Compression Ratio, How?
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Compression Ratio, How?
Except for calculating things (which I'm not terribly good at), how can I find out what C/R my engine is running? I've got a couple of different setups to swap around, and I could do with testing each one.....
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From: Bristol
not accurately without taking apart the engine and measuring bore stroke etc and working it out
somoene with experience maybe able to give a guestimate by the figures you get with a compression test
somoene with experience maybe able to give a guestimate by the figures you get with a compression test
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http://www.dunegoon.org/compression.html
If it is a standard engine you will be able to research things like bore, stroke, rod length, compression height, combustion volume and deck height. If not you'll know at least some so can get a rough idea of CR.
If it is a standard engine you will be able to research things like bore, stroke, rod length, compression height, combustion volume and deck height. If not you'll know at least some so can get a rough idea of CR.
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