4.3 compression

bauerterry

Cadet
Joined
Apr 29, 2005
Messages
17
Hey i am back, new heads on the freeze damaged motor and it runs, no leaks from the block.....the weather here in mn has not been great and the boat is not on the water yet....just for something to do i wanted to test the compression on the motor with the new heads, any ideas on what is good and bad...thanks...
 

Bondo

Moderator
Staff member
Joined
Apr 17, 2002
Messages
71,212
Re: 4.3 compression

It'll run with about Anything over 100lbs per cylinder.....<br /><br />150lbs per, or More,+ less than 10% variation between cylinders is Great...........
 

bauerterry

Cadet
Joined
Apr 29, 2005
Messages
17
Re: 4.3 compression

they were 168-175......i guess that sounds good, anyway what would a new motor show?????again thanks bondo.....
 

Bondo

Moderator
Staff member
Joined
Apr 17, 2002
Messages
71,212
Re: 4.3 compression

Probably about the Same as you got.......
 
Top