The owners manual recomends that during the initial ownership period you check the oil every 500km or "whenever you fill up with fuel" (which is pretty stupid as the reading will be artificially low due to slow drainback). So in 3100km you probably should have checked your oil 3 or 4 times. Did it only drop the 1 litre in the last 1000km or has it been gradual over the 3100km?
Oil usage isn't unusual during break-in & on cars like these, break-in is anywhere between 5,000-15,000km. Subarus, Alfas & a few others are just as drawn out.
Re: LS1s. Wasn't one of Holdens "fixes" to change the markings on the dipstick & increase the refill capacity from 5L to 6L? I believe this then caused some windage issues which dropped HP & increased fuel consumption. They also advised owners to "give the car a bit more right foot" during the first 5000km.
Oil usage isn't unusual during break-in & on cars like these, break-in is anywhere between 5,000-15,000km. Subarus, Alfas & a few others are just as drawn out.
Re: LS1s. Wasn't one of Holdens "fixes" to change the markings on the dipstick & increase the refill capacity from 5L to 6L? I believe this then caused some windage issues which dropped HP & increased fuel consumption. They also advised owners to "give the car a bit more right foot" during the first 5000km.
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