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Not that I use this oil, but this is what Porsche is saying today.
Personally, I use Motul 300V 15w50 in my 993. Why? I autocross my 993 and Steve W. recommended it to me for how I use my car.
It's very expensive but cheap compared to an engine rebuild.
I don't know what others should use for their cars, and frankly, I don't really care.
There, I've actually participated in an Oil thread ! LOL !!
Next week, I am planning to take my car to my Porsche dealer for an oil change and to replace both filters.
What is the maximum capacity of oil with both filters replaced?
This is an easy one...lol
Not sure where you're located, but if you're around the Los Angeles area grab a 6-pack of Corona beer (yah, I know) and come on over with the oil and filters and we'll knock it out in a few hours. I am not fast, but I am cheap, thorough and a great conversationalist. Well, at least I enjoy listening to myself! .
I usually put just under 9 liters in the car and over the next couple days I'll check it and add as needed. I keep the oil at the half way mark on the dip stick.
As far as which oil brand and viscosity I'll leave that one alone.... though I use Motul 300V Competition 15W50. It is by far the best oil and the only one anyone should be using in our 993s.
Not sure where you're located, but if you're around the Los Angeles area grab a 6-pack of Corona beer (yah, I know) and come on over with the oil and filters and we'll knock it out in a few hours. I am not fast, but I am cheap, thorough and a great conversationalist. Well, at least I enjoy listening to myself! .
I usually put just under 9 liters in the car and over the next couple days I'll check it and add as needed. I keep the oil at the half way mark on the dip stick.
As far as which oil brand and viscosity I'll leave that one alone.... though I use Motul 300V Competition 15W50. It is by far the best oil and the only one anyone should be using in our 993s.
Thanks Chuck for your generous offer!! Unfortunately, I am in Philly and the ride from Philly is a little lengthy...lol.
I appreciate your tips. I have heard Motel 300V Competition 15W50 is very good oil to use.
You are welcome to come to Philly. I can pick you up at the airport and after we change the oil, I'll take you for a ride in a 442 convertible.
Last edited by Twilightblue28A; 03-21-2021 at 04:55 PM.
Now, that would be fun. 442 - Four barrel carb, 4-Speed Manual trans & is the 2 for two doors, dual exhausts or a limited-slip differential? Growing up (child of the '60s) I always thought the 2 was for two doors.
Now, that would be fun. 442 - Four barrel carb, 4-Speed Manual trans & is the 2 for two doors, dual exhausts or a limited-slip differential? Growing up (child of the '60s) I always thought the 2 was for two doors.
It changed meanings a few times. First it was for Four Barrel, Four-Speed, and Dual Exhaust. Then 400ci, Four Barrel, Dual Exhaust (because of the bigger engine, and you could get an automatic). In the 80's or 90's they used it again. Four cylinder, Four valves per cylinder, Twin (Two) cam.
When I was in High School I would drive my neighbors 68 442 convertible from San Diego to Pomona for the swap meets with him. We were usually looking for parts for his 66 912.
Now, that would be fun. 442 - Four barrel carb, 4-Speed Manual trans & is the 2 for two doors, dual exhausts or a limited-slip differential? Growing up (child of the '60s) I always thought the 2 was for two doors.
You were right! The cars do have two (2) doors........Offer still open. Fly to Philly.
What is TRULY amazing is that I paid $200 to have my oil changed in 1999 and still pay the same $200 in 2020 at quality indy shops
Hi Abiazis,
I change my own oil with rebate 10 quarts of Mobil 1 oil is about $26 the filters $20-$30, takes about 15 min. to do if one has a lift so even today I would say $200 is not a loss-leader item for a shop.
I guess like many luxury-related prices the price of Porsche servicing is market-based no cost-based.
Andy;-)
Interesting. So the fact that air cooled cars run a much larger p/w clearance than water cooled stuff wouldnt have any impact on cold viscosity choice?
Next up, you think oil actually transitions from a 5w to a 20 and then to a 50? you realize, i hope that oil doesnt get thicker as it warms and that there are different scales, hence the w for winter
Perhaps you shouldnt comment going forward about what is a misrepresentation
I never said oil gets thicker when warmer. 5w50 or 20w50 or straight SAE 50 oil are all 50 weight oils. As you said, the viscosity doesn't change and they are all the same viscosity. So who is off base? You're just further proving the point.
My comment, which you misunderstood, was in regards to the additives that provide cold start protection. If all the above oils are 50W viscosity, why would you not want the benefits that "make it act like 5W" at cold start vs "make it act like 20w" at cold start? Because Porsche said so 25 years ago when 5w50 didn't exist? Silly. It's 50W oil that offers the greatest range of protection (and costs a premium vs oils with a lower spread).
For those of you that insist on quoting the owner's manual...
Porsche specs W-40 or W-50 weight oil for temps over 50*F and W-30 or W-40 weight oil for temps under 50*F.
Do you believe 5 W-50 is thin? It's W-50 oil. It is THICKER than any (x)W-40 or (x)W-30 oil Porsche specs for our cars. Perhaps, like quadcammer, you believe 5W-50 is "too thin" for the "large tolerances" of our engines but you believe that the THINNER 20W-40 or 10W-30 somehow uses magic to not slip by these same "large tolerances". Also, perhaps like quadcammer, you're fixated on the preceding "5" that you don't realize it is not "5W" is in 5 weight. It "W-xx" that defines the actual viscosity and thickness of the oil.
0W-50 oil would be thicker than factory approved 20W-40, 10W-30, etc.
I change my own oil with rebate 10 quarts of Mobil 1 oil is about $26 the filters $20-$30, takes about 15 min. to do if one has a lift.
This is top-shelf silliness, lift or no lift. 15 minutes?
