For Sale: WHISTLER COMPRESSION RATIO TESTER
The WHISTLER is an electronic device that instantly determines the compression ratio of
virtually any engine.
Using the WHISTLER is easy, just remove a spark plug and screw the WHISTLER adapter in its
place. Enter the number of cylinders, CID, and temperature of the engine into the WHISTLER.
Then, bring the engine to TDC and the unit will display the compression ratio to the nearest tenth
of a point.
All you need is a 120V AC supply
• Works with 4, 6, or 8 cylinder engines
• Cubic inches from 6 to 600
• Engine temperature range 30 to 200 deg f
Tom Cumbow 740-503-5383
Robbin Slaughter 614-306-4343