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1948 austin devon a40 tappet clearance
I found the owners manual
Decarbonising, Valve Grinding and Tappet Adjustment: This attention may not be needed so frequently on vehicles used for long journeys. As a general guide, a falling off in engine power with pinking indicates when decarbonising is due. The correct tappet clearance is .015 in. with the engine hot or cold.
A van and pickup truck were also produced. The Devon was the first post-war-designed Austin to be assembled in New Zealand. It was produced from CKD kits at the Austin Distributors Federation assembly plant in Petone. Some examples are still on the road. A prototype A40 Dorset Tourer was built at Longbridge in 1948.
Engine: 1.2 L (1200 cc) Straight-4 Production: 1947-52 Wheelbase: 92.5 in (2,350 mm) Length: 153 in (3,886 mm)
THE AUSTIN A40' MAINTENANCE INSTRUCTIONS Gear Lever: Should always be in neutral when starting the engine. The lever is mounted on the .... During this mileage a slight falling-off in engine power may develop, in which case it is beneficial to lightly grind-in the valves and re-set the valve clearances. No engine or ...
BASIC A40 INFORMATION. What year is my Austin? If it is a Dorset (two-door sedan) it was made in 1947 or 1948 or possibly early 1949. If it is a Devon (four-door sedan) it was made from 1947-1951. If it is a pick-up, countryman, or panel delivery it was made from 1947-1956. Where was it made? Austins were made in ...
Missing: tappet clearance
Feb 19, 2016 - 4 posts - 3 authors
To adjust valve clearances you want to arrange for the cam follower to be on the back side of the cam. This is very simple, especially on cars fitted with starting handles. All you need to do is turn the handle until the valve to be adjusted is fully open then turn the handle one complete turn and you are now on ...Missing: 1948 devon
https://www.ebay.co.uk > ... > A40 Model Car Manuals and Literature
Results 337 - 384 of 393 - Models covered: A40 1947-49, A125 Sheerline 1947-49, A135 Princess 1947-49, A70 1948-49 & A90 1948-49. Printed from a scan of the original onto A4 paper. Datasheet for Austin. Includes such information as firing order, carb settings, valve timing, tappet clearances, plug gaps and tyre ...
Counting on my fingers I make that over 25 years old, so the maintenance history and mileage become very relevant.
I'd be considering an ignition tune-up as an appropriate first step.
Changing spark plugs, plug lead harness (wires), rotor, cap, coil, Points & condenser (or solid state components.
Chances are it will show a remarkable improvement.
The rotor is either "keyed" or screwed onto the advance plate under the distributor cap. Does your truck have points and condenser or a breaker-less inductive pickup? If points/condenser, you may want to replace them (condensers can be fickle little beasts). If inductive pickup, they usually either work or they don't. If distributor has a vacuum advance, make sure the vacuum diaphragm is working as it should; if centrifugal advance check for free movement and lubrication of the advance mechanism. After all that, if you are still having problems, check your coil, coil wire (did you replace it when you changed plug wires?), and timing. BTW, are you getting a check engine light and associated error codes? Good luck.
Have you checked the spark plug leads, disy cap and rotor. Does that model have points. Have you checked the coil. Some golfs have a rubber mount for the carby that splits and sucks air in. Have you changed the fuel filter. Is the air filter really dirty