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The "4 door Z" build (4DRZ)- 13 G37S 6spd sedan

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Old Oct 28, 2020 | 09:19 AM
  #1591  
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Originally Posted by 4DRZ
You can skip the MC brace unless you are bored with how your fingers look with skin still attached. Seriously, that mod is only good for scraping up hands and causing you to swear a lot. Even blank rotors work fine for track days as they are a significant wear item. No doubt the Z1 2pc. rotors (what Rochester was referencing) are better designed for heat, especially with their shaped vanes. I've never seen the need for 2pc. rotors on the rear, but they sure do look pretty. I have tried many different track pads over the years, but had the best luck on my G37 with Carbotech XP12/10's for front/rear.

Don't worry about sending air to your radiator. It gets plenty of air. Direct that air to your brakes and get an oil cooler or you will overheat way too fast on track.



I joined the dark side on my first build about 20 years ago by adding nitrous. But that was on a built motor and transmission. It was entertaining for short drag races, but I would probably empty a tank about half way through the first lap at Road America if I used it now.

I think I am good with where this car is at, especially since I am not tracking it anymore. The car is great and so satisfying to drive. It will definitely tide me over until I find a suitable replacement. Oddly enough, I am having a tough time finding a worthy replacement because the feedback, feel, steering, handling, sound, braking, performance, etc, etc of this car is so good where it is at right now. No complaints.

That's my worry, I'm 6ft with tall family genes and both my kids appear like they will be giants. I would like something with a bit more space in the back however the V36 is so well made that finding a replacement will be difficult.
Maybe a M, Q or EX 37.
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Old Oct 29, 2020 | 02:47 PM
  #1592  
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Originally Posted by BULL
That's my worry, I'm 6ft with tall family genes and both my kids appear like they will be giants. I would like something with a bit more space in the back however the V36 is so well made that finding a replacement will be difficult.
Maybe a M, Q or EX 37.
I gained about 2-3 inches of rear seat legroom when I put in my Sparco seats because they are so much thinner than the fat factory seats. They are infinitely more comfortable as well. Maybe not the most practical solution for you, but still a lot cheaper than a new car.
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Old Oct 30, 2020 | 10:49 AM
  #1593  
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Originally Posted by 4DRZ
I gained about 2-3 inches of rear seat legroom when I put in my Sparco seats because they are so much thinner than the fat factory seats. They are infinitely more comfortable as well. Maybe not the most practical solution for you, but still a lot cheaper than a new car.
You're absolutely right. I would rather ditch the uncomfortable seat with a newer one and more comfortable one if it gives me that space. I would like this car to retire on my hands
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Old Nov 6, 2020 | 12:41 PM
  #1594  
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My car finally goes in for new valve cover gaskets and an attempt at lightly resurfacing my front slotted 2pc. Z1 rotors next Thursday. This was supposed to be done well over a week ago, but because I work here when I want to get my car fixed it always gets bumped to the end of the list. I have to try hard not to laugh when people complain that they have to wait a few extra minutes for an oil change. Anyway, I am going to try to get a good picture of the naked valvetrain if I can. Really just for curiosity to see if my strict maintenance has helped the engine over time.
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Old Nov 12, 2020 | 03:39 PM
  #1595  
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So today is the day I get my valve cover gaskets replaced under warranty. They just opened up the bank on the passenger side and the technician said it still looks brand new inside. I guess running good oil and changing it often pays off. Look how shiny those cam lobes are. Nice!


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Old Nov 12, 2020 | 03:44 PM
  #1596  
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That's awesome. How many miles? 50K?

It's killing you looking right at those cams, isn't it?
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Old Nov 12, 2020 | 04:22 PM
  #1597  
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Originally Posted by Rochester
That's awesome. How many miles? 50K?

It's killing you looking right at those cams, isn't it?
It just turned 51k. Oddly, no. Seeing how clean they are makes me really glad I did not spend $2k today on 20 hp.

It also gets me excited thinking about the next car because I know it is going to have to be completely "next level" in terms of performance to be a worthy replacement. Another thought I had was that I could probably get some crazy 2 seat car as my next vehicle and keep this as my daily driver since it looks like it has lots of life left. The flip side of this thought is that I would much rather prefer one car that I could enjoy driving all of the time.
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Old Nov 12, 2020 | 06:07 PM
  #1598  
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The left bank is off now and it also looks really clean. However, this late in the day means this "3 hour job" is now going to be 2 days. Now I wait for my rental car.


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Old Nov 12, 2020 | 08:34 PM
  #1599  
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So a yes and no for insides.
Yes for how much it's seen under your hands
No for a 51k vehicle, common in Nissans.

The next 50-70k will really let you know however it's still a great sight to see. Much comfort it brings.

I still dont think this chassis can be trumped unless serious cash is spent.
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Old Nov 13, 2020 | 04:24 PM
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Originally Posted by BULL
So a yes and no for insides.
Yes for how much it's seen under your hands
No for a 51k vehicle, common in Nissans.

The next 50-70k will really let you know however it's still a great sight to see. Much comfort it brings.

I still dont think this chassis can be trumped unless serious cash is spent.
I have seen so many of these engines opened up in all states of care and neglect so it was refreshing to see mine so clean. We just had a Juke in here with similar mileage that was not regularly maintained. The sludge was so bad inside that it needed an entirely new engine.
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Old Nov 17, 2020 | 11:30 AM
  #1601  
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We tried resurfacing my slotted rotors because they have a very slight vibration when coming down from higher speeds, but no luck as the bit kept getting stuck in the slots. So I plan to keep an eye on Z1 Black Friday sales and maybe pick up a set of rebuildable rotor discs to bolt up to my aluminum hats. Maybe I will try the fancy (newer) sprinkle slot variety so people who don't know any better will not tell me that my slotted rotors are on backwards. I also plan to eventually make a video of the car with a story about all of the upgrades once I get my new camera.

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Old Nov 17, 2020 | 11:34 AM
  #1602  
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I'd had success getting cross-drilled rotors turned by a shop that turned truck rotors (heavier duty lathe didn't judder over the holes). YMMV.
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Old Nov 17, 2020 | 01:16 PM
  #1603  
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Originally Posted by 4DRZ
I also plan to eventually make a video of the car with a story about all of the upgrades once I get my new camera.
I'd be lying if I didn't admit to thinking that same thing. You know, for the kids.

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Old Nov 24, 2020 | 10:37 AM
  #1604  
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I finally put my winter tires on yesterday since we are supposed to get 2-4 inches of snow today. (Almost made it to December on summer tires- so close!)

Anyway, I noticed a weird thing with my steering wheel that I noticed last year and I cannot explain it. As soon as I put my winter tires on I noticed that my steering wheel is cocked to the right a bit in order to go straight- like the alignment is off. But the alignment was done recently and is spot on with the summer tires. Last year I noticed the same thing and as soon as I put my summer tires back on in the spring the steering wheel went straight again. I don't get it.

My winter tires are a square set up with narrower width and taller sidewalls to be nearly the same diameter as my summer tires in hopes of keeping the speedometer accurate. This is my second set of winter tires on this car and I did not notice this same phenomenon with the old snow tires. Any ideas? I am stumped.

If you look where the back of the steering wheel meets the steering column you will notice how far off the alignment seems with the winter tires on. (This is a rough estimate of going straight as the car is parked in this photo.)


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Old Nov 25, 2020 | 11:53 AM
  #1605  
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I have the same tilt, I noticed it got better after proper and equal air pressure.
I suspect it's due to wear, you should check wear height, one of your tires might have worn more than the other and it's a slight bit "smaller" in height.
Tire depth gauge will determine.
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