Fifteen minutes to remove the rear wheel, remove the wheel well liner, remove the rocker cover, drain the oil tank, remove the large filter, replace the large filter, remove the silicone hot air connector, remove the hardline, remove the small filter, replace the small filter, reinstall the hardline, reinstall the silicone hot air connector, remove the hot air flapper box, drain the engine case, reinstall the hot air flapper box, reinstall the rocker cover, reinstall the wheel well liner, reinstall the wheel, and finally (and agonizingly slowly), begin filling the oil tank.....
You've either never performed a complete 993 oil change, or this was your attempt at forum humor.
I've changed my 993's oil annually for 15 years and always set aside 'a few hours' for the job. Additionally, I've performed at least 20 other 993 oil changes for friends & local Rennlisters.
For those of you that insist on quoting the owner's manual...
Porsche specs W-40 or W-50 weight oil for temps over 50*F and W-30 or W-40 weight oil for temps under 50*F.
Do you believe 5 W-50 is thin? It's W-50 oil. It is THICKER than any (x)W-40 or (x)W-30 oil Porsche specs for our cars. Perhaps, like quadcammer, you believe 5W-50 is "too thin" for the "large tolerances" of our engines but you believe that the THINNER 20W-40 or 10W-30 somehow uses magic to not slip by these same "large tolerances". Also, perhaps like quadcammer, you're fixated on the preceding "5" that you don't realize it is not "5W" is in 5 weight. It "W-xx" that defines the actual viscosity and thickness of the oil.
0W-50 oil would be thicker than factory approved 20W-40, 10W-30, etc.
5 it is an indication that gives information in which temperature range the engine can be safely cranked in the cold start...for example, if the car is parked outside with minus 20 Centrigrade for all the night long, the car is sitting in the shade and in the late morning you fire up the engine with 5 degrees centigrades, I hope you are using at least a 0w maybe with some additive, because the oil is not going to be at 5 degrees centigrades, but probably still -10 or so...
This is what scares me, that's why even if I take the car in the garage, if i want to go 1 or 2 times accidentally out for dinner (not now because of the covid-19, but talking before of it), I didn't want to renounce to use the car because i am afraid of a cold start after leaving the car outside the restaurant with -2 for 4 hours or more.
In such conditions I think using a 5w50 would help the start with engine cold more than a 10w40 or higher.
In the place where I drive it is rare to have temperature of -2, usually you might have -2/-3 10 to 15 maximum times every winter, it is quite rare the temp to go below, and in those cases, I think I wouldn't use the 993, because of the risk of ice on the road, not because of the oil grade
For those of you that insist on quoting the owner's manual...
Porsche specs W-40 or W-50 weight oil for temps over 50*F and W-30 or W-40 weight oil for temps under 50*F.
Do you believe 5 W-50 is thin? It's W-50 oil. It is THICKER than any (x)W-40 or (x)W-30 oil Porsche specs for our cars. Perhaps, like quadcammer, you believe 5W-50 is "too thin" for the "large tolerances" of our engines but you believe that the THINNER 20W-40 or 10W-30 somehow uses magic to not slip by these same "large tolerances". Also, perhaps like quadcammer, you're fixated on the preceding "5" that you don't realize it is not "5W" is in 5 weight. It "W-xx" that defines the actual viscosity and thickness of the oil.
0W-50 oil would be thicker than factory approved 20W-40, 10W-30, etc.
Uh, what? Since you don't seem to be grasping, lets explain. These air cooled engines run a larger piston to wall clearance at room temperature. When you cold start a car, the first digit in the oil weight, being the 0w, 5w or 20w is the important bit. So, at cold start, a 20w anything is thicker than a 0w anything. I'm not sure how that could be disputed. And at cold temps, its a trade off being flow to bearings/valvetrain and essentially cushion for the cylinder walls. Given that most people aren't driving these cars below freezing, the flow is a non issue. Once the engine is warm, the P/W clearance is more or less normal, but you want a thicker weight to deal with potentially higher oil temps and hot spots in these motors.
So, if that wasn't clear:
The number before the w is the viscosity at zero fahrenheit. The number after the W is viscosity measured at 212 Fahrenheit. So a 0w40 will be thinner than a 5w30 at cold start, but thicker at operating temp.
Last edited by Quadcammer; 03-24-2021 at 11:18 AM.
My on going shop just changed with my normal 9.5 quarts Mobil V-Twin 20w-50 plus both filters and normal 2.5 hours plus for $280. Perfect and only uses dipstick to top off at less than 1/2 on dipstick. Long time to fully drain when oil up to normal hot temp and then long time run to bring oil up to temp for proper oil check on dipstick. 15 min is a joke!
This is top-shelf silliness, lift or no lift. 15 minutes?
Fifteen minutes to remove the rear wheel, remove the wheel well liner, remove the rocker cover, drain the oil tank, remove the large filter, replace the large filter, remove the silicone hot air connector, remove the hardline, remove the small filter, replace the small filter, reinstall the hardline, reinstall the silicone hot air connector, remove the hot air flapper box, drain the engine case, reinstall the hot air flapper box, reinstall the rocker cover, reinstall the wheel well liner, reinstall the wheel, and finally (and agonizingly slowly), begin filling the oil tank.....
You've either never performed a complete 993 oil change, or this was your attempt at forum humor.
I've changed my 993's oil annually for 15 years and always set aside 'a few hours' for the job. Additionally, I've performed at least 20 other 993 oil changes for friends & local Rennlisters.
15 minutes? I'll bring my car to you from now on.
Andreas
You obviously have never been to NASCAR and witnessed a pit stop. All tires are changed (requires jacking the car), full tank of gas, all windows are washed and the driver has a drink....with time to spare. And to be competitive, the pit stop is completed in twelve (12) seconds.
03-20-2021, 08:35 PM
