Idemitsu 20W-50 Full Synthetic Rotary Race Oil (2847-042A)

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  • $10.25

We will not ship this internationally, you will be refunded for it if you order it to ship outside of the USA.

Do you feel that you aren’t getting the power you should be from your rotary engine? Are you experiencing bearing wear under severe (or possibly under not-so-severe) operating conditions? If so, you may be using the wrong engine oil. Idemitsu 20W-50 can reduce or even eliminate some of the problems you may be having.

- Formulated Specifically For High Performance Rotary Engines
- Contains Special Molybdenum Agents to Reduce Friction, Which Increases Horsepower & Torque
- Improved Sealing Performance
- Minimizes Exhaust Port Clogging
- Superior Shear Stability
- Exceptional Wear Protection & Durability

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    • Weight
      1.97 lbs
    • SKU
      ID-2847-042A
  • Manufacturer
    Idemitsu

As the developer of the engine oil for the winning 1991 LeMans Mazda 787B and a long time supplier of vital lubricants to Mazda, Idemitsu has intimate knowledge of the requirements of rotary engines.

-With the precise base oil mix of PolyAlphaOlephins and PolyEsters, Idemitsu Rotary Engine Oils are able to minimize those deposits on your apex seals.
-Allows for better sealing of the chamber, facilitating more power generation.
-Extends the life of turbochargers by reducing bearing coking.
-Specially developed additives facilitate even tooth load on the front stationary gear to allow for higher loads and higher RPM.
-Premium anti-wear agents create a strong film between the main bearings and the eccentric shaft, reducing metal-to-metal contact and minimizing bearing wear.
-Developed to reduce entrained gas generation. Entrained gases reduce the oils ability to prevent metal-on-metal contact, thereby increasing main bearing wear.
-Includes Molybdenum as a friction modifier. This compound reacts with the metal surfaces to create a low-shear boundary. The low shear characteristic reduces friction, increasing efficiency and power output.

Specification Sheet

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Model Year Engine
Rx8 04-08 13B-MSP
Rx8 09-11 13B-MSP
Cosmo 90-95 20B
Rx7 1979 12A
Rx7 1980 12A
Rx7 1981 12A
Rx7 1982 12A
Rx7 1983 12A
Rx7 1984 12A
Rx7 1984 13B
Rx7 1985 12A
Rx7 1985 13B
Rx7 1986 Non-Turbo
Rx7 1987 Non-Turbo
Rx7 1987 Turbo
Rx7 1988 Non-Turbo
Rx7 1988 Turbo
Rx7 1989 Non-Turbo
Rx7 1989 Turbo
Rx7 1990 Non-Turbo
Rx7 1990 Turbo
Rx7 1991 Non-Turbo
Rx7 1991 Turbo
Rx7 1993 Automatic
Rx7 1993 Manual
Rx7 1994 Manual
Rx7 1994 Automatic
Rx7 1995 Manual
Rx7 1995 Automatic