This was a bit of a wild ride. The Top Speed R32 GT-R from the Ukraine, on a pretty bumpy airstrip, running a mid seven second pass. 184 mph in the quarter. Air shifted trans.
Drag East European Championship in Vinniza, Ukraine. 1.26 - 60ft time ET 7.663 trap 296 kph / 184 mph It was crazy scary run!
Our original plan was to run NISMO #500 at NISSfest 2015 at Auto Club Speedway in Fontana on November 21, 2015, but work got in the way. Since we weren't going to run the R32 GT-R, we were going to give it a pass. However since we are so close to Fontana, we decided to have a booth in the vendor area. Amy from Automotive Forums was in town, it seemed like a good time to bring out the R34 N1 Super Taikyu - World Challenge race car. Its been nearly 10 years since the car ran in anger. Its been about a year since it even saw the light of day. Although we didn't run the car on the track, this time, the plan is to prep it to be at least track ready.
The R34 is one of two that were imported as race cars, with full NHTSA and EPA approval. For more information on that process - read here -
Updated 1-13-2020
Toprank International Vehicle Importers from Cypress, California, along with G&K Automotive Conversions, and California Environmental Engineering (CEE) from Santa Ana, California are proud to announce the first California legal R32 Nissan Skyline GT-R in the over 25 year old vehicle era.
In the early 2000's, G&K and CEE brought cars into California compliance for the defunct MotoRex. Now that 1989, 1990, and soon 1991 Nissan Skyline GT-R's are over 25 years old, they are legal to import to the US. They are exempt from FMVSS at 25 and EPA exempt at 21 years old, so many have recently been legally imported. However, since California has its own EPA, the ARB, legally owning these cars in California has been near impossible, or illegal.
Now with this relationship, fully California legal Nissan Skyline GT-R's will be available for sale from importavehicle.com . These cars, once they under go modifications and pass ARB testing, are treated the same as any vehicle of the same year for smog testing. They get smogged every 2 years like any other vehicle.
Not only can we do Nissan Skyline GT-R's, it is possible to bring other vehicles into California compliance. Anything from Toyota Soarer's, to Nissan Figaro's. Modifications and testing costs for each car are different. Prices to bring cars into compliance range from $4,000 to $15,000 in most cases. Email or call us for more information. sales@importavehicle.com or 844-523-2233 http://www.importavehicle.com
Smog test results - California legal 1990 Nissan Skyline GT-R
HICAS. Super HICAS. Four Wheel steering. 4WS. People say all kinds of things. The R32 GT-R technically has Super HICAS on it. Its a hydraulic mechanical four wheel steering system. The OEM power steering pump has 2 stages. One for the front steering rack, and a rear stage for the rear steering rack.
Not a lot of people like the system. It can fault. It can leak. It sometimes does odd things. When the rear wheels steer it can be a bit unsettling. The system is very similar to the 300ZX system. Also it can be found on a number of other Nissans.
The original purpose was to help with handling, and even low speed maneuvering. At higher speeds the rear wheels turn in the direction of the front wheels, making things like lane changes a little easier. At low speeds they turn counter, allowing the vehicle to have a tighter turning radius.
You can see in the above diagram, the rear wheels on turn in, go counter the front wheels. This helps to rotate the rear end of the car. They then turn in the direction of the front wheels to try and keep everything in line.
"The 918 Spyder made its debut with active rear-axle steering in 2013. We had to wait a few years before it was made available on the 991.1 GT3. Now, this technology is ten years in production, and you no longer have to purchase a supercar or GT3 to take advantage of this technology. You can purchase that option on a 911 Carrera S. Yes, on a new 911 Carrera S,"
The system.
R32 GT-R Super Hicas specifications
OEM R32 GT-R Steering Wheel
Early wheel on the left, late wheel on the right. Notice the position of the square cutouts. HICAS R32 GT-R steering wheel
R32 GT-R Power Steering pump. Front side is for front rack. Rear side is for HICAS rack
Here is a question we get fairly often. Push vs Pull clutch. What is the difference? What type of clutch is on my car? Why did Nissan switch from push to pull clutch? Why are most aftermarket clutches push?
If you are like us, at one point in your Skyline GT-R life, you needed a clutch. A couple too many 8,000 rpm off the limiter launches, and whatever is in there is done. So you look up clutches, and pick one out, but the question comes up, is it a push or pull?
