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8 minutes ago, Chewbacka said:

Being prone to mad ideas, you could take out an injector and seal a pipe to the hole then rotate the engine from bottom dead centre to TDC blowing the air into an inverted bottle full of water to get the air volume of the cylinder.  Multiply by number of cylinders.

How would the displaced water get 'out' and how would you catch it ?

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2 minutes ago, Alan de Enfield said:

How would the displaced water get 'out' and how would you catch it ?

Bucket full of water, bottle full of water, invert bottle in the bucket, blow air from engine into bottle.  When finished, cover bottle opening take out and hold the right way up. Now bottle will be only part full of water.  Weigh , top up, weigh again, difference is 1cc per gram of water added.

 

Added - You could just put the piston at BDC then pour in diesel or oil down the injector or glow plug hole using a measuring jug until full, but you would have to get it all out, or hydraulic lock would destroy the engine when you put the glow plug or injector back in and started it up.

Edited by Chewbacka
  • Greenie 1
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1 minute ago, Chewbacka said:

Bucket full of water, bottle full of water, invert bottle in the bucket, blow air from engine into bottle.  When finished, cover bottle opening take out and hold the right way up. Now bottle will be only part full of water.  Weigh , top up, weigh again, difference is 1cc per gram of water added.

 

Giant Greeny for that !!

Snot Greeny.jpg

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Anyway as long as whatever glow pugs the OP buys fit then it is all pretty academic until he needs some actual BMC parts and by then I expect the engine would be sufficiently in bits to take measurements. The service and injection parts will have their respective maker's reference number on them. The only problem that might occur is with injection equipment settings.

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