Tramlining

[Norm Peterson]

Different types of tires make a huge difference. Michelin PSS likes to tramline a lot.

Not in my experience.

That's with three different sizes on two different cars, one set on max-width wheels, the other two on "measuring width" wheels. Two sets being run at close to -2° camber, one set around -0.5°.

I'd bet that OP's car would quiet down a bit if the front and rear toes were checked and reset to slightly less-aggressive values.


I do agree about tramlining being worse (sometimes much worse) with some tires and barely noticeable with others.


Norm

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[torque124]

Tramlining in the GT350 as stock is less than it was in my '13 GT500... I mean way less.

To me is not an issue ?

 

[DrumReaper]

Don't see many R drivers with an arm up on the door sill or arm rest, lol - two hands required!

Meh... you just got girlie arms. Workout more and join the one-arm club. :cheers:

 

[HizliBullet]

I noticed the tramlining more especially when its on sport steering it dips into the grooves on the road and yanks the car and makes me fight the wheel

I didnt have this on my older GT, narrower tires

 

[FocusRS]

After i changed to 6G R spec wheels and Conti Contact DW tires it completely eliminated it.

Same here.

1st switched to the winter 295 square pirellis on stock rims 0 tramlining.
5-6 mos later popped on my new summer setup - 6GR R-specs w/conti dw summers and 0 tramling.

selling a set of four stock pirellis one tire has a nail in the middle thats an easy patch... pm a price

 

[cking]

Not sure how accurate tire pressure sensors are however it showed all my tires even. I took her out for my weekly Sunday drive [sic]. Noticed it was tramming! It has never done this. So scroll through and find that all 4 tires are down 3# from my last recollection. I know temperature, its been steadily getting warmer, and car sits in a 40x80 closed metal barn. So do tires stretch when broken in? Anyway next Sunday they will get put back and then will see.

 

[Norm Peterson]

So do tires stretch when broken in?

Not to my knowledge. But they aren't guaranteed to be 100.0000% airtight either.

Never mind that if your recollection was from after the tires had been warmed due to driving on them for a while, a 3 psi loss from there would be entirely likely.

For inflation pressures in the 30 - 40 psi range, the correlation between ambient temperature and inflation pressure is approximately 1 psi pressure change per 10°F temperature change.


Norm

 

[Hack]

My last alignment - before and after. Tramlining much improved after the alignment.

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