Push or pull refers to the action to release the clutch. A push clutch, does just that, pushes on the disk cover or diaphragm, to release pressure on the disks, so the center is disengaged from the engine. A pull clutch pulls on the diaphragm to release pressure on the disks.
The early Nissan Skyline GT-R's are all push clutches. You can identify the clutch itself by the clutch cover. If it has open fingers, then its a push. If it has a ring, then its a pull.
So why isn't every clutch pull? Some of it is complexity. Costs. What we have also heard, is it is because of patents. Daikin/ Exedy has the patents on the technology, so not everyone uses it. I have seen people drill holes in their bell housing to release a pull style clutch. If the transmission comes off the engine, and stops hard at about an inch, then you probably need to release the throw out bearing. Its really not that hard. Watch the video below for instructions.
How do you identify what clutch actuation your car has in it? If your car is a 1989-1992, then it should be a push style clutch. Later than February 3rd, 1993, it should be a pull clutch. Key words always being "SHOULD".While it is possible to change push to pull and vice versa, its not something you want to figure out when the car is on a lift.
02/03/'93 Minor change Late model. V-spec added
Rear diff cover fin removed Clutch modified (push -> pull)
Synchronizers modified
Brembo caliper added(V-spec)
ETS program modified(V-spec)
Tires changed (V-spec: 225/50-17)
BBS mesh special wheel (V-spec)
# N1 model gets to based on V-spec
As with anything on a car that is over 20 years old, it has probably had a clutch change at some point. So its always best to check. Follow the pictures below for some help identifying what you have.
Late R32 bellhousing. This has bosses for push and pull clutch. It is currently a push clutch, or early.
Getrag with a conversion kit for an ATS carbon clutch
In the above picture, the slave cylinder is on the backside of the shift fork. As originally placed this is a pull clutch. Now with the slave flipped to the new position, this becomes a push clutch actuation. .
Some of the R32/R33 bellhousings have bosses/are drilled for both style slave cylinders.
Pull clutch slave cylinder. Also clutch dampening loop is partially visible.
The parts required for a pull to push conversion.
Clutch Pull to push conversion- Late Model R32, R33 Front cover assembly :32110-05U11 (japan part only) Gasket :32112-05U12 Clutch fork :30531-01S00 (same part for a 1991-1993 240SX) Spring :30514-14600 Spring :30534-E9000 T/O bearing :30502-14601 Bearing sleeve:30501-S0160 / 30501-N1601 (14mm for twin / trip disc) Bearing sleeve: 30501-K0404 (24mm for single disc) Dust cover :30542-31610 Slave cylinder :30620-21U01 Flywheel bolt: 12315-04U00
In addition to push and pull clutch actuation via slave cylinder and fork, there are also converters sold that go inside the trans, and hydraulic release (slave) bearings.
OS Giken clutch actuation conversion kit
Getrag converted to push clutch actuation
Getrag converted to push clutch actuation
Another push style triple plate clutch.
Front cover. Notice the fork pivot. Its a ball on early R32.
I never looked an OEM flywheel up. I suppose I never had to replace one in the 25 or so years I have been doing this. Normally if the clutch is coming out, something aftermarket with an included flywheel goes in. However as a reference I just did. The way Nissans part numbers generally work, are if the last digit is changed, its just some supersession that is 99% backwards compatible with the earlier number.
12310-05U11. This fits RB20DET, and RB26DETT models. This would have started as 05U10
Does not actually have ATTESA. Fast and Furious 4 buggy car. Video here
So, how much do you really know about ATTESA. Its kind of an odd name. Its Nissan's name for their all wheel drive system, first showing up around 1987. Advanced Total Traction Engineering System for All-Terrain or ATTESA. You will also see it called ATTESA ETS, and a version called ATTESA ETS-Pro. ETS for electronic torque split. ETS Pro is the more advanced system, seen on the R33, and R34 Vspec.
Some people, many people think that the R32,R33, R34 GT-R have a switch that allows the car to be rear wheel drive only, as part of the all wheel drive system. Other people say, how can you dyno it rear wheel drive?, or how is that all wheel drive GT-R doing burnouts?. So here are some truths.
