Elf HTX Collection 20W-50

ElfElf HTX (classic cars) linepassenger cars20W-50

20W-50 oil from the HTX range for restored collector cars and youngtimers, rated API SL and CF.

Classification
Product line Elf HTX (classic cars) 5 oils
SAE viscosity 20W-50What SAE means
Intended use passenger cars
API class What API means
Typical properties
Viscosity at 100 °C 18.8 mm²/s
Viscosity index 124
Pour point -27 °C
Flash point >220 °C
Density 893 kg/m³
Pack sizes 5 L

Description

Elf HTX Collection 20W-50 is a multigrade oil from the HTX range for restored collector cars from around the middle of the 20th century and for youngtimers, both naturally aspirated and turbocharged.

The oil is rated API SL and CF; the data sheet gives no carmaker approvals. Its modern additives are compatible with the engine design of that period.

It protects cars that stand unused for long spells against rust and corrosion, and its multigrade viscosity limits wear when the engine is started after storage. Typical figures: 18.8 mm²/s at 100 °C, viscosity index 124, pour point -27 °C. Available in 5 litre packs.

Application

Restored collector cars built from around the middle of the 20th century, and youngtimers, with or without turbocharging.

Worth knowing

The designation 20W-50 and the API SL and CF classes are the same in two HTX oils, Collection and Prestige 20W-50, so it is the data sheet descriptions that tell them apart. Elf calls Prestige 20W-50 a mineral oil and stresses its compatibility with the gaskets of vintage cars, the film between the cylinder wall and the piston rings, and the limiting of varnish deposits. The Collection description, by contrast, concentrates on engines restored to factory condition. The typical figures differ little: 18.8 against 17.9 mm²/s at 100 °C, viscosity index 124 and 123, pour point -27 °C in both.

The Collection data sheet mentions youngtimers separately, but for such cars the range also has Generation 15W-40, which Elf’s catalogue aims chiefly at cars built between 1980 and 2000; by their codes the two oils differ only in SAE grade. The API SL class they share offers no pointer either way.

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

Sources

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