Not to due with the older trucks. But my 454 1985 1T is just loosing oil. It has a major powersteering leak (which works good on preservation) so actual location of oil leak is kind of hard.
I pulled off the valve covers to see if there was oil puddling up in there. No, small drip in rear drivers side cover. Oil pan has a small drip as well. Oil filter is clean, no drips. Other then that. I cannot locate a actual "LEAK" to match the loss of oil.
Truck blows black smoke for a breif second when started cold OR hot. We ran it for about 10 minutes, off about 30 and when we restarted it, was black smoke. But not under a load. (or at least that I can tell going down road)
Tail pipe looks like a fireplace chimmney. It is smutted with black. Not wet, like powder.
Truck has been known to use oil (after all its a 454) but it was sitting since last use (roughly 1 month) and it was bone dry. We only had 3 qts and put it in, filled it up to about 1/2 on the dip stick. We filled it up at the nearest store that carried oil (roughly 20 miles away) We drove it roughly 40 miles (under a load) And back home. Total trip, about 60 miles. Truck was 1 1/2 qt's low. So it is using/burning oil.
Got any ideas? :confused:


Chey
LOST1953
My favorite color is CHROME
The ugliest trucks are driven by the prettiest girls wink
I dont suffer from insanity, I enjoy it!
O Lord, WHY did I buy another "Thing"? (again??)
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1953 Chevy 3800 1-ton Gallery
More photos at MSN
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