Winter Rebuild

Leak Down testers are designed for checking leakage on engine cylinders. Also are ideal for leaking barrel valves on fuel injection   Leakdown Tester
Engine Cylinder Leakdown:

1) For most accurate results, engine should be up to operating temperature.

2) Remove all spark plugs.

3) Rotate crankshaft until piston being tested is at top dead center of compression stroke.

4) Screw the spark plug adaptor hose into spark plug hole making the sure the o-ring is seated properly.

5) Connect leakdown tester to a good source of compressed air, preferably a filtered and water trapped source.

6) Adjust the regulator on the leakdown tester so the the LEFT HAND GAUGE indicates 100 pounds.

7) Connect the spark plug adaptor hose to the coupler of the leakdown tester.

8) Read the leak down percentage on the RIGHT HAND GAUGE.




Bottom Border

Toll Free: 800/576-7661
"Our Ultimate Goal is Your Success"
Good Vibrations has Been Empowering Racers Since 1989

Search | Site Map | Performance Products | Pre-Owned Parts | Technical | Photo Gallery | Special Events | Contact Us

We STOCK the following performance race products: Aeromotive, Billet Connection, The Blower Shop (TBS), Control Cable, Deist Safety, DJ Safety, Enderle Fuel Injection, FAST-EFI, FIE, IMI Hi-Torque, JAZ Products, JESEL, Lucas Oil, Mallory Ignition, Milodon, Prolong, RCD Engineering, RePlay, SCE Gaskets, Smiley Headers, System 1 Filters, Total Seal Rings, Wilwood and XRP Plumbing.  

Building a better world for children

Wish to join the Good Vibrations World Vision team? Click here