Well made and it fits. What more needs to be said?
FORTEC supplies drivetrain lubricants suited to RX8 differential and gearbox servicing, with grades including RX8 80W-140 differential oil for owners maintaining or upgrading their drivetrain. Use this range to identify the right fluid by grade and application before committing to a service.
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Well made and it fits. What more needs to be said?
You won't have any issues with the airbag or electronics. Make sure you get the right wheel--I bought my S2 wheel from MazMart. I installed mine just the other week, and I love the feel. It was a huge upgrade from stock.
Steering wheel , GReddy Radiator , Odula intake , Extractors , OMP sheild , Brass gear stick bush , Alternator , GReddy pulley set , New gear stick boot , Magnetic sump plug with a lot more to come ! One of the nicest guys to deal with as well for parts and knowledge on Mazdas is next level !
Rear brake upgrade all done ✅ in time for Rotary Revival 🤙🏻 RX8 Upgrades supplied Auto EXE rear rotors , pads and lines Overhauled calipers , new wheel bearings now matches the front 🙌🏻 Nearly time to drive 😉🚀
Full exhaust setup finally finished! All top quality jap items 🇯🇵 Odula Headers/Exhaust Manifold Odula RS Spec Muffler with Kakimoto Tail Finishers In Burnt Titanium Sard Hi Flow Catalytic Convertor As always shoutout to the main man who brings the goods RX8 Upgrades 💪
HKS Hi-Power Cat-Back Exhaust with Titanium Tip for Mazda RX8 (Series 1 & 2, 2003-2012)
I have the hks on a mark 1 like yours No drone lovely deep tone, not harsh at all at low revs, But when you give it some Welly it roars lovely Definitely recommend
Drivetrain fluid condition matters more than many RX8 owners realise. The differential and gearbox work hard in a rear-wheel-drive sports car. As a result, degraded or incorrect lubricant shows up as notchy shifts, increased wear, and inconsistent feel at the limit. FORTEC covers both applications with purpose-graded oils, including RX8 80W-140 differential oil for the rear diff.
The differential and gearbox are separate systems with different fluid requirements. For example, treating them as interchangeable is one of the more common drivetrain servicing mistakes. The 80W-140 viscosity grade suits the load and temperature demands of the rear differential. Meanwhile, owners researching RX8 75W-90 gearbox oil are looking at a different job entirely. The lighter viscosity reflects the gearbox’s own design requirements.
This range brings together FORTEC’s lubricant line-up in one place. Therefore, compare options by grade before ordering. Whether you are planning a full drivetrain service or targeting a single component, review the available RX8 80W-140 differential oil and gearbox oil listings against your requirements.
Learn more about the full FORTEC Lubricants product range on the manufacturer’s official site. However, always check each product listing for application details. Also, use your RX8 service documentation to confirm suitability for your build.
The RX8 differential typically calls for an 80W-140 grade gear oil. Always cross-reference with your vehicle's service information to confirm the correct specification for your build and intended use before selecting a product.
No, the RX8 differential and gearbox are separate systems that use different fluids. The differential commonly takes an 80W-140 grade oil, while the gearbox is typically serviced with a 75W-90 grade. Selecting the right fluid for each component is essential - check each product listing's stated application before ordering.
Service intervals for the RX8 differential vary depending on use and driving conditions. Refer to your Mazda service documentation for the recommended interval, and factor in your intended use - for example, track use may warrant more frequent changes than regular road driving.
Yes, many RX8 owners plan both services together as part of a drivetrain maintenance session. Just treat them as two separate fluid choices - confirm the correct grade and application for each system individually rather than using the same oil across both.
Check the grade and application details on the individual product listing, then compare that against your RX8 service information. The key details to match are the viscosity grade and the intended application - differential versus gearbox - to make sure you are ordering the right fluid for the right component.