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Friday, December 30, 2016

Fuel System for Nissan Skyline GT-R

Fuel.  In order to make horsepower in a Nissan Skyline GT-R, you need fuel and air.  The air and fuel mixture are forced into the combustion chamber by our friend, the twin turbochargers(why have one, when you can have two?), which then produces the horsepower/torque we demand with our right foot.

Stock fuel rail modified by Alex Rodriguez Motorsports. -8 AN fitting


As the horsepower requirements increase, the fuel requirements increase. The fuel system, and that is an important set of words, needs to be adequate enough to supply enough fuel.  If you don't supply enough fuel, you will inevitably end up with a dead engine.  Another very important thing to note is fuel flow vs fuel pressure vs voltage.

Fuel System:
Fuel Tank
Fuel Pump
Fuel Pulsator
Fuel Pump Control Module
Fuel Injectors
Fuel Rail
Fuel Pressure Regulator (FPR)
Fuel Filter
Fuel Lines
ECU
Fuel Pressure
System Voltage
Fuel Surge Tanks

If any part of the fuel system is not adequate, you are just asking for problems. So pay careful attention to it. About 90% of the time we are on a dyno with a car, the fuel system is the limiting factor.  Build the fuel system with enough capacity for your horsepower goals.

The questions to ask

  1. How much horsepower are you looking to make?
  2. What kind of fuel do you use?
  3. How much money are you willing to spend?
  4. How is the car used?

Monday, December 26, 2016

Nissan Skyline GT-R Clutch Weights


USA legal R32 GT-R from importavehicle.com

Came across this a few days ago, where people were talking about clutch weights. Since I had one or four clutches in the garage, I decided to weigh them.


First up, stock R32 PUSH style clutch. This is an early clutch. Some R32 are push, some are pull. The later cars are pull.

39.86 lbs with bolts. 


Just a hair under 40 lbs for the stock clutch assembly with bolts.

Next up, the NISMO Coppermix twin plate clutch.

33.5 lbs for the NISMO Coppermix twin plate with bolts
33.5 lbs for the NISMO Coppermix. Six lbs lighter than stock. Not a huge improvement, but an improvement for rotating weight.

25.7 lbs Ogura twin carbon clutch

Now this one has a significant weight savings over stock. An Ogura twin plate carbon clutch. This style of carbon clutch is carbon and steel.


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


OS Giken Quad plate clutch at 35 lbs. Getting up near stock weight for this cluch


Four plates, lots of weight. 35 lbs for this OS Giken Quad plate clutch

Tilton carbon carbon triple plate - 19 lbs

The Tilton carbon carbon triple plate, with flywheel is 19 lbs.  This is the type of clutch, you really notice how much quicker the engine comes up.



Comparison between and OSGiken twin plate clutch kit and a Supertec Racing 9.1kg clutch kit


Tuesday, December 20, 2016

700hp R32 Skyline GT-R 2WD vs 4WD Comparison


Andrew from Motive DVD accidently ran his R32 GT-R at the drag strip in 2wd mode, and it makes an interesting comparison vs ATTESA all wheel drive.

Check out the video for the results:

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

Tuesday, December 06, 2016

R34 Nissan Skyline GT-R Police Car : Check out the Video



Unlike Santa Claus, or the Easter Bunny, the R34 Nissan Skyline GT-R police car does exist, and it looks like it is still in use. Not bad for an old girl. Check out this video

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




Saturday, December 03, 2016

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