I am using Mobil 1 at the moment does consumption alter with type of oil? Seems Castrol RS 10W 60 is popular and expensive
Originally Posted by velocity
as per frog above
the owners handbook states that you can expect to consume up to one liter of oil per in either 620 or 720 miles depending on driving style.
this may seem huge when compaired to modern and normal average cars which cosworths are not,
the milage is mid life on your car and the previous owner may have driven it very easy for a long time which is something cosworths are not designed for.
my engine was the same from 55000 to 130000 miles when i rebuilt it.
with a little sign of exhaust smoke now and then and always under heavy accel.
your problem is something that the vast majority of cosworth owners experience all the time but it is not actually a problem unless you run out of oil
and on a final note dont use 0 w anything oil in a cosworth engine use the recomended viscosity.