Osiris doesn't work on 03 sedan?
either way, I really don't think that disqualifies it from being performance vehicle - gains from tuning NA are minimal. You want increased acceleration? Change final drive ratio. Best mod I ever did. I substantially decreased my tire diameter as well - together felt like adding 75 ft lbs torque. In fact, you can try decreasing rear tire diameter first - just to see if you like the effect before deciding to take time/expense of swapping FD. But you won't be able to do that well with 20" wheels...

 

nearly all n/a mods done (in sig) . uprev, and EVERY other tuning company does NOT support the Gen1 G35 ecu which comes with the 2002-2003 Sedan. 2004 got the upgraded ecu

 

^It sucks that Cobb decided to drop the Infiniti/Nissan connection because they were the only company that I know of that would work with the 03 ECUs.

 

Just an FYI, in case anyone's interested (I looked high and low for people running similar setups on G's, they were hard to find).
2007 6mt coupe
Running 18x10.5 +25 square. They clear without spacers.
275/35 square, but they are vey wide for 275s, literally at least 285.
Dropped maybe 1.5" in front, .5" rear. No extreme neg camber. No rubbing anywhere, even at full lock, but keep in mind these tire diameters are substantially smaller than OEM - tires are a good distance below fenders and my suspension is much stiffer than stock, so tires may never be entering fender wells.

18x10.5 +25 is exactly perfect up front for running wide as possible rubber. It barely clears steering knuckle - just enough that I'm not worried about rubbing.

 

 

Rear fenders rolled? Lowered? If so, How much? Spacers? This setup is fine depending on your setup.

 

Rohana RC7

20x9 Front 22offset 235-35-20
20x11 Rear 28 offset 285-30-20

 

Let me start by saying I love you like a brother and have mad respect for your passion for cars and your contributions to this forum over the years.

That being said, I'm not a fan of the new look. Love the wheel style, especially the concavity but damn, the car almost looks like a donk with the wheels being way too big for the car. Now this is obviously just my opinion and maybe it's the pictures and the angles they were taken at but the side shot gives the car an almost 4WD look because it sits up so high. However if you're happy with them then my opinion is just that and irrelevant to your ride. Looking forward to the day I get to change the mileage in the title of the highest mileage thread to 400K+ 4X4 or not lolol.

 

Hi Everyone,

Just bought a 2006 g35x I plan to use for autocross. I want to use Bridge Potenza RE71R 235-45-18 tires. I currently have the stock infiniti 17x 7 inch rims on. Just checking that if I switch to the Stock Infiniti 18x8 inch rims I shouldnt have any rubbing problems

Specs on the Infiniti stock 18inch rims
Diameter - 18inches
Width - 8 inches
ET - 47

 

235-45 square sounds like a very poor choice for autox, IMHO.
Do you plan on running tires on road frequently?

 

I am just starting Autox so I am quite willing to take advice gratefully from anyone What tiresres would you recommend., and yes this car is also my daily driver so I dont mind using my autox tires as my everyday tires as I like to drive in a spirited manner but I do run dedicated winter tires October to April as I live in Canada.

Hugh

 

First thing you need to do is research impact of changing tire rolling diameter from stock on all wheel drive. Lot of misinformation hereabouts regarding changing diameter on 2 wheel drive (which I'm familiar, but not AWD). That might greatly restrict your choice of tire sizes.

 

Not considering potential AWD issues, wider is always better (for autox). I run 285/35/18 squared. These barely fit on a coupe without fender work. Used to run 305 in rear before I opted for square. My rear tire is much shorter than stock, so my gears are much closer together and top out sooner. This is generally a great advantage in autox, particularly on an under-powered/overweight vehicle like ours.

 

 

Would you run Tokico Blues on 350Z springs? Trying to find a new set of springs to swap out at 150k miles.