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Monday, October 20, 2014

1,156 WHP RH9 Nissan Skyline R33 GT-R on the DSPORT Dyno

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

Sunday, October 19, 2014

IDRC Auto Club Dragway Oct 18th and Clutch Change NISMO R32 Skyline GT-R NISMO R32 GT-R imported under Show or Display

Last weekend we were out at the DSport GT-R Open house, which gave us enough motivation to hit up IDRC this weekend. Thought about running the True Street class, but the time cut was 12.5, and wasn't sure we could make that break on the first time out.  Instead signed up for fun runs. $30 for the day, $60 for two days. With some discounts, was only $20 per day. If you are looking for an in-expensive day at the track, drag racing is a fun time.

However before hitting the drag strip, had to do a clutch change on the car. Last time we had the car out at Buttonwillow, noticed that the clutch just started to slip in 4th gear under high load. The car has still been driveable, but it needed to be changed. Drag racing was enough of a motivation.

The fuse in the driveline of an all wheel drive car like a GT-R is normally the clutch. Once you start to make power, they start to slip pretty easily. Couple good hard launches on a GT-R and they are done.

So I picked up a NISMO Coppermix twin plate clutch to replace the stocker. I really like the NISMO twin plates. They hold up to about 600 horsepower, and drive near stock. Then the fuse isn't the clutch anymore. The next weak link is normally 3rd gear. Since the Coppermix is sprung hub, it helps the transmission to survive. I have Redline Shockproof Heavy and Lite mix in the trans, so that helps a ton. I was going to swap to all Heavy, but ran out of time.  In addition to the clutch, I was going to swap the slave cylinder, and the rubber line, but again time factor. Sucks to live in the real world, where you can't just "Install Parts Now" like Gran Turismo.

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The other thing I wanted to see if I could address, when the trans was out, was the boost. The car has only been making about 0.4 kg/cm2 (5.7 psi) to about 0.6 kg/cm2(8.5 psi).  I have trouble shot the problem a couple times, eliminated a real boost leak. Checked the BOV. Checked the solenoid.  Fixed a couple of small leaks, but still was staying at the same low level.  When I had the trans out I checked the lines I could see and touch, and everything seemed OK. At some point someone has replaced the hard lines on the cold side.

I know how it is plumbed, and how it works, but that doesn't stop me from being lazy enough not to really try and fix it.  I did bring everything with me, to work on the boost side.

Stock muffler and resonator

Finally finished the clutch swap late on Saturday night, swapped the wheels and tires over to a set of NISMO option wheels 16 x 8 +30 , with Mickey Thompson ET Street radials. I believe the right tire for the right place. Like a pair of shoes, wear the right ones at the appropriate times. On the road course, it is 18" R34 wheels and R888.

Sunday, October 12, 2014

DSport Magazine Open House October 12, 2014

DSport Magazine had an open house at their facility October 12th. Great gathering of Nissan Skyline GT-R,'s, and Nissan GT-R's. It is always good to see everyone. The DSport R33 laid it down on the dyno putting 1156 horsepower to the ground. Their current setup is a 2.6, with twin RX-6 turbos, at 40 psi on E85 fuel.  Check out the video. 


Roy loves coming out to these events. Thanks for attending. 

DSport R33 engine bay

Roy and his best buddy Paul

Switzer P800 GT-R on the dyno

Empire Z Car Show - San Bernardino

Had a great time out at the 8th annual Empire Z Car Show at Nissan of San Bernardino.  International Vehicle Importers brought out our NISMO R32 GT-R, and our 240 convertible, with the R32 GT-R look.  Check out the photos. 

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