Ford Power Stroke Nation banner

1 - 6 of 6 Posts

·
Registered
Joined
·
26 Posts
Discussion Starter · #1 · (Edited)
Can You Do A Compresson Test Thur the Glow Plug 01 7.3

Can you get a good Copresson Test thru taking out the Glow Plugs on a 01 7.3? What is the Thread Size to screw the Adaptor for the Gauage to connect into the Glow Plug Hole? HELP PLEASE, THANKS
 

·
Registered
Joined
·
561 Posts
Only real way. Never seen an elaborate fitting for the injector hole, plus you'd make a mess with the oil and diesel.

Get an M10x1.0 O-Ring boss male to 1/8"NPT female adaptor. Thread in a 12" grease gun whip. On the other end, a 1/8" NPT barrel connector (female both ends)
If you don't have a diesel compression tester, get Harbor Freight's cheap one. It'll have a small 1/8"NPT adapter you can thread into your newly made adapter.

And yes, it needs to be a whip. A solid one will hit the rocker arm.
 

·
Registered
Joined
·
158 Posts
Glow plug hole is where you screw you CT fitting into. I just did a compression test on my 1500 truck today. I had 1 low hole(150lbs) Remove all your GP's before you do this test. As stated above: you must have a whip fitting.
 

·
All done now
Joined
·
22,483 Posts
Nope, glow plug hole is M10X1 o-ring boss. Other end of adapter needs to be 1/8th NPT to attach to the 12# grease gun whip.
 
1 - 6 of 6 Posts
Top