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Swapping between two sets of wheels
- Marlon
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Swapping between two sets of wheels
I swapped back to my style 32s a few weeks ago and immediately noticed a slight twitchiness at 70 – 75 mph. It was very subtle but was repeatable – it felt like the balancing was slightly out.
Before I swapped them out for the 224s in July the feel behind the wheel was solid at any speed with no hint of this twitchiness.
I checked the tyre pressures and they were as before and so the only variable I could think of was that I’d put the front tyres on different sides.
Working on the possibility that this could have affected the balance or tracking, I swapped the front tyres around and went for a test drive this afternoon and guess what, the twitchiness has gone and the car feels as smooth and planted through the steering as it did before.
Does this make sense?
This may be a dumb question but is it important when swapping back to a set of wheels that fronts go back on the same side they came off?
Before I swapped them out for the 224s in July the feel behind the wheel was solid at any speed with no hint of this twitchiness.
I checked the tyre pressures and they were as before and so the only variable I could think of was that I’d put the front tyres on different sides.
Working on the possibility that this could have affected the balance or tracking, I swapped the front tyres around and went for a test drive this afternoon and guess what, the twitchiness has gone and the car feels as smooth and planted through the steering as it did before.
Does this make sense?
This may be a dumb question but is it important when swapping back to a set of wheels that fronts go back on the same side they came off?
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- kis
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Swapping between two sets of wheels
Must be, not that I'd really thought about it before. The set up front and back is different even if you have a square wheel set up. We know for example that the rear has more camber... So will wear different to fronts.
What I was initially thinking when reading was tyre pressures. But obviously not!
I'm glad most of the wheels I have are staggered! But the ones that aren't I'll specifically mark them as 'fronts' or 'rears' on the inside wall when the come off!!
What I was initially thinking when reading was tyre pressures. But obviously not!
I'm glad most of the wheels I have are staggered! But the ones that aren't I'll specifically mark them as 'fronts' or 'rears' on the inside wall when the come off!!
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- philbo909
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Swapping between two sets of wheels
is the tread pattern on your tyres handed? my Asymmetric tyres are marked "this side out", having them the wrong way would explain why steering felt different maybe?Marlon wrote: ↑Sun Nov 26, 2017 4:23 pm I swapped back to my style 32s a few weeks ago and immediately noticed a slight twitchiness at 70 – 75 mph. It was very subtle but was repeatable – it felt like the balancing was slightly out.
Before I swapped them out for the 224s in July the feel behind the wheel was solid at any speed with no hint of this twitchiness.
I checked the tyre pressures and they were as before and so the only variable I could think of was that I’d put the front tyres on different sides.
Working on the possibility that this could have affected the balance or tracking, I swapped the front tyres around and went for a test drive this afternoon and guess what, the twitchiness has gone and the car feels as smooth and planted through the steering as it did before.
Does this make sense?
This maybe a dumb question but is it important when swapping back to a set of wheels that fronts go back on the same side they came off?
Sapphire black z4 coupe 135,000miles young
- mr wilks
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Swapping between two sets of wheels
How many miles had you done with the tyres on the style 32s before you swapped them off Colin ? The tread can bed in to a certain side after a few thousand miles then feel odd if switched to the other side .
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- Marlon
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Swapping between two sets of wheels
Quite a few Andy, at least 5k miles - interesting.
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- Marlon
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Swapping between two sets of wheels
Not sure I understand this - wouldn't 'this side out' apply to either side?philbo909 wrote: ↑Sun Nov 26, 2017 4:58 pmis the tread pattern on your tyres handed? my Asymmetric tyres are marked "this side out", having them the wrong way would explain why steering felt different maybe?Marlon wrote: ↑Sun Nov 26, 2017 4:23 pm I swapped back to my style 32s a few weeks ago and immediately noticed a slight twitchiness at 70 – 75 mph. It was very subtle but was repeatable – it felt like the balancing was slightly out.
Before I swapped them out for the 224s in July the feel behind the wheel was solid at any speed with no hint of this twitchiness.
I checked the tyre pressures and they were as before and so the only variable I could think of was that I’d put the front tyres on different sides.
Working on the possibility that this could have affected the balance or tracking, I swapped the front tyres around and went for a test drive this afternoon and guess what, the twitchiness has gone and the car feels as smooth and planted through the steering as it did before.
Does this make sense?
This maybe a dumb question but is it important when swapping back to a set of wheels that fronts go back on the same side they came off?
