Elf HTX Prestige 20W-50

ElfElf HTX (classic cars) linepassenger cars20W-50

Mineral 20W-50 oil from the HTX range for vintage and classic cars, rated API SL and CF.

Classification
Product line Elf HTX (classic cars) 5 oils
SAE viscosity 20W-50What SAE means
Base oil mineral
Intended use passenger cars
API class What API means
Typical properties
Viscosity at 100 °C 17.9 mm²/s
Viscosity index 123
Pour point -27 °C
Flash point >220 °C
Density 889 kg/m³
Pack sizes 5 L

Description

Elf HTX Prestige 20W-50 is a mineral oil from the HTX range for vintage and later classic cars, where a thick oil film and low oil losses matter.

The oil is rated API SL and CF; the data sheet gives no carmaker approvals.

The formulation is kind to the seal and gasket materials used in cars of that time, and its detergency is set to limit varnish deposits. Typical figures: 17.9 mm²/s at 100 °C, viscosity index 123, pour point -27 °C, flash point above 220 °C. Available in 5 litre packs.

Application

Vintage and later classic cars that need a thick oil film and low oil losses.

Worth knowing

Two HTX oils carry the word Prestige in the name, and they are different products. The data sheet aims the monograde SAE 40 at cars from 1900 to 1950 and at engines without an oil filter, and describes the multigrade 20W-50 for classics, both antique and more recent. Elf links the enhanced wear protection precisely to the all-season nature of the multigrade: it prevents problems with oil delivery at low temperatures, that is, excessive load on the pump or a lack of oil at start-up. The difference between the grades shows in the viscosity at 100 °C too: 17.9 mm²/s here against 13.8 mm²/s for Prestige 40.

The data sheet also notes compatibility with fuel for ordinary and classic cars and with synthetic and non-synthetic oils. General cautions about topping up with an oil of a different base can be found in the article on whether synthetic and mineral oils can be mixed.

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

Sources

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