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COMPRESSION TEST 850

I would agree with 'db'. Unless the compression is uneven from cyl to cyl or the oil consumption is very high (much more than 1 quart/1000 miles), there is no need to do anything. I did not measure compression but on 3 Volvos, the oil usage started to go up around 170K, 150K and 120K. In our hands the first had quite a bit more suburb/highway driving than the later 2. On the later 2 we put on lots of city miles and short trips. The first 2 suffered sudden death at about 220K and 195K but were reliable in daily use until then. 3rd one is still being driven.






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