what type of shell oil was my factory fill?

[Planter91C2]

i have the shell factory fill sticker in the engine bay. what type of shell oil was it? what viscosity? can i buy it anywhere? a search turned up nothing.

[Bill Verburg]

Dunno? As of Aug. '92 the factory fill was Shell Helix Ultra 5W-40 synthetic which is currently rated SL/CF(back then the rating was SG/CD). Rotella T Synthetic is the latest equivalent currently rated SL/CH. Before that they probably used the dino equivalent. After that they reached a marketing agreement w/ Mobil so factory fills have been Mobil 1

The main criteria beside weight is the S* rating. For a 91 SG or better is needed.

Mobil 1 15W-50 works just as well.

[ChrisL]

My guess is that the factory fill is more of a marketing thing than a performance thing. They probably get a sweet deal on the oil as long as the sticker is there.

Chris.

[KTL]

Go to your local Shell gas station..............

I'm sure that $0.89/qt. stuff is just what the doctor ordered for your C2.

If you can't stomach the Mobil 1 cost, Castrol & Valvoline dino 20W50 will do you just fine

[Rick Lee]

I have the Shell decal on my '96 993! I thought they were using Mobil 1 by then. I think I may actually buy a Mobil 1 decal to put on there when I switch from Castrol Syntec to M1 next weekend.

[Bill Verburg]

I think that the change to M1 occured at or after the end of the '96 production run. If you recall '97 was the year of the famous Mobil sponsored GT1

[KTL]

Warsteiner and Mobil 1...................

Now those are two outstanding sponsors!!!

[Rick Lee]

Kevin, I couldn't agree more. Both those products can be found in my kitchen on any given day.

[Doug Zielke]

Originally posted by ChrisL
My guess is that the factory fill is more of a marketing thing than a performance thing. They probably get a sweet deal on the oil as long as the sticker is there.

Chris.

Indeed!
My Ducatis have Agip oil stickers on the motors. Mobil 1 works just fine for them, thank you!