Quote Originally Posted by Good Wrench View Post
Compression on no 1 is 138
Compression on no 3 is 140.
I checked twice.
And there lays the problem. If the other cylinders are 165 as you said in your earlier post, then you have a blown head gasket between #1 & #3 cylinders. Remove the head, change the gasket, button it up and be done. And be sure to re-torqe the heads this time around...