What is the normal oil consumption for a turbo engine?
[Response 1:] Based on a highly non-significant sample size of 2: my friend with a 245 Turbo says that he levelled out at one quart per 2,000 miles, and that this rate of consumption remained the same from 80,000 miles until he sold the car at 150,000-plus miles. This is the same rate of consumption as my 744 Turbo with 91,000 miles, so I say that 2,000 miles per quart is healthy for a Turbo motor. [Response 2:] My 87 764T w/187k miles uses zero quarts amsoil synthetic 20W/50 in 10,000 miles, I change the oil and AMSOIL ASF-42 filter every 10,000 miles. My 90 744T w/83k miles uses zero quarts amsoil synthetic 20W/50 in 10,000 miles, I change the oil and AMSOIL ASF-42 filter every 10,000 miles. I also ran a spectrometric oil analysis comparison on wear metals using dino oil at 3,000 mile change intervals and oil samples with synthetic every 3,000 miles to the 10k oil change interval I have settled on. On my engines, the dino oil accumulated more wear metals, had lower residual alkalinit
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