460 drinks oil
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Fleet Mechanic
Joined: Feb 2003
Posts: 1,314
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460 drinks oil
It is a low-mileage engine, under 50K miles.
It uses about 1qt per 800 miles. Basically drinks it.
The last time I used Castrol GTX 10/30.
Before the winter, I plan to use Chevron Delo 15/45 and 1qt of Mobil 1, probably 10/30 weight.
Any suggestions aside from using a straight 40 weight in the summer?
It uses about 1qt per 800 miles. Basically drinks it.
The last time I used Castrol GTX 10/30.
Before the winter, I plan to use Chevron Delo 15/45 and 1qt of Mobil 1, probably 10/30 weight.
Any suggestions aside from using a straight 40 weight in the summer?
Elder User
Joined: Jan 2004
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From: houston
Why not fix what is wrong with it before you worry about what oil to use. You didn't say how old the engine was. First, I'd run a DRY the a WET compression test to check the rings. If that shows no problems and the ol pressure is good, I'd replace the valve stem seals. This can be done w/o removing the heads. I mentioned oil pressure because excessive loss of oil past the bearings can flood the cylinder walls to the point that even good rings can't control the oil and it will get into the combustion chamber. Good luck.
Senior User
Joined: Jun 2003
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I would not mix the oil .
I would though treat it like a keeper since it has low miles and mucho life yet and run a proper grade oil for the season and keep it topped off .
Straight 40wt ? The oil makers recommend no lower than 60F ambient for that stuff
I would though treat it like a keeper since it has low miles and mucho life yet and run a proper grade oil for the season and keep it topped off .
Straight 40wt ? The oil makers recommend no lower than 60F ambient for that stuff
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Joined: Feb 2004
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From: Central IN
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Fleet Mechanic
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No leaks. I will re-check PCV valve.
I keep hearing stories of 460s burning oil from day one... Would be interesting to see what delo 400 does (15/40 weight)
I keep hearing stories of 460s burning oil from day one... Would be interesting to see what delo 400 does (15/40 weight)
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Originally Posted by carpe_diem
No leaks. I will re-check PCV valve.
I keep hearing stories of 460s burning oil from day one... Would be interesting to see what delo 400 does (15/40 weight)
I keep hearing stories of 460s burning oil from day one... Would be interesting to see what delo 400 does (15/40 weight)
Post Fiend
Joined: Mar 2003
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From: Sarnia, Ontario, CANADA!
My dad has a 1988 F Super-Duty at work that has a 460 in it. It uses 1-2 quarts of oil PER DAY! We only drive about 50 kilometres MAX. I think ours drinks it more than yours does. We call the truck "Smokey!" 
-Matt
-Matt
Posting Guru
Joined: Dec 2003
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From: Centerville, Iowa
I had some lady talking to me at work..and her and her husband had to keep a DRUM of oil in the back of her chevy. It went through roughly a gallon an hour, AN HOUR. If they tried to drive anywhere more then a few minutes around, he'd have to periodically get out and transfer oil back in the engine. Sounds a bit excessive, but she was adamant. It'd be cheaper to rebuild an engine that bad! You'd HAVE to use Supertech oil with that thing lolol.
