AUSTIN A90 Atlantic 1950-54 Engine & Clutch Overhaul Manual | PDF Download

If you're rebuilding an Austin A90 Atlantic engine, setting up the twin SU carburettors, investigating low oil pressure, or trying to cure an overheating problem, this manual contains the workshop information needed to diagnose faults and carry out repairs with confidence.

Covering the 2660cc overhead-valve four-cylinder engine fitted to A90 Atlantic Saloon and Convertible models from 1950 to 1954, the manual includes complete engine overhaul procedures, cylinder head servicing, valve grinding, valve timing, piston and piston ring replacement, crankshaft and bearing inspection, timing chain work, and full engine reassembly instructions. Detailed specifications, clearances, adjustment data, and service settings are provided throughout.

There is also extensive coverage of the Atlantic's twin SU carburettor system, including carburettor tuning, idle adjustment, fuel mixture settings, float chamber servicing, jet and needle inspection, and fuel delivery troubleshooting. The fuel system section also covers the AC-Sphinx mechanical fuel pump, inlet manifolds, air cleaners, and related components.

Additional chapters cover the cooling system, radiator servicing, thermostat testing, water pump overhaul, lubrication system maintenance, oil pump repairs, Tecalemit and Micronic oil filters, ignition timing, spark plug diagnosis, and Borg & Beck clutch overhaul. Whether you're dealing with low compression, excessive oil consumption, bearing noise, poor running, fuel starvation, or clutch adjustment issues, the fault-finding sections help pinpoint likely causes and recommended remedies.

Supplied as an instant PDF download, the manual can be viewed on a computer, tablet, or phone, or printed for workshop use.