Toyo Proxes T1-R and other things I have observed with a 2007 G-35 Coupe 6MT

[Jacko3]

I don't know what is going on with me and my car, but I am beginning to find myself wanting to drive this car all day. I have always loved my 2007 G-35 Coupe, but now the love is getting dangerously too intense since I installed the new Toyo Proxes T1R tires on Saturday. These tires are addictive. My G-35 has been getting better in all ways, since I began upgrading it. The tires I bought are the 275/35 rear, and 245/35 front. I am totally satisfied with the tires--worth all the money I put in it.

Toyo Proxes T1R tires are a dream come true! These tires are impressive on straightline take-off--almost zero spin---it stays on the road as you would expect without loosing grip or trying to steer away from the straight line. And i am beginning to think that it makes the car go even faster by no more than 1 second than the Bridgestone Potenza Re0050A. i really feel like acowboy on the road--- a real road warrior.

Although the first few days with the tire feels odd and strange, as the tire burns in, it gets extremely exciting after that. Now, i am back to flogging my car as usual. Lane changes with these new tires is almost computer programmed feel. I was alarmed at the ease and swiftness of lane changes, at high speeds, with these tires. The tires seem to have a brain of its own. So, you have to think ahead of time while you drive with these tires. Reaction time with the tire is impressive.

The Bridgestone RE00050As seem slow and unstable during straightline take-offs. They seem more predictable and you don't have to think too much when making lane changes with them---you literally have to push the car to wear you want it---the tires don't have a brain of their own except in windy roads. Their grip on tight turns under high speeds is superb. But they are terrible in the rain. Bridgestones cannot adequately handle the torque in the G-35 Coupe. Bridgestones did not look as good on my car.

The Toyo Proxes T1R seems a little shifty on tight turns on windy roads, for now, but they are getting better as they burn in. Afterall, how often do you drive 85 miles and hour on windy roads? I am yet to check their rain performance. These Toyo T1R tires can handle more torque than the car can produce. These Toyos are more fun to drive than the Bridgestone tires. These Toyo T1R tires look excellent on my car. I have no need for spacers or larger wheels. I love my car even more with these tires. I have received over 4 endearing remarks about my car in the last 3 days. That says a lot about the Toyo Proxes t1R tires. I think I will buy another set and just keep it in my garage just in case the manufacturers want to stop its production.

My car is now truely a toy. I don't think a car should be this much fun to drive, and yet look this much beautiful. I would highly recommend the Toyo T1R tires. But remember, give it about 5 days after you buy it, to drive it around and burn it in, before it starts feeling like tires on rails. I had actually considered the Toyo Proxes 4. But they didn't have the tires in the 275/35 size. I bought my tires on http://www.tiredeals4less.com/index.cfm, which was cheapest, and they arrived in less than 48 hours using UPS ground shipping. Rhey charged $50 for shippping and my dealership charged $100 for installation.

Just my 2 cents on the Toyo Proxes T1R tires on a 2007 G-35 Coupe 6MT. They are great!

As a side note, are all G-35 Coupe rotors, dual rotors--I mean rotors with two sides instead of the single wall rotors? My G-35 Coupe rotors looked exctly like the cross-drilled rotors, but without the holes. Just wondering! I also replaced my brake pads as well. Brakes work better than when I bought the car.

My car drives better each time I replace something in it, with the exception of the slight whizzing noise i hear in my transmission, between 3k - 4K RPM, during shifting, which i am begining to enjoy---noise does not occur when I drive aggressively, only when I am driving like a grandma--noise sounds like a race type noise. Infiniti skimped on some quality parts, as I suspect they used a lot of cheap items to break even on the cost of the G-35 Coupe. Moding out the G-35, if you have the money, is not a bad idea at all. And I keep telling others, flog your G-35 Coupe, the car drives better that way.

My mechanic says that the car actually learns your driving pattern after 40 cycles of driving. So, if you ain't flogging your G-35 Coupe, don't expect to beat a Mustang or any other car because your ECU will not have enough time to shift its codes to a more aggresive driving style. Just a few words from my mechanic on a 2007 G-35 Coupe. BTW, my clutch does not burn or smell anymore---the clutch is still pulling so well that i think it will make it to between 35K - 45K, which isn't bad for a car that has been flogged routinely. I changed the transmission fluid back to high quaity Nissan MTF, and the gears shift excellently---I am extremely happy with my 2007 G-35 Coupe.

