Motul 8100 POWER 5W-50

MotulMotul 8100 linepassenger cars5W-50

Fully synthetic API SP 5W-50 oil with esters for uprated petrol and diesel cars driven hard.

Classification
Product line Motul 8100 28 oils
SAE viscosity 5W-50What SAE means
Base oil fully synthetic
Intended use passenger cars
API class What API means
Approvals
Meets the requirements of
  • Ford WSS-M2C931-D
  • Ford WSS-M2C931-E1
What an approval means
Typical properties
Viscosity at 40 °C 106.9 mm²/s
Viscosity at 100 °C 17.9 mm²/s
Viscosity index 187
HTHS viscosity 4.3 mPa·s
Pour point -45 °C
Flash point 238 °C
Base number (TBN) 7.9 mg KOH/g
Sulphated ash 0.79 %
Density 847 kg/m³
Pack sizes 1 L, 5 L, 60 L

The car maker has not officially approved the entries in the “Meets the requirements of” row.

Description

Motul 8100 POWER 5W-50 is a fully synthetic engine oil from the 8100 line, blended with esters in a formulation the maker derives from its motorsport oils. It is intended for tuned and powerful petrol and diesel car engines that run at high revs across a wide temperature range.

The oil is rated API SP; the data sheet lists no official car-maker approvals. It meets the requirements of Ford WSS-M2C931-D and Ford WSS-M2C931-E1 without official approval.

Typical figures: kinematic viscosity 17.9 mm²/s at 100 °C, viscosity index 187, HTHS 4.3 mPa·s, pour point -45 °C. Available in 1 to 60 litres.

It is designed for spirited driving and track days rather than for extended manufacturer service intervals.

Application

Tuned and highly uprated petrol and diesel cars run across a wide range of revs and temperatures, including occasional track days, where an API SP 5W-50 oil is acceptable for the engine.

Worth knowing

Both Ford codes on this oil are revisions of one 5W-50 specification. According to the Motul data sheet, Ford WSS-M2C931-D requires API SN Plus in this viscosity grade; it is aimed at, among others, the Focus RS 2.3 EcoBoost AWD, the Ford GT from 2016 and the Mustang GT350 and GT350R from 2018, and covers the earlier revisions C, B and A. Ford WSS-M2C931-E1 adds the requirement for a fully synthetic oil; the data sheet gives the F-150 Raptor R pickup as an example. The same document calls API SP fully backward compatible with API SN and all earlier API classes.

The other side of this hierarchy shows in the data sheet of Motul SPORT 5W-50: its only Ford code is WSS-M2C931-C, alongside API SN and CF, and Motul expressly forbids it in vehicles that call for revision D, which C does not cover. The models the SPORT data sheet assigns to C are those the 8100 POWER data sheet assigns to D; when in doubt, SPORT’s data sheet points to the service book. How to read Ford WSS-M2C approvals, including what the final letter means and when a new revision replaces the old one, has its own article.

Data current as of Check the label and the current product data sheet before you buy.

Sources

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