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Oil usage

G

**Gareth**

New member
I picked up my new 944 S2 10 days ago and have covered roughly about 250 miles since, The oil level was at the top mark when i took collection of the car. Today i rechecked the oil level and it was half way down the dipstick. I appriciate the car is nearly 20 years old and is a 3.0 16v but is this normal or is it something to worry about??
Ther is no smoke being emitted from the exhaust whatsoever and the oil pressure gauge is reading good. Any help aprreciated
 
5W synthetic? Half way equates to 750mm, which isnt fantastic, and its above Porsche's own generous allowances. Try thicker oil and itll probably improve. Id go straight for a decent 20W-40/50 and monitor the situation closely.
 
Hmmm. My S2 seemed to use a lot of oil when I bought it. In truth, the usage has varied quite considerably, but has dropped since I started using it regularly.

Grade of oil is a good question. Usage is another one. Hot and sitting in traffic for hours seems to be consumptive on mine. The other point to make is that the dipstick is not linear. Yes, there is 1.5 litres between min and max (or so the handbook says), although the top 1/2 is less than 750ml in my experience.

Fill it up to the top. (Cold. On a level surface.) And monitor it closely, as Simon said. (Cold, on a level surface again). Oh and don't believe the 'Low Oil Level Warning' light - mine comes on when it is about 1/3 down.


Oli.
 
Oh and don't believe the 'Low Oil Level Warning' light - mine comes on when it is about 1/3 down.
Click to expand...

I found that one out on my new S2. Caused a little panic......[:eek:]

1 Lt in about 1200 miles, largely testing the new performance [;)], for me. A lot more than the Lux, but I was expecting about this from previous posts.
 
Before you worry too much, are you positive that both readings were taken on a level surface with a cold engine? The dipstick measure is VERY sensitive to gradient and a slight slope can make a big difference. My own S2 on 10w40 oil and 190k miles does not need topping up between its 6k oil changes, but as it gets older it is starting to creep down the dipstick a little between changes
 
Strange, i'm sure in my car it takes 1ltr exactly between min and max marks on the dipstick, oh well, must pay attention next time. Anyway, not sure about the S2 but the turbo handbook says to expect an oil consumption rate of upto 1ltr 1500km i.e. 932miles, so it seems yours might be a bit high.

I guess the first thing to establish is if you have any leaks.
 
My manuals (including a couple which specifically cover the 951) state 1.5 litres per 1000 kilometres / 620 miles mostly. I do have a manual which states that theres one liter (sic) or one US quart between top and bottom on the dipstick too...
[:D]
 
I run my tweaked turbo (approx 300 bhp) on Catrol Magnatec 10/40 and it never uses a drop ! remember the engine designis about 20 years old and the fancy oils were not really used then, a good quality semi synthetic with a higher viscosity should help out.
As an aside my Alpina gulps about 1 litre of fancy Castrol TWS every 800 miles at about £15 a litre it does not leak nor burn it, in fact i am changing the oil catch/breather tank tomorrow to get it up a little.
Alpina say that 1000 miles per litre is fine.
 
Mobile 1 15w50 motorsport in my 2.7 Lux and I dont seem to loose a drop - thats on daily drives in traffic and fast sprints also..

Mind you as I think has been said - I only have 8 valve seals to worry about...
 
ORIGINAL: 944 man

My manuals (including a couple which specifically cover the 951) state 1.5 litres per 1000 kilometres / 620 miles mostly. I do have a manual which states that theres one liter (sic) or one US quart between top and bottom on the dipstick too...
[:D]
Click to expand...

Maybe i'm getting my number mixed up, it's a while since i've referred to the manual for anything other than oil viscosity's!! (lets not go there again).
 
Interesting ... I know that there is meant to be 1.5L between MAX and MIN on the dipstick, but I always thought that it felt like less than that. I recall on one occasion filling from nearly MIN to MAX, from a 1L refill bottle I keep in the boot, and the bottle should have been emptied. It wasn't ....

(McNulters - I had a very similar scare when I first bought my S2. Took it home to see my folks, and my dad was all set to drive it - he made it to 70 years old without driving a Porsche. He hopped in, and the Oil Level Warning light lit up when he started it! Very embarassing ... and ensued a quick trip to a local motor factors in his MX5 to buy some more! Once I checked the dipstick properly I realised that things were nowhere near as bad as they appeared!)


Oli.
 
My previous 944T used about a litre per 1000miles, but the current one uses no oil. I have monitored the level from 2k to 5k miles in amazement. Just awaiting delivery of the Silkolene Oil recommended for the engine, 15w-50.
As many of you will know the Block and Turbo are blueprinted and unique ('80s update 20yrs) by Perfectbore and SPS. I dont think I could get used to Oil top-up on windy days again.[8|]
FYI, my car has crankcase vacuum which is generally an advantage I understand. (In terms of Oil useage and windage below the pistons, but not Octane level)
Having said all that my previous car did 50k miles and used 50 litres of topup in the process, but the engine was fine, no smoke or running problems. I consider it would do another 50k miles easily and would not worry about oil useage.

George
944t
964

 
I run 5W synthetic in mine and contrary to popular belief concerning these oils the engine does not leak and uses nearly zero oil.

So there..[:)]

Edd
 
The Pro-S that Ive been using (in my old series one track car) is actually 5W and not 10W, as Id stated before: and it uses nothing at all, even when thrapped. That said; a lot of newer cars dont fare as well on it when theyve got a few miles on the clock...
 

ORIGINAL: 944 man

The Pro-S that Ive been using (in my old series one track car) is actually 5W and not 10W, as Id stated before: and it uses nothing at all, even when thrapped.  That said; a lot of newer cars dont fare as well on it when theyve got a few miles on the clock...
Click to expand...

Is that Silkolene Pro-S? I've heard good things about this oil, not used it but may try some next time. An ester based oil apparently.

Edd
 
I found the oil consumpsion of my S2 VERY alarming when I got it but having recently been reunited with the service history, I found last time it was serviced the sump was filled with 0-40 fully synthetic. I have now drained and changed for a decent 10-40 semi synthetic, it's early days but already I think the oil consumpsion has calmed down.
 
Porsche do not recommend 0w-40 in these engines, they do however suggest 5w-40 synthetic for year round use in my 1988 manual.

But I think we have been there before[:)].

Edd
 
I'm running mine on 15W40 Semi synthetic. It uses around 1/2 a litre between 2000 miles.
 
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