High oil use
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New User
Joined: Dec 2003
Posts: 9
Likes: 0
From: Anywhere USA
High oil use
Hello,
I have a friend that has a '88-89 F250 auto 460. It runs great, compression test is great, nothing looks abnormal, plugs look OK. They are all the same.
It uses about 1 qt of oil every 100 miles or so.
At times you can see a slight bit of white smoke out the back but very slight.
He bought it used and it has always been like this since he has owned it.
Any thoughts where to start?
Thanks Jim
I have a friend that has a '88-89 F250 auto 460. It runs great, compression test is great, nothing looks abnormal, plugs look OK. They are all the same.
It uses about 1 qt of oil every 100 miles or so.
At times you can see a slight bit of white smoke out the back but very slight.
He bought it used and it has always been like this since he has owned it.
Any thoughts where to start?
Thanks Jim
Cargo Master
Joined: May 2001
Posts: 3,208
Likes: 13
I had the exact same problem but mine would use a qt. every 60 miles. And it only smoked when you shifted. It did finally foul a plug come to find out cly 4 was using a lot and number 2 was using some. Compression was good plenty of power. Had to rebuilt engine to fix. It would not leave a puddle of oil nowhere and the bottom of engine was dry. These old big blocks and burn a lot of oil and not smoke much
Fleet Mechanic
Joined: Mar 2004
Posts: 1,398
Likes: 17
From: Hesperia, CA
I had one doing this and it turned out to be the intake valve seals. hardly any smoke and about 200 miles per quart. I have to agree with wtroger about the big blocks using a lot of oil with little smoke. The valve seals are very easy to change so I would make that my first priority.
