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Oil Consumption

The general advice is that 911 engines burning oil is not in itself a bad sign, but I'm sure (although no doubt someone more mecanically qualified will set me straight) they weren't designed to do it.
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Oh yes they were !

All down to the configuration/cylinder coating/piston ring gap/position of head gear etc.
Porsche expect them to burn oil at a steady rate, and they should know.

Their figures are designed to be worst case, and mine on full synthetic burns only a small amount (only 120K miles, mind you, so still young - well, the car anyway).
 

ORIGINAL: highfield

I keep a regular eye on the level (hot engine at idle, oil level is between the two marks on the dip stick as per manuual) in my 86 Coupe, and have only just needed to add one litre of oil after nearly 6,000 miles.
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Mine is the same Ian, has only needed 1 litre of Mobil 1 in just over 6,000 miles, have to confess that a litre per thou would freak me out a bit.
 
Me too! 135000 miles on the clock and the oil consumption is about 1 litre in 6000 miles.
So it must be nearly run in now.
I'll be able to start putting my foot down a bit soon!
 
Hello,it's a good question.
Mine 3,2 on a 600 km non stop trip and with the engine revving between 4,000 and 4,500 rpm, managed 1 lt of good quality oil.
The weather conditions were 35 deg. of Celcius,and the A/C was continuously on
 

I'm with Phil on this one, 1/2 litre per 2000 miles or even worse, none at all between services means they just aren't being driven hard enough!!

I'd be interested to see how many miles between service the car was going to use no oil. The difference between the full and refill marks on the dip stick I believe is about 1 3/4 litres so in theory, if you were only doing one or two thousand between services it could get away without being topped up.

However, for 3000, 4000, 5000 or more miles not requiring any top up at all is quite remarkable.

PS I assume that people do use the dip stick, when the engine is fully warm and not rely to heavily on the dashboard oil level which is slightly less accurate.

The sun is going to be out this weekend so my recommendation is check the oil level, then go and put a couple of hundred or more miles on it giving it the beans (the sweet spot - 4000 - 6000) and if it still doesn't use any oil, we've waited 2000 years for another miracle but another just happened.
 

ORIGINAL: graham tompkins

Hi Guys,
Just wondering about oil consumption. Mine uses about 1/2 a litre per 2000 miles. Be interested to know what others get. I have no leaks, or smoke, and oil pressure is good. My previous car was about the same from memory.
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Hi Graham

Mine dose not use hardly any oil either.

Cheers

J.

 
Hi Guys,
Yep do drive it pretty hard....you know that when it ticks on the drive!!!!....sadly to the extent that I have cooked my brakes...see other post.
Took the callipers off this weekend and not a pretty sight...this car, unlike my previous one is a high miler and has been around the block so time for a total brake overhaul.
Rather than rebuild the calipers I am gonna go for recon exchange jobs, which while a bit more expensive is a lot less hassle than re seals etc X4. SS flexible hoses and new pads etc ...not cheap but hope will last for a few years.
Need to decide on fluid and pads.
Painted callipers topic....OMG please not yellow on a red car...mines black and red looks good as it sets off the black and silver of the wheels so will probably spray the replacements the same . My previous 911 (guards red) looked great with cleaned and polished ones.
Back on the road soon Jason! :)
 
I use mine less than 3000 miles per anum and have never needed to top up (and its not exactly dry under there...). Have used Silkolene for the past couple of years..
 
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