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I should have clarified. It was an early SL-2. a 1992.
All the SL's Ive seen (including the 98 Sl-1 my wife had) run forever but from 91-94 the SL-2s had valve seal problems among other things.
I ran the car mostly on the highway . Went 10,000 miles and the car was using about 1/2-3/4 of a quart every 3,000 miles (which is when I would change it).
switched to Mobil-1. by 17,000 the car was using a quart every 3,000 miles. Saturn showed me a tech bulletin that said this was normal.
They had me do an oil consumption test where they fill it, and have me come back at different mileage intervals to check the level. Still using oil.
Had the valve seals replaced. went back to dino oil. Oil consumption increased to 1 qt every 2,000 miles by 25,000 miles.
Saturn showed me a tech bulletin that said 1 qt every 2,000 was fine.
by 28,000 it was using 1 qt every 1,500 miles. Guess what, they showed me a bulletin that said THAT was ok. too. I argued that I would run out of oil before the reccomended change interval at that rate. And asked if they had printed up the "ok to use 1 qt every 1,000 miles" bulletin yet.
By the time I got them to relent, it was using a quart of oil every 1,200 miles. I drive 3,000-3,500 miles a month so it was pretty nerve wracking to add oil 2x a week.
They rebuilt the motor and it was still using a quart every 2,000- 2,500 miles.
I eventually sold the car.
As I said the 98 SL-1 my wife had was fine but we sold that car with 30,000 on it.
By comparison my 90 Accord EX with 117,000 uses about 1/2 quart of oil every 3,000-5,000 miles and I am not the original owner. The car was beat in the city by the previous owner and I now use mobil-1 in it with no problems at all. (knock on wood).
Jeff
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