#4 cyl. 35psi
Moderator
Joined: Dec 2007
Posts: 7,987
Likes: 104
From: Boise, Idaho
That completely depends on what's causing it.
Have you done a wet/dry compression test?
Put a little oil in the cylinder and see if your compression goes up. If it does, you have issues with your rings. If it doesn't, you have issues with your valves. Valves would be the easier of the two options, as it may simply be that the valve isn't closing.
But, there's no way to know without first finding why it lost compression.
Have you done a wet/dry compression test?
Put a little oil in the cylinder and see if your compression goes up. If it does, you have issues with your rings. If it doesn't, you have issues with your valves. Valves would be the easier of the two options, as it may simply be that the valve isn't closing.
But, there's no way to know without first finding why it lost compression.
Thread
Thread Starter
Forum
Replies
Last Post
Ricardo Babirad
1994.5 - 1997 7.3L Power Stroke Diesel
7
Mar 9, 2016 09:12 PM
truck crazy man
1987 - 1996 F150 & Larger F-Series Trucks
17
Feb 6, 2014 07:50 PM
1977ford250
Ford Inline Six, 200, 250, 4.9L / 300
5
Nov 6, 2009 10:14 PM
TheNomad
Big Block V8 - 385 Series (6.1/370, 7.0/429, 7.5/460)
11
Jun 18, 2008 08:35 PM
