G37 Sedan

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Old 06-18-2022, 08:31 AM
  #13876  
JSolo
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^^My oil change interval (annual) happens to coincide with tire rotations, so i'd have to have the wheels accessible anyway. It would be much simpler to just drive on some ramps than play pingpong with the jacks/jack stands.

When I had the G, I did use a set of 4 drive on ramps to get the car level for things like diff and trans oil changes. My set of jack stands was mismatched and difficult to get the car level - one end higher or lower than the other. I suppose if I had rochester's arrangement, I'd just jack up the front under the engine to get the car level when refilling.
Old 06-18-2022, 04:33 PM
  #13877  
4DRZ
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Originally Posted by rotarymike
Fumoto valve.
Gotcha

Originally Posted by Rochester
I did. There's a downward grade where I did this, on the parking pad at the end of our driveway. Plus I used a plank under the front tires while the rears were going up the race ramps. In other words, I made the car as level as I possibly could given the tools and conditions.

I could have done better, but... sometimes DIY is an imperfect adventure, and hindsight is 20/20.



Oh that's right! I remember that picture now. (They say memory is the second thing to go. Now if I could just remember the first thing.) Genius! I would have sat in the garage for at least 10 minutes looking at the race ramps before I realized I could just use the incline of my driveway. Was it difficult to get the front tires on the wood at the same time you backed up the ramp?
Old 06-18-2022, 04:38 PM
  #13878  
JSolo
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This is why it's important to inspect underside of engine. 5400 miles on the odo. Looks to be the seal at the driver front midshaft/diff.

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Last edited by JSolo; 06-18-2022 at 04:53 PM.
Old 06-18-2022, 05:15 PM
  #13879  
Rochester
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Originally Posted by 4DRZ
Was it difficult to get the front tires on the wood at the same time you backed up the ramp?
Nah. There was plenty of traction available to the rear. The ramps are wide, and so are the tires. Could've should've used a second plank even.

I've been wondering when's a good time to do that again. It's been 5 years, but only 15k miles.

Last edited by Rochester; 06-18-2022 at 05:25 PM.
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Old 06-19-2022, 04:55 PM
  #13880  
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Originally Posted by Rochester
Oh, nearly 100% for oil changes, on 3 of our cars. The only other things I can think of over the years was when I installed that diff brace, and diff gear oil changes. Also, every Springtime I run the back end up the ramps so I can clean these shiny Fast Intentions mufflers. And then there was the time I needed to rip apart rotted heat shields on my kid's car.

But yeah... oil changes.

After years of getting nothing really on a magnetic drain plug, I replaced that with the Fumoto drain valve, and used the plug on the Sentra, which also has been clean when changing oil. I think if the magnet were gooped up, I wouldn't have installed the drain valve and stuck with the magnet.
Ramps very helpful to install aftermarket sway bars changing sway bar links because you suppose have preload on your suspension to correctly install them.
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Old 06-24-2022, 10:48 AM
  #13881  
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Idle curiosity being the demon that it is...

What other vehicles share the same (manual) transmission or variant of it? Obviously I know about the 370. But is it internally similar to any Nissan trucks or other vehicles? (like how the 'smoothcase' RX7 transmissions are essentially the same as the B2x00 trucks, miata, etc and the RX7 turbo transmissions the same as the Aisin Warner in the 80s F150s...)
Old 06-24-2022, 02:26 PM
  #13882  
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Originally Posted by rotarymike
Idle curiosity being the demon that it is...

What other vehicles share the same (manual) transmission or variant of it? Obviously I know about the 370. But is it internally similar to any Nissan trucks or other vehicles? (like how the 'smoothcase' RX7 transmissions are essentially the same as the B2x00 trucks, miata, etc and the RX7 turbo transmissions the same as the Aisin Warner in the 80s F150s...)
It would interchange with it's other 6 speed ancestors going all the way back to the 1st gen G35. I suspect is also similar to M/T RWD trucks however with different ratios. Externally between the DE and HR/VHR flanges change, slave components, started location however the length is the same. There is a YT vid of a guy adapting a 1st gen 6speed to a VHR which required the cutting and welding of the flange of the trans and starter.
What do you have in mind?
Old 06-24-2022, 03:02 PM
  #13883  
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taller 6th gear.
Old 06-27-2022, 08:45 PM
  #13884  
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Old 06-29-2022, 12:19 PM
  #13885  
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Would a vacuum leak be throwing a check engine light? I hear a slight hiss... ONLY when the car is hot and i've been driving for a bit, sounds like its coming near the left throttle body. But the car runs fine (I do think the idle is maybe slightly high, like 900 instead of 600, but i can't remember). It's just weird, cause it otherwise has no errors or issues. No codes scanned either.
Old 06-29-2022, 12:27 PM
  #13886  
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Originally Posted by iCrap
Would a vacuum leak be throwing a check engine light? I hear a slight hiss... ONLY when the car is hot and i've been driving for a bit, sounds like its coming near the left throttle body. But the car runs fine (I do think the idle is maybe slightly high, like 900 instead of 600, but i can't remember). It's just weird, cause it otherwise has no errors or issues. No codes scanned either.
To check for vac leaks the best way is the graph short term fuel on both banks and then spray starting fluid or similar around the engine and look for a rapid change in the graph.

But that's weird a engine light but no codes?
Old 06-29-2022, 12:45 PM
  #13887  
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Nah, no code, no light. But I def hear a hiss and the idle seems a little high. I'll pull up the fuel graphs and give that a try.
Old 07-05-2022, 01:08 AM
  #13888  
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Question Starting my g37 build

I just bought a 2013 Infiniti G37 Journey Sedan with the automatic transmission and with basically 100k miles, haven't done a single thing the it and I want to start building it and eventually maybe make 1000hp, so is that too many miles and should I get another G37 or is it ok with 100k miles?
Old 07-05-2022, 01:31 AM
  #13889  
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1000hp? and how do you plan on doing that?
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Old 07-05-2022, 01:33 AM
  #13890  
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LOL I just said a number but I do want to build to around 600-700, and I have no idea how that's why I'm here, to learn


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