New Tires Improve Shifting?

I've been having tramping problems with my WRX for a while now, trying to figure out why, after all these years I can't get my feet coordinated to shift smoothly, especially from a standstill in first. Try as I might to find the sweet spot of clutch slippage to gas, at least a third of the time my front tires would start hopping up and down, making that awful tramping sound reverberate through the car's body.

But I just got a set of new tires and the problem seems to have gone away completely! How could that happen?

The new tires are Yokohama Avid V4Ss, I've only got about 60 miles on them so far. Is it something different about these particular tires, or the ones I had before? Or could the tramping have been because I went through a tight period where I couldn't afford to buy more than two tires at a time? The tread on my rear tires was a lot thinner than the tread on the front, mainly because the last time I bought two tires, I put the new ones on the front because I like the oversteer.

Reply to
Dale
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Could you explain what you mean by "tramping"?

Reply to
CompUser

Perhaps now the tire pressure is correct? Also, tread depth should be similar on all four tires... read the driver's manual.

Reply to
Charles Gillen

Tramping is when the wheels bounce up and down on the suspension whilst the wheels are spinning. Its normally caused by faulty/worn shock absorbers not having the efficiency to absorb the vertical forces generated by the engine applying power to the wheels. The new tyres may have quelled this problem with better damping characteristics in the rubber (Your tyres make up part of the suspension too) OR the old tyres were so poor that they caused the problem.

Ross

Reply to
Ross

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