With four Kumho’s mine felt great before I fitted the Eibach lowering springs and even better afterwards (with another trip to the alignment specialist).
I was amazed at how much of a difference having a mixed set on made.
Which makes sense, and is what the alignment guy said too. The ND must have a very delicate balance to be upset by such a seemingly minor difference.
Long story short, on my first MX-5 I chased some apparent alignment, wheel balance and handling problems without success. I finally changed all the tyres for a full new set and it was perfect. I have heard similar stories from a couple of other owners.
I claim no special knowledge but I have since held to the belief that MX-5’s need a matched set of tyres at the right pressures, ideally with even wear front to rear. I swap the wheels front to back occasionally to even out the wear and I’ll replace them all at the same time as I have done for years with all my cars.
You might be lucky if you put the new tyres on the back, but I’d bite the bullet - either get a pair of matching tyres for the good ones or a new set of something else.
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I subscribe to this principle as well, reminds me I need to carry out a wheel rotation on the current set.
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I’m a bit late to the party but here goes lol
First off I’m surprised you left the true with the ‘egg’ on for sooooo long!
Secondly
You only have 4 bits of rubber the size of your hand keeping you and your loved ones on the road at speeds upto 70mph
Where if something goes wrong/let’s go there is always a tree or lamp post to stop you……
Is this worth scrimping on a couple of hundred quid???
Not to mention the enjoyment we get from our cars.
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Hi Paul. Will PM you. Cheers.
Car basically not driven since ‘egg’ discovered.
Interesting article on tyre tests in YouTube article below. Khumo Ecstas do ok but Bridgestones do better. However Bridgestones tested are Potenza Sport’s and not the S001’s. However for light cars such as the MX-5, aquaplaning can be a real issue so the Kumhos are probably the safest in such conditions.
These are the BEST UUHP TIRES you can buy for your car in 2022! - YouTube