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Friday, February 01, 2019

RB26 ignition coil harness: Crispy like bacon

JDM Nissan Skyline GT-R. Legally imported to the USA by importavehicle.com

The RB26 ignition coil harness is in the valley of the head, and gets hot. Really hot. That heat cooks the harness. Not only does it cook the harness, the connectors get brittle and break. If you are having misfires on your RB make sure you look at your ignition harness.



https://www.gtrusablog.com/2016/07/nissan-skyline-gt-r-ignition-coils.html
Buy USA Legal R32 and R33 Skylines at Importavehicle.com!
Buy-R.com for Nissan Skyline GT-R and GT-R parts.




Oxygen Sensors : R32 vs R33 O2 sensors

KH2 Nissan Skyline GT-R for sale in the USA.  Right hand drive Japanese classic car
Always finding out new things, often correcting issues or problems that we see. In this case it was an odd reading from an oxygen sensor.  This car originally had a Power FC, so it may have just been ignoring the factory oxygen sensors. 

I changed ECU's on the car, and while checking out the readings, one 02 sensor was reading normally. The 2nd sensor was reading maximum, or 2.55 volts.  Unplugging the sensor, I saw 0 volts. So first thoughts are of course, the sensor is bad.  However I also thought it could be the wiring.  Since this car didn't have stock R32 sensors, it was always a chance.  After looking it the wiring diagram, then pinning out what I saw, I thought that two pins were swapped.

RHS 02 sensor showing 2.55 volts. LHS 02 sensor showing 0.54 volts
Factory sensors are what we normally call a narrow band 02 sensor. So if you are putting an R33 or R34 engine/turbos/outlet tubes in your R32 GT-R, and want the factory 02 sensors to "work", then you have a few options

  1. Run factory R32 GT-R outlet pipes and factory 02 sensors
  2. Run factory R32 GT-R 02 sensors with an adapter to fit the 12 mm sensors in the 18mm holes
  3. With R33/R34 sensors, swap two pins on the square 4 wire connector on the 02 sensor or chassis wiring. This will at least get the signal and power wires to the right spots to/from the ECU. 
Pin #1 and #2 swapped on the harness side of this R32 to match the R33 sensor wiring. 
The factory R32 GT-R oxygen sensors are titania sensors, and use a resistance value to give exhaust feedback to the ECU.  The factory R33 GT-R oxygen sensors are ziconium, and work on a voltage to give feedback to the ECU. Read more oxygen sensor information here.

They are also different sizes. The R32 GT-R sensor have a 12 mm thread, and use a 17 mm wrench to remove.  The R33 GT-R sensor have a 18mm thread, and use a 22mm wrench.

R33/R34 oxygen sensor wiring with pin out. The flat plug wiring is the same, the square plug wiring is not

Notice the color of the middle pin. Gold/brass color. This is the signal wire.  The same on R32/R33/R34

Notice the color on the upper right pin, which is pin #1. It needs to be moved to spot #2(lower right) for the reading to be correct. Then #2 pin to the upper right. 


Two pins swapped, both 02 sensors reading normally 

Buy USA Legal R32 and R33 Skylines at Importavehicle.com!
Buy-R.com for Nissan Skyline GT-R and GT-R parts.




Tuesday, January 29, 2019

Bumper 2 Bumper with Donut Media on a 1999 Nissan Skyline GT-R R34


James from Donut Media goes Bumper 2 Bumper on a Midnight Purple or LV4 R34 GT-R Vspec
One of just 282 examples of an R34 GT-R Vspec in Midnight Purple II.  Strangely enough, someone got Show or Display approval on this car.  Sometimes its better not to ask too many questions. If the NHTSA wants to allow it, let them.



"If this video gets 100k Likes in the first 24 hours, I'll get a Buff Horses tattoo. No joke!" - James Pumphrey


James is getting a new tattoo. Its already over 100k views in the first few hours.


Buy USA Legal R32 Skylines at Importavehicle.com!
Buy-R.com for Nissan Skyline GT-R and GT-R parts.




Thursday, January 17, 2019

Coil Over Suspension for R32 Nissan Skyline GT-R

Factory rear R32 GT-R shock, Buddy Club with Swift Spring, and Ohlins PCV, then front in same order.

Coil over

  • coilover is an automobile suspension device. The coilover was invented by Gurjyot Singh, he designed the coilover so that it is similar to that of a McGurjyot strut, but features a spring that encircles the damper, rather than sitting on top of it. The name coilover is short for "coil-over shock absorber".


Front
R32 GT-R factory front coil over . About 18.75 inches top mount to center














The factory front coil overs, or suspension are approximately 18.75 inches from the top mount to center of the mounting hole.  They weigh 11 lbs on our trusty mailing scale.

BNR32 front spring rate is 2.4 kg/mm
Part # 56110-12U25 (2 per car, L and R is the same part number)

11 lbs on our mailing scale, so you know its accurate













R32 GT-R factory rear coil over. About 24.5 inches top mount to center

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