924Board.org

Roger · Joined: 06 Jan 2003 Posts: 1235 Location: Cordova, TN

I would like to see my drain plug and the condition of the oil more than every 15000 miles. Plus I am a bit skeptical of the 15000 mile claims. I guess old habbits are hard to break.
_________________
1981 924 NA

Some people are like Slinkies. Not really good for anything, but you
still can't help but smile when you see one tumble down the stairs.

ideola · Joined: 01 Oct 2004 Posts: 15550 Location: Spring Lake MI

My BMW dealer refused to change my oil more frequently. Insisted that the computer in the car would tell me when to get it done. I have 102000 miles on the car (2001 model year), and I've only done 6 oil changes (due for one in another 8000 miles...I've averaged 17000 between changes based on when the computer says it needs it). The car drives like the day I bought it. That sold me 100% on Castrol.

Some people like to change their oil. No prob. But I am a believer in the 15000 mile claim. Like I said, if it makes you nervous, the real part to worry about is the filter, not the oil itself. Of course, conditions may vary as well...if you live on or drive frequently on dirt roads, the interval should be sooner no matter what oil you use.
_________________
erstwhile owner of just about every 924 variant ever made

timstar92404 · Joined: 22 Sep 2004 Posts: 2075 Location: richmond BC

I guess I'll try the mobil-1 synthetic just hope it doesn't leak.

changine oil every 15k sounds nice.
_________________
78 924 sold.
85.5 944

Lizard · Posted: Thu Apr 21, 2005 5:08 pm Post subject:

synthetic will cause your engine to leak tim DONT USE IT
_________________
3 928s,

timstar92404 · Joined: 22 Sep 2004 Posts: 2075 Location: richmond BC

ok i'm getting confused.

so synthetic will leak for sure.

my engine is definately high milliage have no clue what the actual miles are.

I guess I'll just use castrol 20 w 50
_________________
78 924 sold.
85.5 944

Khal · Posted: Thu Apr 21, 2005 6:11 pm Post subject:

I have to agree with Lizard, don't chance it.

Besides, Mobil 1 is expensive and you don't need it!

And just get regular spark plugs. They'll be fine. Unobtainium plugs (and synthetic oil) probably didn't even exist when the car was made and they worked just fine without 'em

_________________
'80 924 Turbo

Raceboy · Joined: 01 Mar 2004 Posts: 2327 Location: Estonia, Europe

And changing oil in every 15K miles will not have a good effect on your Porsche. 924 needs to have an oil change in every 10 000km.
_________________
'83 924 2.6 16v Turbo, 470hp
'67 911 2.4S hotrod
'90 944 S2 Cabriolet
'78 924 Carrera GT replica
'84 928 S, sold
'91 944 S2, sold
'82 924S/931 "Gulf", sold

'84 924, turbocharged, sold.
http://www.facebook.com/vemsporsche

ideola · Joined: 01 Oct 2004 Posts: 15550 Location: Spring Lake MI

Lizard · Posted: Fri Apr 22, 2005 1:48 am Post subject:

ok from my experiences with oil, I run synthetic in my car, and I had no issues for about 6 months, and then after the second oil change I had the seals start to leak, so I wouldnt bother risking it et al,
and yes Dan they do make improvements all the time, however some things are unneeded, I would recommend that you use synthetic oil in these engines, IF and only if you are willing to be ready to in 6 months to a year pull the engine and replace the rear main, oil pump seal, cam seal, oil pan gasket, valve cover gasket, and distributor housing gasket, all of which I KNOW tim would NOT be able to do, and then he has a car that leaks ALOT of oil his parents will be upset with the leaks, he will be having to add a litre less than every 1000 miles, and at $7.49 a litre up here that adds up quick,
and the last thing I heard from Porsche is that there oil change itrevals are 12 months or 12,000 miles, whichever comes first, that is running on Mobil 1
_________________
3 928s,

ideola · Joined: 01 Oct 2004 Posts: 15550 Location: Spring Lake MI

The operative acronym here is YMMV. I've been running synthetic for almost a year in the 81 and no issues yet. Who knows. But Lizard makes some really good points, especially specific to Tim's situation.

I wanted to plug in my $.02, though, because somebody else might come across this thread, and shouldn't assume that because dino is best for Tim, that these cars should only run dino oil, etc.

Tim, just be done with it and run dino oil. Get yourself a couple of jack stands so you can change your own oil safely, or better yet, save the cash and do what Mark said, have your local jiffy lube or whatever do it for you.
_________________
erstwhile owner of just about every 924 variant ever made

Ghostcloak · Joined: 15 Mar 2005 Posts: 42

I do the oil changes in all the family cars (we've got 3 12yr old cars in the family). I don't know if its just me or what, but I always change the oil filter along with each oil change (every 3,000 miles). I always use 5W30 (especially in the summer here in NC, gets pretty hot...) Castrol Full Synthetic and buy Pure One oil filters. I have used other oil filters in the past, but with my experience I can say you will notice that Pure One is one of the best (oil isn't as dirty upon oilchange) brand in oil filters ( though also one of the most expensive). I don't know what Porsche recommends as far as oil grade, but I do know that Castrol Synthetic is really good stuff.
_________________
1993 Ford Probe SE
(FOR SALE!)
1987 924S (Purchase Pending!)

Ghostcloak · Joined: 15 Mar 2005 Posts: 42

Oh yeah... I prefer not to goto jiffy lube or any other place to get oil changed. Its not that hard of a job to do yourself, you can do it for cheaper, and do it using better quality oil. I have a friend that works at Midas and another at Jiffy Lube. Guy at Midas says they just use the cheap autozone brand oil. My friend at Jiffy Lube says they used to get huge drums of recycled oil, but now they just get a generic recycle brand oil. You can take your own oil to a jiffy lube and they'd be more than happy to use that instead of their oil at no extra charge. Generally, I'd say that recycled oil is only good for 2,000 miles, definately no more than 2,500. Its just poor quality. Common, spoil your porsche a little

Get the good stuff

_________________
1993 Ford Probe SE
(FOR SALE!)
1987 924S (Purchase Pending!)

My924gtc · Joined: 14 Aug 2004 Posts: 1362 Location: 248

Khal · Posted: Fri Apr 22, 2005 8:54 am Post subject:

Mike924 · Joined: 12 Aug 2004 Posts: 2601 Location: IoW UK

There is an interesting graph in the 924 owners manual which shows a variety of reccommended engine oils and the temperature range over which they each work. You simply select the weight of oil that best covers the normal temperature range in your area.

For the sunny Isle of Wight, where it only occasionally freezes in winter, I came to the conclusion that a 15-50 was best.

I can't post pictures, but I can e-mail an extract to anyone who's interested.

As to my opinion (everybody has one, remember...) on synthetic oil: it's good, but just not good enough, compared with 'standard' oil, to warrant the high price.
_________________
1985 Porsche 924 'Lux', Kalahari Beige (my ex)
1993 Porsche 968 Coupe, Midnight Blue, 6 spd

'There is no substitute for a little grease under your fingernails.' - Chrenan, 924board.org