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camo's Avatar
 
Join Date: Feb 2011
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Oil change

Hey guys. How's everyone's winter been so far? I got a few pics I'll show later of my car with 6-8 inches of snow on it!

So, I recently realized it's been a while since my oil has been changed. It actually hasn't been done since I've been driving it, so maybe 2 years. Though I've only put a few hundred miles on it, I decided to do it next week. Now, with school and everything I don't have time to learn how to do it right now, though I'm sure it's pretty easy. I'm going to have it done at Firestone. But they charge $90 unless I provide my own filter. They're $10 here, but I would never receive it by Tuesday. I checked amazon because I'd receive it on Monday if I order today. My first question is: will this filter work? http://www.amazon.com/gp/aw/d/B000CB6D9Y?cache=0d6b23f4e10301010f44c42f97401b8e&pi=SY200_QL40#ref=mp_s_a_1_1&qid=1391119046&sr=8-1
I found that when searching amazon for 928 filters, and since I'm dumb I don't know how to tell
If that filter isn't right, I might just drive my parents car to school until I receive the one from pelicalparts
Second question: what oil do you use? Or should I just let Firestone put whatever they want in it?

I find lots of conflicting info when I look in forums for this.

Thanks guys!

Edit: oh, and how often do you guys change your oil?

Edit: I just realized the compatibility list shows all the 928s,so I guess it's right. Is mahle any better? I notice that Mann is sold on Pelican parts as well.

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"Weissach" 1982 Porsche 928 auto

Last edited by camo; 01-30-2014 at 03:24 PM..
Old 01-30-2014, 03:14 PM
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SharkHead
 
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I use Mahle but have also used Mann in the past.
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Old 01-30-2014, 03:48 PM
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80 928
 
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I've been using the Wix filters for a number of years, with no issues. The best part about the Wix filter, is most auto parts stores can get them.
-Kerry
Old 01-30-2014, 04:03 PM
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Porsche 928 Fanatic!
 
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Fram Extra Guard, Pennzoil 10W40, both available at any auto parts place on the planet. Other planets as well.

I ALWAYS use motor flush when I change the oil in all my cars. All my cars go well over 200k miles, that is enough proof for me, but that is another topic.

If you are in a location that has a freezing winter, change the oil at least every Spring, regardless of how many miles you put on it.

It takes all of 10 minutes - My 11 year old daughter does them for fun.
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Old 01-30-2014, 04:04 PM
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The Mann (Mann+Hummel) filter is a very good one - buy it. It is equal quality to Mahle & Bosch - these three are the only ones I would ever use.

Alan
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Old 01-30-2014, 06:21 PM
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Quote:
Originally Posted by Alan in AZ View Post
The Mann (Mann+Hummel) filter is a very good one - buy it. It is equal quality to Mahle & Bosch - these three are the only ones I would ever use.

Alan
Bosche makes washing machines for Christ's sake.

Up until the early 1980s, Bosche was a name of quality. Now it is a name plastered on everything from toasters, to washing machines to oil filters.

Fram makes filters. Period. Fram Good. Me like Fram
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Old 01-30-2014, 07:14 PM
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I use Mahle filters, wish they made sizes for my other vehicles.
I bought a Wix once and it was much smaller than the Mahle.

MAHLE Original Filters: Why It Is What's On The Inside That Matters - YouTube
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Old 01-30-2014, 07:24 PM
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I only change my oil every 2 years, I don't put many miles on and use a Synthetic Amsoil that will last that long
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Old 01-30-2014, 07:41 PM
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Go to advance auto and buy the Purolator.
May take them overnight to get one delivered.
Inside the white Purolator box you will find the black Mann filter.
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Last edited by Landseer; 01-30-2014 at 10:20 PM..
Old 01-30-2014, 08:21 PM
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Torque the drain plug to 37 lb-ft. Use a new crush washer.
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Old 01-30-2014, 10:17 PM
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Thanks guys! I'll read your answers more thoroughly tomorrow!

