I ran some nitto nt-05's on the track, loved em, still good for dd and somewhat decent life. Came form the pilot super sports, these imo were hands down better for both, a little less life though but they do make up in the cost.

 

I think the biggest thing with our cars is that they tend towards understeering.

Right now I am more focused on learning performance driving techniques rather than maximizing the car's potential.

With that in mind, I think the first step is to get a square set up on the car, increasing the possible grip at the front relative to the rear (by equalizing tire widths front to rear).

It seems like the cheapest way to do this would be to buy somebody else's OEM wheels for my car.

For track days I could add their rears on my front and put some stickier tire on all 4 8.5" rims

For daily driving I would use their fronts on my rear and run some rock hard rubber on all four 7.5".

Will probably need spacers though to keep everything kosher.

 

Rather than going through all the trouble. You can get similar results just by changing tire pressure.

If under-steer, deflate front tires

If over-steer, deflate rear tires

 

IMO tires with UTQG:200 good for street and track use. If you go to track once a year. NT-05, Hankook V12, etc.

However when I started to go more frequently 2-3 times a year. Sometimes I would replace them prematurely. Because not enough tread left to pass car inspection at the track.

Since last year I am going to the track at least once a month, and purchased another set of Wheels and Tires dedicated for the race track.

Normal Street USE
OEM Wheels with NT-05 Rear, V12 on the front

Track Use
Enkei NT03+M
18x9.5 +27 with RS-3 245/40-18
18x10.5 +30 with RS-3 285/35-18

In the long run definitely saves $$$

Also if you are interested in some good price RS-3's Gruppe-S in Sanata Ana is selling some 2yr old RS-3's very good price.

265/35-18 $175
285/35-18 $195

They normally sell for $250-$300

 

19" Michelin PSS for DD and 18" Potenza RE11 for track.

 

That's not too wide? No issues?

 

Also, where did you get your NT03+Ms in Socal? I'm thinking I'll pick a few up as well.

 

For my G35S sedan, I tracked and DD with stock size 18" 225f 245r. The car does push (understeer) more than I would like.

I've had a set of Falkin 912, they actually had decent traction when the treads are good, but it degrades quickly as the treads wear down and during very hot track days (106F ambient temp, over heating also cause by bad driver)

Then I tried a set of OEM RE050A. I think they are a step above Falkin. Its more consistent, but the grip level doesn't seems much higher than the Falkin.

I bought a set of PSS and those will be next up

For tire pressure, it depends on a lot of things, especially track surface temp. I ran 2 to 5 psi lower than factory recommended. But I am still learning (trial and error) on this part.

And I think I need sway bars ... LOL

 

I definitely recommend a square setup on the G37. On the track, the car does tend to under steer a bit more than it should, and therefore not allow you to steer the car with the throttle much because of the lower cornering speeds due to a lack of front end grip.

Recommended tire temps vary on different tires, on Michelin PSS I try to stay in the 34-37 psi range hot (after coming off track).