Gone: 3.0si 2008 E85
911 997 Carrera S
- pvr
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Swapping between two sets of wheels
At least not as bad as PerryGunn swapping the rears with the fronts
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- mr wilks
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Swapping between two sets of wheels
We all know the Se Si 85s 86s are susceptible to steering feel / issues , it wouldn't take much for one tyre to be "off" & feel it at speed & especially noticeable when switching between sets . occasionally in the past ive had sets i know for fact are true & balanced with zero twitch at speed yet sell them on & on another car might feel "off" through the steering wheel .
Imo the more you chop & change wheels + tyres the more you get a feel for when your car is "right"
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- Smartbear
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Swapping between two sets of wheels
If they are rotational then swapping from left to right will reverse the rotation even though the “outside” markings will be correctMarlon wrote: ↑Sun Nov 26, 2017 5:53 pmNot sure I understand this - wouldn't 'this side out' apply to either side?philbo909 wrote: ↑Sun Nov 26, 2017 4:58 pmis the tread pattern on your tyres handed? my Asymmetric tyres are marked "this side out", having them the wrong way would explain why steering felt different maybe?Marlon wrote: ↑Sun Nov 26, 2017 4:23 pm I swapped back to my style 32s a few weeks ago and immediately noticed a slight twitchiness at 70 – 75 mph. It was very subtle but was repeatable – it felt like the balancing was slightly out.
Before I swapped them out for the 224s in July the feel behind the wheel was solid at any speed with no hint of this twitchiness.
I checked the tyre pressures and they were as before and so the only variable I could think of was that I’d put the front tyres on different sides.
Working on the possibility that this could have affected the balance or tracking, I swapped the front tyres around and went for a test drive this afternoon and guess what, the twitchiness has gone and the car feels as smooth and planted through the steering as it did before.
Does this make sense?
This maybe a dumb question but is it important when swapping back to a set of wheels that fronts go back on the same side they came off?
Rob
e89 Sdrive 20i, plenty of mumbo & good economy-the thinking bears z4
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- Marlon
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Swapping between two sets of wheels
erm . . thanks Rob . . .
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- Havard
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Swapping between two sets of wheels
I had this with the M after have the wheels refurbed. The fronts had been put back on the opposite side. Car pulled heavily to the left on the motorway and under heavy breaking was a death trap.
Went to my tyre fitted and explained the problem and he swapped the fronts around. When I asked him why it made a difference he said.
If the tyre is halfway through its life they wear a certain way and every car is different, even the same model. He said, imagine going for a walk in a pair of someone else's shoes....
Car has been perfect since...btw.
H.
Went to my tyre fitted and explained the problem and he swapped the fronts around. When I asked him why it made a difference he said.
If the tyre is halfway through its life they wear a certain way and every car is different, even the same model. He said, imagine going for a walk in a pair of someone else's shoes....
Car has been perfect since...btw.
H.
- patriot66
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Swapping between two sets of wheels
I always mark my wheels NSF, NSR, OSF, OSR with a paint pen on the reverse side of one the spokes and always refit each wheel in its 'correct' position if I've removed them for whatever reason.
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- Mr Tidy
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Swapping between two sets of wheels
erm . . thanks Rob . . .
[/quote]
What he means is the "Outside" markings refer to which way the tyre is put onto the rim.
The "directional" markings relate to which way the tyre is designed to rotate when the car moves.
So if they are directional the one with a clockwise pointing arrow needs to go on the driver's side, and the one pointing anti-clockwise needs to go on the passenger side.
I hope that makes sense.
And yes, I found out the first time I used directional winters and had already fitted one to the wrong side (although I had got 2 right by accident)!
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- markeg
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Swapping between two sets of wheels
^^ This. Rotating tyres across the axle every 1000 miles or so helps get an even wear pattern, but can get "tiresome" (pun intended). When I take summers off and put winters on, I label the tyre to show which side it came off, otherwise you get twitchiness - I've also found on my "shed" which has a square setup, when putting the winters back on incorrectly it set up a noticeable vibration around 70mph
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- Marlon
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Swapping between two sets of wheels
Understood, thanksMr Tidy wrote: ↑Sun Nov 26, 2017 7:30 pmWhat he means is the "Outside" markings refer to which way the tyre is put onto the rim.
The "directional" markings relate to which way the tyre is designed to rotate when the car moves.
So if they are directional the one with a clockwise pointing arrow needs to go on the driver's side, and the one pointing anti-clockwise needs to go on the passenger side.
I hope that makes sense.
And yes, I found out the first time I used directional winters and had already fitted one to the wrong side (although I had got 2 right by accident)!
Gone: 3.0si 2008 E85
911 997 Carrera S