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Synthetic gearbox oil for 944 turo

Edd,

I suspect that we'll just have to agree to differ, although I suspect that we aren't differing by much. Read my post; my strong recommendation is that you should use whatever oil is sufficient for the task in hand. Quantifying this 'sufficiency' is impossible; you choose to estimate on the high side (and comment that you are overspeccing things), which I have no problem with. I happen to think it's overkill for reasons explained in my post.

Phrases like "Skimp" are pejorative and have no place in the discussion; using oil of the specification given by the manufacturer is no more "Skimping" than using OE-spec brakes or gaskets or spark plugs or filters. That £600 radiator you had fitted a while back - did you "Skimp" on that? No, I didn't think so. I know that the oil I use is definitely good enough as it exceeds the specifications given by the people who made the engine. If you are going to ignore those specifications then where do you draw the line? Or are you simply going to buy the most esoteric, expensive (snake-)oil someone can offer you because "It's the best"? If that's your game then don't let me stand in the way, but the real world doesn't work like that; compromise is necessary if you have finite resources and other things to spend your money on.

You are more than welcome to borrow my copy of Ludema, although you'll be disappointed to find that it doesn't have a section dealing specifically with putting modern oils in older engines; textbooks rarely work like that. However you will find some excellent explanations of the principles behind material contact and associated tribology, as well as more than enough maths to send you to sleep many times over. Let me dig it out and you can drop by and collect it.


Oli.
 
No 944s were supplied with synthetic oil. The 944s sold in 1992 were built in 1991, or in somes cases 1990! I dont disagree with anything that Edd says about oil, although I do strongly disagree witrh the position that he took initially (years ago, referring to the handbook and 'fuel efficiency' oils), but he knows an awful lot more now! [:D]

Owners have to accept that newer grades suit some cars well, but do not suit other cars at all. I own a 2.7l car with a full service history and a shade over 100,000 miles. Fill that with 5W- and itll use it as fast as petrol, and this is the same engine that is fitted to S2s! Other similarly equipped cars find that this oil suits them well. From memory Porsche revised their recommendation in later manuals, so even they werent absolutely sure at the time.
 
ORIGINAL: bighead

why buy a rolex watch for ££££ when you can have a seconda for pennies [:D]
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Well, you know, you don't want to skimp on telling the time, do you? [;)]


Oli.
 
All I will say is that my own box (not the one lent to me by Barry Hart) had Swepco in it which was a bit old (3 years but not much track time). When Kev put it back together I gave him a pack of the latest Millers. The first time it was driven was by myself at Mallory last year, the first couple or 3 shifts were a bit stiff but after lap 1 the shift was as slick and quick as a slick thing can be. 100% the Millers box oil is the best thing since sliced bread IMHO.
 

ORIGINAL: Neil Haughey

All I will say is that my own box (not the one lent to me by Barry Hart) had Swepco in it which was a bit old (3 years but not much track time). When Kev put it back together I gave him a pack of the latest Millers. The first time it was driven was by myself at Mallory last year, the first couple or 3 shifts were a bit stiff but after lap 1 the shift was as slick and quick as a slick thing can be. 100% the Millers box oil is the best thing since sliced bread IMHO.
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Not wanting to state the obvious, but that's simply saying that one expensive oil that's new gives better gearshifts than another expensive oil that's three years old, isn't it?


Oli.
 
Pretty sure I was using mobil 1 in 88 or 89 it certainly worked better than anything else I tried in my minis at the time - recommended to me by a mini racer,
Tony

(in fact definitely, it was my red 1275gt which was before my TR7, minivan and yellow 1380 mini)
 
When I had my S2 I put Swepco in it, made a huge difference - quieter as well as smoother - got mine from Berlyn Services
 
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