1) No R32,R33, or R34 GT-R came from the factory with a switch to turn off all wheel drive. It is possible to pull a fuse, disconnect a wire, or trick the system into going rear wheel drive only, its not a factory on/off switch. There are aftermarket controllers, or some people wire in their own switch, but its not from the Nissan factory. Not talking about GTS4, or R35 GT-R, just R32,R33,R34 GT-R.
2)It is not difficult to remove drive to the front wheels by either pulling the ATTESA fuse (R32) or pulling the front propshaft (R32,R33,R34). Even though you can just pull the fuse on an R32, if you are going for extended dyno runs, where the front wheels are static, with the rear wheels moving up to 150 mph, we HIGHLY recommend pulling the front propshaft. Its 6 bolts to remove, and your transfercase clutches will survive much longer. If you pull the fuse on an R33 or R34, the system defaults, and puts about 10% load to the clutchpack with backup power. This slight lockup causes a huge amount of heat if you run the car on the dyno. You will destroy your ATTESA clutchpack if you do this.
ATTESA System summary R32 GT-R. R33 and R34 are similar
Common Problems
There are several areas you can have problems with the ATTESA system. Please don't confuse ATTESA- the all wheel drive system, with the HICAS- all wheel steering. Seen many new owners ask about removing ATTESA, when they actually meant HICAS. The ATTESA system is also tied into the ABS system, so an ABS fault will trigger an ATTESA light under most conditions.
If you get an ATTESA warning light on the instrument cluster here are a few things to check first.
1) Check the fluid level on the ATTESA header tank in the trunk. Its located on the right side rear, Its a small tank, that has a level sensor.
3) A few ways to check the code. The ATTESA ECU is in the trunk, and it has a window in it. In the window is an LED light. The LED light will blink to the fault/code. The codes for each car are a little different. The codes between the normal cars, and the Vspec or ATTESA ETS Pro cars are a little different. Pay attention, because paying attention doesn't cost anything.
ATTESA ECU in the trunk of an R32. LED window visible on right rear corner
R32 GT-R ATTESA Codes
Using proper technique to check ATTESA codes on ECU. Note angle of left leg for proper points
1 Right front wheel speed sensor or circuit
2 Left front wheel speed sensor or circuit
3 Right rear wheel speed sensor or circuit
4 Left rear wheel speed sensor or circuit
5 ABS right front wheel actuator solenoid or circuit
6 ABS front front wheel actuator solenoid or circuit
7 ABS rear wheel actuator solenoid or circuit
8 ABS actuator motor, motor relay or circuit
9 ABS actuator relay or circuit
10 ETS control unit power supply or circuit
11 Fore-and-aft G sensor 1 or circuit
12 Fore-and-aft G sensor 2 or circuit
13 Fore-and-aft G sensor 1, fore-and-aft G sensor 2
14 G sensor power supply 1 or circuit
15 G sensor power supply 2 or circuit
16 Lateral G sensor or circuit
17 Air bleed connector or circuit
18 ETS pressure switch or circuit Troubleshooting Code 18 R32 GT-R
19 ETS motor, motor relay or circuit
20 ETS solenoid or circuit
21 Throttle sensor or circuit
22 ETS oil level switch or circuit
24 ETS control unit, ground or circuit
ATTESA Electrical Diagram ; R32 GT-R
Self Diagnosis Procedure R33(GTR and Vspec) and R34(GT-R) not Vspec
1)Drive vehicle at 30 km/hr for at least 1 minute. Bring vehicle to a full stop. Do not turn off engine. Look at LED at top of control unit (red lamp). Note the number of times it blinks ON and OFF.
If two or more systems are malfunctioning, all warning lamps will blink ON and OFF
2) After completing required maintenance procedures, be sure to erase results of self diagnosis testing from memory
3) Once again drive vehicle at 30 km/hr for at least 1 minute. Check that the 4wd warning lamp and ABS warning lamp are off.
