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Millers Oils Motorsport CRX Gear Oil - 75w-90 NT+

Millers Oils Motorsport CRX Gear Oil - 75w-90 NT+

Millers Oils Motorsport CRX 75w-90 NT+ is a fully synthetic gear oil designed to protect gear teet...

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eBayMillers Oils Motorsport CRX 75w-90 75w90 NT+ Fully Synth Gear Oil 2x1L
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B&QB&Q - Motorsport Crx 75W-90 75W90 Nt+ Fully Synth Gear Oil 2X1L
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OnBuy.comMillers Oils Motorsport Crx 75W-90 75W90 Nt+ Fully Synth Gear Oil 2X1l 5056820503110
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Product Information

Full details

Millers Oils Motorsport CRX 75w-90 NT+ is a high-performance, fully synthetic gear oil engineered for enthusiasts and competitive drivers who demand maximum powertrain efficiency and protection. Utilizing advanced triple ester and NANODRIVE low-friction technology, this lubricant ensures superior anti-wear performance across a wide temperature range, making it ideal for high-stress transmissions and differentials. While it offers professional-grade protection for track days and road use, users must ensure their vehicle's manual specifically mandates a 75w-90 fully synthetic specification to avoid compatibility issues with older gearbox synchronizers.

All features

Model Part NumberCRX 75w-90 NT+
BrandMillers Oils

Extended Product Information

FAQs

Can I use this in my daily driver?

Yes, it is perfectly suited for high-performance road cars, though it is engineered with motorsport in mind.

What is NANODRIVE technology?

It is a proprietary friction-reduction technology using nanoparticles to form a low-friction film on metal surfaces.

How often should I change this oil?

Follow your vehicle manufacturer's service intervals, though race applications may require more frequent changes based on operating hours.

Is this oil compatible with Limited Slip Differentials?

Yes, the formulation is designed to work effectively in differentials that require 75w-90 lubrication.

Can I mix this with other oils?

It is not recommended to mix this oil with others, as it may compromise the performance of the triple ester and NANODRIVE additives.

Why is it better than mineral oil?

Synthetic oils offer better temperature stability, shear resistance, and oxidation resistance, which are crucial under high-performance stress.

Troubleshooting

Increased transmission noise after change

Verify that your transmission type is compatible with a high-performance synthetic oil; some older units require specific additives not present in high-performance esters.

Difficulty shifting when cold

Ensure the oil level is correct. If the issue persists, check the linkage or synchro health, as the oil is designed to flow well at start-up.

Pros and Cons

Pros

  • Significantly reduces internal friction for improved power delivery
  • Maintains robust lubrication film in extreme track temperatures
  • Extends the operational life of gears and transmission internals
  • Provides reliable protection during cold start-ups
  • Formulated specifically for high-performance motorsport applications

Cons

  • Higher cost compared to standard passenger car gear oils
  • May be overly aggressive for some vintage gearbox synchronizer materials
  • Requires proper disposal as it is a specialized chemical product

Setup, Compatibility & Care

  1. Compatibility Check: Before filling your gearbox or differential, verify in your vehicle service manual that the manufacturer recommends a 75w-90 viscosity and that the oil meets the necessary GL-4 or GL-5 API ratings for your specific transmission type.
  2. Draining: Ensure the transmission is at operating temperature during the drain process to allow the old oil to flow out more efficiently.
  3. Refill: Use a clean fluid pump or squeeze bottle to transfer the oil into the filler hole until it reaches the manufacturer's specified level or begins to weep from the fill plug.
  4. Storage: Keep containers sealed in a cool, dry place away from direct sunlight to prevent contamination and additive degradation.
  5. Disposal: Never pour used oil down the drain. Collect waste in a sealed container and take it to a certified oil recycling facility.

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