View Single Post
  #33   Report Post  
Posted to uk.d-i-y
Chris Bacon
 
Posts: n/a
Default [OT] 99 Octane petrol

Dave Plowman (News) wrote:
The stroke of the piston and the size of the combustion chamber determine
the compression ratio.


No they don't.


Basically you've got things the wrong way round. Too low an octane rating
can damage an engine. Not the other way round.


AOL.