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Technical data

As with the rest of the site, if you have anything to add, let us know at submit@hydragas.co.uk.

Hydrolastic Fluid

The fluid is the same in both systems, and is designed for the following requirements:

Because the fluid mix chosen contained alcohol, customs and excise insisted on a further additive to make it very unpleasant to drink. The official recipe for genuine BMC/MG Rover fluid is as follows:

Vehicle Specifications

For detailed data, click on the model number.

CarSuspension typeConnectionsRide height (from wheel centre to top of arch)
ADO15Mini saloon (Sept 1964-Oct 1968) and Cooper S (-June 1971)HydrolasticFront-rearUp to late 1965: Front: 324-336mm Rear: 337-340mm
Late 1965-on: Front: 315mm-350mm Rear: 325-340mm
ADO16BMC 1100/1300HydrolasticFront-rearFront: 346mm
ADO17BMC 1800/2200HydrolasticFront-rearFront: 378mm
ADO61Austin 3-litreHydrolasticFront-rear
ADO14Austin Maxi (-Feb 1978)HydrolasticFront-rear359mm
ADO14Austin Maxi (Feb 1978-)HydragasFront-rear359mm
ADO71Leyland 18/22 series/Austin PrincessHydragasFront-rear368mm
LM19Austin AmbassadorHydragasFront-rear368mm
ADO67Austin Allegro and VP 1500HydragasFront-rearUp to VIN 226628: 375mm. VIN 226629 onwards: 368mm
LC8Austin/MG Metro (-April 1990, A-series engine)HydragasFront seperate, rear connected side to sideFront: 327mm ± 10mm Rear: 321mm ± 10mm
Van Front: 331mm ± 10mm
R6Rover Metro/100 (April 1990-, K-series or diesel engine)HydragasFront-rearFront: 341mm ± 10mm
PR3MGF (excluding TF)HydragasFront-rear368mm ± 10 mm at 17°C
How to use a Hydrolastic/Hydragas pump for topping up
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