  1. Getrag transmission with clutch release assembly
  2. Transfercase (bolt pattern and input shaft are different)
  3. Shifter assembly
  4. Driveshaft (you can get by with changing one section)
  5. Front propshaft (different length)
  6. Clutch (OEM R34 is pull type)
  7. Crossmember (the OEM R32/R33 can be modified to work)
  8. Transmission mount (R32/R33 and R34 are different bolt spacing)
  9. Wiring harness changes (reverse and netural)
  10. Various bolts
  11. Specific fluid

The transmission itself, with proper bellhousing. 

One Getrag V160 for a Nissan. 
Find Getrag V160 for Nissan Skyline here!

A Nissan V160 Getrag getting a rebuild by Suzuki from Shift Racing. 

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Transfercase - The Getrag uses a specific transfercase, so you can't just reuse the one off your R32/R33.

R34 race car transfercase with cooling. Notice no wire to speed sensor

Dirty Getraf with transfercase. They can often puke fluid out of the transfercase.


Shifter assembly. Obviously the 6 speed shifter and knob is different than the 5 speed.

Wires, wires everywhere. 


Driveshaft - The R32/R33/R34 use a two piece driveshaft.  You can get by, with just changing one section of the shaft.

Top is a Nissan Skyline factory driveshaft. The bottom is a carbon fiber for a GMC Syclone/Typhoon


Front propshaft - The length is different between the R32/R33 and R34.

This Getrag has been converted to push style clutch actuation. 


Clutch - The OEM clutch is a pull style clutch. Most aftermarket clutches are push style. Most. The exceptions being Exedy/NISMO.  Push vs Pull Clutch information

This Getrag is in process of getting converted from pull to push actuation

Getrag throwout converted to push style clutch actuation

Getrag with a hydraulic release bearing


Crossmember.  You can swap the crossmember if you want, or just modify your OEM one. Two bolt holes, slightly different spot.

Now if I remembered which was which....


Transmission mount- See above


Wiring harness changes - The plugs are different. The circuit is pretty basic. We will find the proper diagram and put it here eventually.


Various bolts - Some are different.


Specific Fluid - We have run Redline High Temp ATF with success.  We have also used the Toyota Fluid

Everything is pretty straightforward. Remove the old transmission, install the Getrag. If you have all the right parts it should go smoothly. We have seen NISMO mention that the floor needs some hammering, but we didn't run into that issue in the R32 GT-R's that we have done. The recommended gear ratio is 3.7. Splitting the difference between the R32/R33 4.111 and the R34 3.545.  If you have ever seen the Mines R34 getting down on video, we think that car is running the Getrag with 4.3 gears. Using some mechanical advantage.

Tuesday, September 27, 2016

How Much Maintenance Does a Stock R32 Need?

1991 Nissan Skyline GT-R - R32 Legally imported to the USA by

How Much Maintenance Does a Stock R32 Need?

The 1989-1994 R32 Nissan Skyline shares lots of parts with other Nissans. Many of the suppliers are the same, and the parts have similar replacement cycles.  Most cars without service records, you will have to assume that no maintenance has been done.  Plan on at least a fluids, spark plugs, and timing belt change.

Maintenance Requirements for RB26DETT/ R32

Air filter element
Every 36,000 miles
Mobil 1 10-30 , 15-50

3,000 miles or 6 months
Oil Filter
OEM 15208-60U00
Fram PH3682 
Mobil 1 M1-208
OEM(R34) 15208-9E000
Every 3,000 miles
Spark Plugs
BCPR7EIX (one heat range colder iridium)
Every 60,000 miles
Timing Belt
OEM 13028-20P25

Every 60,000 miles
Suspension ball joint grease
Every 72,000 miles or 4 years
Manual transmission fluid
GL-4 75 –90
OR Redline Shockproof Heavy (we recommend)
Every 60,000 miles or 2 years
Differential Fluid - Front
GL-5 85W-90 or Shockproof Heavy
Every 60,000 miles or 2 years
- Center
Nissan Automatic Fluid D
Every 60,000 miles or 2 years
- Rear
LSD GL-5 80W-90 or Shockproof Heavy and LSD additive
Every 60,000 miles or 2 years
Fuel Filter
Purolator F44663 same as 1996 Infiniti J30
Every 15,000 miles
Wiper Blades

As required
Radiator Cap
OEM – 21430-4B700

Brake Pads- Front
AP460 R-4S
FMSI D460, D647, D1182  HB178
As required
- Rear
AP109 .595 R-4S
As required
Brake Rotor - Front
296 mm x 32 mm
As required
Same as Z32 TT
As required
Power Steering belt
AC belt
Alt/ WP /Fan 
4PK 950
4PK 925
4PK 880
4PK= 4 rib 
950= 950mm

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GT-R Alignment Specifications

Front Camber
- 0deg 50’  +/-45’
- 0deg 50’  +/-45’
- 0deg 55’  +/-45’
Front Caster
3deg 55’ +/- 45 ‘
3deg 55’ +/- 45 ‘
3deg 40’ +/- 45 ‘
Front Toe (mm)
1 +/- 1
Front Kingpin
15deg 20’ +/-45’
15deg 20’ +/-45’
15deg 25 +/-45’

Rear Camber
-1deg 15’ +/-30’
-1deg 05’+/-45’
-1deg 05’ +/-30’
Rear Toe (mm)
2 +/-2

Friday, September 09, 2016

Do 16 Inch Wheels Fit Over OEM Brembo Brakes?

16 inch OEM Nissan Skyline GT-R wheel over OEM Brembo

The R32 Vspec and Vspec II got a brake upgrade in the form of Brembo calipers, and larger rotors front and rear.  324mm x 30 mm Brembo front vs a 296 mm x 32 mm Sumitomo/Nissan front.  This larger rotor and caliper required the Vspec and Vspec II get a 17 inch wheel, or did it?

This is one of those things, that gets repeated over and over, but something we never tried ourselves, so with an R32 with OEM Brembos mounted, we gave it a try.

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Showing contact points against the barrel, but surprisingly the face of the wheel clears. 

We were surprised the OEM 16 inch wheel fit over the brakes, and sat flush against the rotor. However spinning the wheel would have been a problem. Each end of the caliper was hitting the barrel of the wheel.

Touching the barrel. 

So a slightly different 16 inch wheel, with a different barrel shape might clear. You would need about 4-5 mm extra clearance to realistically be able to run the caliper. More if you  were a bit more serious.

OEM 17 inch Vspec wheels over the 324 mm Brembo brakes.

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