Unicorn tears and other fluids
Roadster season is still not in full swing due to cold temperatures and occasional snow. But here are a few tips what you should do before the season.
Tip number one:
If your gear shifting is not buttery smooth as normal or you just want to make it a bit better I would suggest to change transmission oil. My Mazda MX-5 has 6 speed transmission which was co-developed by Ford. I need to say that while this is one of the best short gear transmission it can fell a bit notchy while the car is still cold, specially going into first gear. Over the internet you can find a lot of advises how to fix this behavior.
Like most of the people I was looking for Geniue Ford Motorcraft XT-M5-QS Full Synthetic Manual Transmission Fluid. This product is widely know as "unicorn tears" in Miata community.
After a bit of research I found out that it's quite hard to get it in Slovenia. Who would imagine that unicorn tears are so hard to get?
That did not stop me and I found out that Castrol is actually making unicorn tears with their own brand. It's called Castrol Syntrans Multivehicle 75W-90 and it also says that it meets Ford Approval which should results in smooth shifting.
I got this Castrol manual transmission oil and it did a great difference in the smoothness of my 6-speed manual transmission. I can highly recommend it.
Tip number two:
My model has an additional performance package which also brings Limited Slip Differential or simply LSD. Benefits of having an LSD, which is located on the rear axle, is improved vehicle traction and handling. LSD is also using special oil. On most cars you only change this oil when your odometer is showing around 200.000km. With sportier cars in this case Miata you need to change this oil more regularly. I would advise it to change in intervals at around 30.000-40.000 km.
After a bit of research and help of Mazda community I decided to go with Motul Gear 300 LS 75W-90 this one is intended for differential on high performance and racing cars. It is also important to note that it needs to be API GL 5 for Mazda MX-5 NC differential.
With a change of LSD oil we quickly notice that the ride becomes much more quieter and only then you notice how loud the differential really was with old oil. Definitely something you need to do properly maintain your Miata.
Also don't forget to frequently change your oil filter and engine oil. That are really the basics.
With that said, check your tires, tire pressure and you are ready for your first season trip. Don't forget to clean it, so it will shine on your ride.
I wounder where will you go...
Until next time …
Cheers,
Nino Vranešič