R33 GT-R ATTESA and ATTESA Pro Codes
1,5 Front right wheel sensor and circuit
2,6 Front left wheel sensor and circuit
3,7 Rear right wheel sensor and circuit
4,8 Rear left whel sensor and circuit
11,21 Front right inlet solenoid valve and circuit
12,22 Front left inlet solenoid valve and circuit
13,23 Rear inlet solenoid valve and circuit
15,25 Front right outlet solenoid valve and circuit
16,26 Front left outlet solenoid valve and circuit
17,27 Rear outlet solenoid valve and circuit
31,32,33 E-TS solenoid and circuit
34,35,36 E-TS fail safe solenoid and circuit
41,42 ABS actuator relay and circuit
43,44 ABS actuator motor , motor relay and circuit
45,46,77 ET-S/ABS control unit ground and circuit
47,48 E-TS/ABS control unit power supply and circuit
51,52 E-TS actuator motor and circuit
53,54 Pressure switch and circuit
55 Air bleed switch and circuit
56 E-TS oil level switch and circuit
61 FR and RR G sensor 1 and circuit
62 FR and RR G sensor 2 and circuit
63 FR and RR G sensor 1 or 2 and circuit
64 G sensor 1 power supply and circuit
65 G- sensor 2 power supply and circuit
66 Side G sensor and circuit
75 Throttle position sensor and circuit and sensor
R34 GT-R Normal Non-Vspec ATTESA Component Locations
R34 ATTESA System self Diagnostic Procedures
Self Diagnostic Procedure R34 GT-R Vspec
1. Drive vehicle at approx. 30 km/h for approx. 1 minute
2. Stop vehicle and start diagnosis
3. Turn ignition switch "OFF"
4. Ground the self diagnostic terminal 4
5. Turn the ignition switch " ON" to start the self diagnostic results mode
CAUTION
KEEP terminal 4 grounded during self diagnosis
Do not depress brake pedal (Self diagnosis would not start)
Do not start engine (Self diagnosis would not start)
6. After 3 or 4 seconds, ABS warning lamp starts blinking to indicate the malfunction code
Self Diagnosis Procedure For R34 GT-R Vspec ATTESA
R34 GT-R ATTESA (Normal, not Vspec) Codes
1,5 Front right wheel sensor and circuit
2,6 Front left wheel sensor and circuit
3,7 Rear right wheel sensor and circuit
4,8 Rear left whel sensor and circuit
11,21 Front right inlet solenoid valve and circuit
12,22 Front left inlet solenoid valve and circuit
13,23 Rear inlet solenoid valve and circuit
15,25 Front right outlet solenoid valve and circuit
16,26 Front left outlet solenoid valve and circuit
17,27 Rear outlet solenoid valve and circuit
31,32,33 E-TS solenoid and circuit
34,35,36 E-TS fail safe solenoid and circuit
41,42 ABS actuator relay and circuit
43,44 ABS actuator motor , motor relay and circuit
45,46,77 ET-S/ABS control unit ground and circuit
47,48 E-TS/ABS control unit power supply and circuit
51,52 E-TS actuator motor and circuit
53,54 Pressure switch and circuit
55 Air bleed switch and circuit
56 E-TS oil level switch and circuit
61 FR and RR G sensor 1 and circuit
62 FR and RR G sensor 2 and circuit
63 FR and RR G sensor 1 or 2 and circuit
64 G sensor 1 power supply and circuit
65 G- sensor 2 power supply and circuit
66 Side G sensor and circuit
75 Throttle position sensor and circuit and sensor
ATTESA System Component Location R34 GT-R Vspec
R34 GT-R ATTESA Pro (VSPEC) Codes
21 Front right wheel sensor (open circuit)
22 Front right wheel sensor (short - circuit)
25 Front left wheel sensor (open circuit)
26 Front left wheel sensor (short circuit)
31 Rear right wheel sensor (short circuit)
32 Rear left wheel sensor (short circuit)
35 Rear left wheel sensor (open circuit)
36 Rear left wheel sensor (short circuit)
41 Front right outlet solenoid valve and circuit
42 Front right inlet solenoid valve and circuit
45 Front left outlet solenoid valve and circuit
46 Front left inlet solenoid valve and circuit
55 Rear outlet solenoid valve and circuit
56 Rear inlet solenoid valve and circuit
57 Battery voltage
61 ABS actuator motor and motor relay circuit
63 ABS acutuator relay circuit
64 FR & RR G sensor 1
65 FR & RR G sensor 2
66 FR & RR sensor 1 or 2
68 G sensor voltage
69 Side G sensor voltage
71 ATTESA E_TS PRO/ABS control unit and circuit
72 Throttle position sensor
73,74 E-TS/LSD actuator motor
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