slimjim Posted October 21, 2010 Share Posted October 21, 2010 The more and more I drive... the more I notice that my car tends to drift/track with grooves in the road. It mostly happens on straights where you can pretty much see the grooves in the road made by trucks etc... Yes, my wheels are "wrong" with having 8's on the front and 8's on the back (rather than 8.5) And they are 19's, making the fronts +6% off standard rolling radius! Anyone else notice this? Would getting my tires on the front (the rears are now only 2% off standard RR) reduce this? Is this just something cars with wide wheels suffer from? Quote Link to comment Share on other sites More sharing options...
spursmaddave Posted October 21, 2010 Share Posted October 21, 2010 I get this quite a bit as I work on an industrial estate that is used by 1,000s of Arctics everyday week in, week out. I thought that pretty much any RWD car with wide tyres will tramline Quote Link to comment Share on other sites More sharing options...
slimjim Posted October 21, 2010 Author Share Posted October 21, 2010 I get this quite a bit as I work on an industrial estate that is used by 1,000s of Arctics everyday week in, week out. I thought that pretty much any RWD car with wide tyres will tramline TRAMLINE... that was the damn word I was trying to remember Yeah... so do all Zed's do it? Just gotta keep both hands on the wheel at all times Quote Link to comment Share on other sites More sharing options...
spursmaddave Posted October 21, 2010 Share Posted October 21, 2010 Depends on the roads and the camber really but yeah normal, there is a section near my work that feel like a train track Quote Link to comment Share on other sites More sharing options...
slimjim Posted October 21, 2010 Author Share Posted October 21, 2010 Cheers Dave... makes me feel better Quote Link to comment Share on other sites More sharing options...
spursmaddave Posted October 21, 2010 Share Posted October 21, 2010 Cheers Dave... makes me feel better Please don't, I know nothing... Quote Link to comment Share on other sites More sharing options...
Dblock Posted October 21, 2010 Share Posted October 21, 2010 Depends on your tyres aswell on my 172 the gsd3 seem to do this aswell Quote Link to comment Share on other sites More sharing options...
M13KYF Posted October 21, 2010 Share Posted October 21, 2010 think you answered your own question in the first post Quote Link to comment Share on other sites More sharing options...
slimjim Posted October 21, 2010 Author Share Posted October 21, 2010 think you answered your own question in the first post How? Does the RR make a big difference for tram-lining? Quote Link to comment Share on other sites More sharing options...
slimjim Posted October 21, 2010 Author Share Posted October 21, 2010 Depends on your tyres aswell on my 172 the gsd3 seem to do this aswell I have the Vredestein Ultrac Sessanta's all round.... I thought they were decent tires? Quote Link to comment Share on other sites More sharing options...
maxi-glasgow Posted October 21, 2010 Share Posted October 21, 2010 I used to get this a lot in my Saab, especially when it was getting close to the time where tyres were needing replaced, got to admit I have not experienced it with the Zed so far and that's over a year and a half... Only got GT4 wheels 18" with Avon tyres. Quote Link to comment Share on other sites More sharing options...
Darren-B Posted October 21, 2010 Share Posted October 21, 2010 Wear to the inside of tyres due to negative camber can cause the car to do this, also if the front wheels have positive toe (& negative camber) it will make the car more unstable at higher speeds & can cause it to "tramline" Did you not get the alignment done a while back Jim? Are these "Vredestein Ultrac Sessanta's" directional? Quote Link to comment Share on other sites More sharing options...
slimjim Posted October 21, 2010 Author Share Posted October 21, 2010 Wear to the inside of tyres due to negative camber can cause the car to do this, also if the front wheels have negative toe it will make the car more unstable at higher speeds & can cause it to "tramline" Did you not get the alignment done a while back Jim? Are these "Vredestein Ultrac Sessanta's" directional? Yeah, had it all aligned a few days after our drive round Wales bud... once my new tires turned up... and were fitting in the right direction Like I say, 905% of the time, they are great.... just sometimes they pull on rough roads... or when I am crossing white lines/cats eyes... I will have a look on the front and see if there is any excessive toe in/toe out wear. Can't see how though as they were aligned recently... Good idea to check though, cheers Daz! Quote Link to comment Share on other sites More sharing options...
nickzzz Posted October 21, 2010 Share Posted October 21, 2010 i don't find my z does tramline much, might be because my previous 330ci did it so badly though! It was terrible and got worse in cold weather for some reason. Especially when braking sometimes you needed to grab the wheel to stop it going off the road! May have been worn bushes also. Ps mines just on the standard size rays so different alloys may be the difference! Quote Link to comment Share on other sites More sharing options...
spursmaddave Posted October 21, 2010 Share Posted October 21, 2010 Wear to the inside of tyres due to negative camber can cause the car to do this, also if the front wheels have negative toe it will make the car more unstable at higher speeds & can cause it to "tramline" Did you not get the alignment done a while back Jim? Are these "Vredestein Ultrac Sessanta's" directional? Yeah, had it all aligned a few days after our drive round Wales bud... once my new tires turned up... and were fitting in the right direction Like I say, 905% of the time, they are great.... just sometimes they pull on rough roads... or when I am crossing white lines/cats eyes... I will have a look on the front and see if there is any excessive toe in/toe out wear. Can't see how though as they were aligned recently... Good idea to check though, cheers Daz! Mine only does it on roads with grooves like you say from excessive lorry usage, I find the Z wheels fit exactly in the lorry lines Only other times are when there is a severe camber to the road so I think its perfectly normal, certainly dont get any on nice flat straight roads Spacers dont help but thats another can of worms! Quote Link to comment Share on other sites More sharing options...
Dblock Posted October 21, 2010 Share Posted October 21, 2010 Depends on your tyres aswell on my 172 the gsd3 seem to do this aswell I have the Vredestein Ultrac Sessanta's all round.... I thought they were decent tires? yes they are, the gsd3's are directional so more prone to it. Quote Link to comment Share on other sites More sharing options...
un1eash Posted October 21, 2010 Share Posted October 21, 2010 Mine does this abit, if you think its bad you havent tried a Z4 with RFT's tyres, now that was truely awful. Quote Link to comment Share on other sites More sharing options...
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