So, what are your experiences on your tires and your car in general?

[goneracin]

I think "love" isn't a strong enough word. I think"infatuation" suits you better. LOL

[Jacko3]

Genoracin:

I agree!

[C-Kwik]

As a side note, are all G-35 Coupe rotors, dual rotors--I mean rotors with two sides instead of the single wall rotors? My G-35 Coupe rotors looked exctly like the cross-drilled rotors, but without the holes. Just wondering! I also replaced my brake pads as well. Brakes work better than when I bought the car.

The term you're looking for is vented. And to my knowledge, all G35's have vented rotors front and rear. Most cars have front vented rotors. Some will use solid rears. Not sure if there are any cars currently using solid front rotors, but I do know that the 318ti had solid front rotors.

My car drives better each time I replace something in it, with the exception of the slight whizzing noise i hear in my transmission, between 3k - 4K RPM, during shifting, which i am begining to enjoy---noise does not occur when I drive aggressively, only when I am driving like a grandma--noise sounds like a race type noise. Infiniti skimped on some quality parts, as I suspect they used a lot of cheap items to break even on the cost of the G-35 Coupe. Moding out the G-35, if you have the money, is not a bad idea at all. And I keep telling others, flog your G-35 Coupe, the car drives better that way.

Given that it sounded like this sound started after you used the wrong fluid, you may have caused permanent damage. Perhaps you might live with it, but its not a noise you should be hearing and may not be Infinit/Nissan's fault...

[Jacko3]

C-Kwik:

I am doubtful that any permanent damage may have been caused. The car shifts excellently. I used to hear the sound when my new engine was installed only in 1st gear and between 1K - 2K RPM during shifting. Now I hear it in 2nd and 3rd gear only at 3K - 4K RPM. Sometimes I hear it in 4th gear when i shift or i when i step on the accelerator.

So, why do I not hear that whizzing sound when I drive aggressively? I only hear the whizzing noise, temporarily only as I accelerate and get ready to shift. The shifting is extremely smooth and without problems.

When gears have issues, they generally will show up, at some point, in the way the shifting occurs, with more consistent noises across RPM, especially given how hard I drive the car.

My transmission has always rattled from the very first day i bought the car. Two mechanics have taken a look at it and have concluded that the sound may not be a problem so long as the shifting is perfect.

However, one thing I did notice when i had my new engine installed was that I had complained about the very high low-end torque of the revised VQ35DE engine. I worried at that time that the engine my be too torqy for the transmission.

I also disagree that it may not be infiniti's fault as i changed the fluids at a Nissan dealership, which also services 350Zs. 350Zs and G-35s have had the same engine issues for the first day. Afterall, i could have said the same thing and accepted an engine that was consuming excessive oil. Eventually, Infiniti did thew right thing. When I am ready I will take the car back to get the issues worked out with the dealership. I have heard of some 2007 G-35 Coupe models having serious issues as well. This issue has something to do with the revised VQ engine that was installed in the car.

I didn't hear the sound immediately after the fluid change. It took 3 - 4 days before i heard it in 2nd and 3rd gear. Except there is a plastic or soft metal padding that is used in the transmission to muffle transmission noise, has been eaten away by the synthetic fluid used by the Nissan dealership I visited, within 3 days, I don't think most fluids, except acids or caustic substances can cause significant damage in 3 days. i also think changing the oil dislodged many particles that maintianed quiet in the transmission at that time.

If something was damaged or loose in the transmission, it should not be consistent at one particular RPM range--this is why i think the revised VQ engine may have something to do with this sound. You should hear the same noise at some other RPM or gear under different conditions. This isn't the case with my car. The whizzing noise sounds more like a race cars transmission sound, if you have seen those races where they have on-board cameras in the race car. I didn't tell my mechanic abou this, and yet he confirmed that the sound is exactly the type of noise you hear in those race car transmsissions.

Any reason from your experience, why 2nd and 3rd gear will sound quite under 3K RPM and over 4K RPM, and then whizz/whistle a little between 3K and 4K, and the shifting is perfect and excellent without any issues?

Modified by Jacko3 at 4:08 PM 3/26/2008

Modified by Jacko3 at 4:15 PM 3/26/2008
Modified by Jacko3 at 4:18 PM 3/26/2008