1955 ford. help!!!
Thread Starter
|
Junior Member
Joined: Feb 2008
Posts: 3
Likes: 0
1955 ford. help!!!
i have an 1955 ford f-100 with a 239 y-block and i need to know what is the normal compression in the cylinders (psi). right now they are around anywhere from 55psi to 70psi. does anybody know what it should be?
Senior Member
Joined: May 1999
Posts: 2,477
Likes: 0
From: Copley, Ohio
I don't know about the y-block specifically but those numbers are very, very low. Even with a late 50s low compression engine I'd expect numbers on the order of 110 PSI or more if it were in good condition.