I own an 87 trooper II. I have done the oil changes on it every 3000 miles.
I will still use a quart a week if not more sometimse..There is no leaks
that I can see of. Also there is no smoke coming from the tail pipe.I am
You don't mention how many miles you have on it, but I'd assume it's over
100K, just due to age. You also don't mention whether it's a 4 or 6 cylinder
engine, but it really doesn't matter - try replacing your valve stem seals.
It's not hard to do - use compressed air to hold the valves in while you
break free the spring retainers and replace the seal cups... and I bet
you'll notice a big difference in oil usage. That is, unless you've gotton
the engine real hot and taken the tension out of the piston rings, but on a
Trooper, usually you'll blow the head gasket first.
Hope this helps.
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