Old Jan 4, 2006 | 06:45 PM
  #6  
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Jim Galbally
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From: Ramsgate, Kent Drives: E39 530D Touring
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4cyl - in 1 spin of the crank it fires twice at 180degree increments
8cyl - in 1 spin of the crank it fires 4times at 90degree increments

instead of 2 pisons up, 2 pistons down all the time ts 2 up, 2 down 2 half up 2 half down

hey, is the glass half empty?
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