Note a) The ‘Whittle’ fan belt – a useful idea as the front engine mounting would have to be disconnected to replace a continuous belt. b) the ignition timing mark on the vibration damper highlighted for the mechanic who fits the engine Reply
number 393 looks like a Silver Crest and the first photo also looks like an early photo of a silver crest engine. It doesn’t appear to show the cam followers cover and my 1937 model does not have the covers. Reply
Alvis Archive 
Note a)
The ‘Whittle’ fan belt – a useful idea as the front engine mounting would have to be disconnected to replace a continuous belt.
b) the ignition timing mark on the vibration damper highlighted for the mechanic who fits the engine
number 393 looks like a Silver Crest and the first photo also looks like an early photo of a silver crest engine. It doesn’t appear to show the cam followers cover and my 1937 model does not have the covers.