It is under the engine cover(hood)on the drivers side near the firewall. Normally has a black screw on cover with a float attached. Be very careful adding DOT 3 fluid because it will remove paint! The same container is used for the clutch and if the fluid gets too low, you will lose your clutch.
From a photo of Porche's ad for the 1983 944: "2.5 liters, 143 hp". It was a 4-cylinder engine.
1983. before that it was the 924. 944 improved design was more appealing. body style was changed as well.
the lifespan of any engine will totally depend on how much you look after it. theoretically it can last for decades and decades.
automatic tranny fluid
944mL is 32 (31.9204) US fluid ounces.
3.5% of 944= 3.5% * 944= 0.035 * 944= 33.04
1888
30,850 for the 944 s and slightly less for a stock 944
944% of 350 = 3304
944
37/944 = 3.9195%
0.0169