255/40/19 or 245/40/19?

[moozico]

Hi guys, I am new to this forum. Thanks for all the helpful info and the participation. I just ordered a set of the Hankook V12 Evos for an 07 M35 Sport I just bought, but now I am wondering if I should change the order to the 255s. I ordered 245/40/19 which is the stock size. Would going to the 255 effect the tramlining problem?

Also, has anyone tried 255/45/19? It seems that size might be an interesting ride.

The main reason for my new tire order is to correct the tramlining problem that I am having with a brand new set of RS-A s. I just bought my M35 from a private dealer who did me a "favor" of putting these new tires on it. I figured he knew what he was doing and asked him to put his favorite tires on it for me since he said he has been driving M35s for many years. When I got the car, I was hoping it would drive like another I test drove which had new tires, but sadly enough, I found it scary to drive on the highway. Like another guy wrote here, I was doing the "white knuckle" behind the wheel. After about a week of driving on these RS-A s, I'm getting more used to them, but I can't see driving on these for a couple of years. Why spend so much on a car and be paranoid to go 80 on the highway? My 96 Saab felt safer than this car.

Like others, I went down to the Infiniti Dealer, the one in Santa Clara, CA, and they said that the RS-A s are great tires. The service guy claimed he's never heard of any tramlining problem caused by these tires. In fact, he told me that there are no tires that would correct the problem. He said that is just how the M35 drives.

I know that is not true. Before I made my purchase, I drove several M35s and 4 of them did have this problem, but one did not. That car had new tires on it which the guys at Infiniti just told me were the Hankooks.

So besides all the great reviews on this site and others about the Hankooks, I also drove on them when I was test driving, and it was the difference of night and day. The M35 with these RS-A tires feels like it has some serious steering problem, like the car was in an accident or something.

Anyway, I was just wondering if the 245's will go straighter than the 255's. I prefer cars that go straight and ones that revert to straight on their own after a turn.

Where I live we have tons of potholes on the highways. It seems like wider tires would run over those better, but I really don't want to have this tramlining problem at all. That is my main concern.

And what about 255/45/19? Has anyone tried that size or would it rub?

Thanks for any input!

[szh]

Welcome to NICO!

but now I am wondering if I should change the order to the 255s. I ordered 245/40/19 which is the stock size. Would going to the 255 effect the tramlining problem?

The tramlining probably more to do with the tire and the tread design than anything else. Either of those two sizes will work, but the stock size will be a better match for the speedometer. Regardless of which, please make sure that load index for both are good enough (i.e, greater than 94 or 95 ...)

Also, has anyone tried 255/45/19? It seems that size might be an interesting ride.

The speedo error will be more pronounced, albeit still fairly minor. The higher sidewall might give you a slightly more comfy ride, but the differences will be mostly imperceptible, IMHO.

Like others, I went down to the Infiniti Dealer, the one in Santa Clara, CA, and they said that the RS-A s are great tires. The service guy claimed he's never heard of any tramlining problem caused by these tires. In fact, he told me that there are no tires that would correct the problem. He said that is just how the M35 drives.

He is wrong! Point him to this forum and also, after you change the tires out, take him for a test drive on something other than the RSA. The differences will be startling enough to convince him.

Z