[W126 Coupe] compression

[Chris]

A compression gauge measures the pressure generated in each cylinder.

The compression ratio is the difference between the cylinder and head contents with the piston at TDC divided into the cylinder and head with the piston at BDC.
or
The small volume held in the cylinder when the piston is at the top of its stroke divided into the larger volume held in the cylinder when the piston is at the bottom of its stroke.

To determine what the head will hold you cc the head. Look here. And here.

Chris

----- Original Message ----- 
  From: Habib Smith 
  To: mbcoupes archives 
  Sent: Sunday, May 01, 2005 7:22 PM
  Subject: [W126 Coupe] compression


  can someone please explain how compression is measured? not tested, but measured.. thanks


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