aaddpp

I did a search for the type of oil grade that is best to use with my type of driving conditions but I seem to have come up short.

I expect that most of the time, it will be between 60 and 95 Fahrenheit. I doubt I will drive much (if at all) during the winter due to the accumulation of salt residue on the road here in the Northeast during the winter. Even still, the car will be parked in a garage that will be about 50 degrees.

Any thoughts on what grade / oil weight to use?

Thanks,
Dave

Lopez

andy-gts

mobil or amsoil 15-50

Landseer

^^^Works here, too.^^^

borland

I recommend you take a look at the owner's manual. It provides the specifications that Porsche recommends for your car and climate conditions.

hacker-pschorr

Beware synthetic oil

Beware of synthetic oil, it can do terrible things to you and your beloved motorcycle. It will not only leak out of your engine faster than you can put it in, but it will also cause your oil filter to clog and implode, dumping debris and dirt into your lubrication system. It also will make every part of your bike permanently slippery because of its linear molecular chain dispersion action. Then it will leak onto your kickstand causing it to retract automatically, dropping your bike on the ground! But that's not all...

Synthetic oil will round off your gears and spin your bearings. It will also splatter onto your seat causing your girlfriend to fall off in the apex of a turn and she'll never ride with you again. Synthetic oil coats your sight window and your timing window with a whitish pro-emulsification additive that is both non-removable and highly corrosive. Synthetic oil will completely leak onto the ground overnight and your dog will drink it and die.

Synthetic oil will wear out your tires and make your battery leak. It will give you the desperate need to urinate after you put your full leathers on and then jam your zippers shut. It will contaminate your gasoline causing your bike to stall on railroad tracks and accelerate uncontrollably near police cars. It will make it rain during rallies and on weekends. It will lubricate four timing belts causing them to jump teeth and break your valves to bits. Synthetic oil chemically weakens desmodromic valves and causes the clearances to change every six miles. Then it melts the black soles of your riding boots night before you walk across your new carpeting.

While riding past groups of attractive women it will cause both of your handlebar grips to slip off at the same time so you smash your windscreen with the bridge of your nose. It also causes your swingarm to crack, your studs to break, and your rotors to warp, and then it voids your warranty by changing your odometer reading to 55,555. It also dries out your wetclutch and wets your dryclutch. It makes your clutch slave cylinder seal fail in the heaviest traffic on the hottest day of the year while putting an angry wasp in your helmet for good measure.

Synthetic oil hides your 13mm socket and puts superglue on your earplugs. Synthetic oil will scratch your faceshield and make your gloves shrink two sizes night before trackday. Synthetic oil stole your neutral and sold it to the Chinese for $1.25. Synthetic oil will make you grow a tail. Synthetic oil will write long crazy e-mails to your Internet friends and then sign your name at the bottom!

Landseer

^^^But I might need to rethink it.

IcemanG17

it all depends on your driving style.......if you don't drive all that hard.....then just about any oil will work fine..... If you drive "harder" and spend more time at full throttle and high RPM then you need something a bit better......synthetic in 15-50 or 20-50 is a good choice.....I run Amsoil in all my 928's....with great success......18 hours on track with perfect results....doesn't even have an oil cooler!

Redline or Royal Purple are also very good.....

Bill Ball

Oh, God, here we go. At least you didn't ask for brand recommendations.

Anyway, as to weight and grade. Use multi-visocisty somewhere between 5 to 15 cold weight and 40 to 50 hot. Service level SL or SM as long as not labeled "Energy Conserving". Personally, I have used Mobil 1 15-50 almost exclusively. And with 217K miles on my untouched motor (other than adding the supercharger years ago) that still runs like new, I'm sticking to it. Oh, and I change the oil once a year or every 15K miles as Porsche recommends.

john bono

So what is the best brand of oil to use?

Maleficio

Amsoil with extra zinc formula.

aaddpp

No brand advice needed - that was covered EXTENSIVELY in a recent thread I believe :-)

I was really just trying to sort out that page in the owners manual which lists numerous grades per temp range. Also, I don't have the manual handy (traveling), and I want to place an order for some oil.

Much appreciated all.

Mike Simard

Shouldn't we ideally be using 'single' viscosity oil and changing it at spring and fall with temperature appropriate viscocities?

Bill Ball

Where's Doug when you need him?

anonymousagain

LOL, this is on the dicey edge of the Mobil 1 vs- Amsoil argument...said argument should defer to Hacker's assessment.

Bill, perfect PC answer to weight and grade. Within these guidelines, brand will always vary.