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Tyre swap front to rear?


Ala Larj
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On my GS300h the tread depths are as follows:

Both fronts are 4.2mm

Passenger rear 6.8mm

Driver rear 3.2

I am going to buy a new one for the driver rear. Would you just change that one or put the fronts on the back and the passenger rear and new one on the front?

 Thanks for any advice. 

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23 minutes ago, royoftherovers said:

If you had bought both rears at same time, then you have a problem Al. (suspension, driving technique, sub standard tyre ?)

Otherwise, as Peter has said.

The good one on the back was bought due to a puncture a couple of years back. 

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1 minute ago, Las Palmas said:

Front wheel drive cars.

All cars. It's far safer to have understeer than oversteer.

https://kumhotyre.co.uk/kumho-news/should-you-fit-new-tyres-to-the-front-or-rear/

https://www.oponeo.co.uk/blog/better-tyres-in-the-front-or-back-test-results

 

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Just now, NemesisUK said:

Ah, that’s really useful. Thanks 

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6 minutes ago, NemesisUK said:

Had a kit-car with 185 front and 235 rear. Rear wheels were spinning a lot; more power than weight. 2L Porsche engine 650Kg car.

Depending on driver a rear wheel car with much wider rear tyres should have good tread depth on all wheels but if slightly less on front wheel steering can be adjusted with engine power.

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  • 2 weeks later...
4 minutes ago, peniole said:

have abandoned tire rotation

believe it or not, and I found it hard too initially 

Not all cars have the same size tyres supplied from new front and rear ......... weird I know but there you are

Malc

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1 minute ago, Malc said:

believe it or not, and I found it hard too initially 

Not all cars have the same size tyres supplied from new front and rear ......... weird I know but there you are

Malc

Indeed. My old IS had wider ones on the rear. 

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2 hours ago, Malc said:

believe it or not, and I found it hard too initially 

Not all cars have the same size tyres supplied from new front and rear ......... weird I know but there you are

Malc

I know that the minority have staggered wheels [technical term 😀), nice thick layer of sarcasm btw, the question still stands for the majority of cars that aren't ISFs GSFs or indeed corvettes.

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Think of going around a sweeping bend at motorway speeds, now add water, enough to cause hydroplaning if you don't have enough siping left on the old set. Now which tyres would you prefer hydroplane? Rear = rear end swinging out (oversteer) possibly now 90 degrees to traffic or even facing the complete wrong way, or Front = plow straight on (understeer) into the verge?

Both situations suck, one moreso than the other, which is why rotation when possible and replace a whole 4 set is the ideal solution.

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  • 6 months later...

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