9qt capacity right? How much do you typically spend on 9qts?
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Old 01-30-2014, 11:30 PM
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Sort of off topic question: do you have any ways of boosting gas mileage? Additives or anything? I'm getting 9mpg. I was getting 19.9 Mpg last spring. But it suddenly dropped over the summer. I'd be happy with ~15 lol
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Old 01-30-2014, 11:39 PM
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Quote:
Originally Posted by camo View Post
Sort of off topic question: do you have any ways of boosting gas mileage? Additives or anything? I'm getting 9mpg. I was getting 19.9 Mpg last spring. But it suddenly dropped over the summer. I'd be happy with ~15 lol
Fix your car. Something wrong unless your on a track
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1979 928 85 Euro 2v motor,S4 Brakes and suspension, 1988 951 street legal track car(sold)
Neon SRT4 track car
Old 01-31-2014, 02:36 AM
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Quote:
Originally Posted by camo View Post
Thanks guys! I'll read your answers more thoroughly tomorrow!

9qt capacity right? How much do you typically spend on 9qts?
No - put in 6, wait, check dip stick, and then add until full - maybe another full quart. I have never put in more than 7 on 3 different sharks over the years. You don't want to overfill. Also, add some oil to the filter before spinning it back onto the block - fill it to near the top, and smear the oil filter gasket with oil before putting it back on.
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Old 01-31-2014, 03:48 AM
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Mahle and Mann are what they sell here at Pelican and all that I buy. No need to experiment on brands that the experts don't carry.

^ also what Linderpat just said is spot on how to install the oil filter.
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Old 01-31-2014, 05:46 AM
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Yep, Mann W730 is what I use too. Pre-filling the filter before installing it definitely helps on our cars since the filter is so large. Minimizes the amount of time your engine will run without oil pressure when you first start it after the oil change. I go as far as removing the fuel injection relay and cranking the engine for 10-15 seconds before starting it, but I'm a little nutty like that

I run Mobil 1 synthetic 15W-50, but it really depends on what's available to you and how hot/cold the ambient temp is where you are running the car. What type of oil to use is a never ending discussion that usually comes down to individual preference.

As far as replacement intervals, I go 5,000 miles or around 6 months since it's daily driven and sees a wide range of operating conditions. Again, it comes down to what type of oil you run and your preference. You will eventually figure out what works best for you and your 928.

Have fun!
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Last edited by Opelotus; 01-31-2014 at 05:53 PM..
Old 01-31-2014, 05:45 PM
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Oil change isn't rocket science, more than a few cars have been messed up pretty bad when they get it wrong.

928 takes like 8.5 qts, I always bring my own oil and filter and figured my domestic car mechanic is a fairly sharp guy, plus I left instructions including pictures. Pick up the car and I ask the owner, so should be 1.5 qts of Mobil one left (2x 5 qt jugs) and I didn't see it in the car. Dude put 10 qts in the car and test drove it that way. Actually grumbled at me when I told them to drain out the overfill.

Typically they just fubar your drain plug, cross thread, mess up the sealing washer, and you won't know its fubar until maybe the next oil change when the mechanic wants to know why some crossthreaded bolt has been jammed in the oil drain.

One guy here told the service writer to be sure 8.5 qts, so the service writer puts on the ticket +3.5 qts. So what do they do, put in 3.5 qts. Made it around a mile from the shop.
Old 01-31-2014, 07:21 PM
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You would think something as basic as an oil change could be carried out by a competent mechanic. Sadly, for every "good" tech, there are a dozen that I wouldn't let touch my lawn mower. As I get older, there will be a time when I will need to trust someone...until then, I guess I keep servicing, and repairing my own stuff. There are some talented young people out there, but it seems we've become a society of consumers...
I weep for our country

Last edited by XLR8928; 01-31-2014 at 08:33 PM..
Old 01-31-2014, 08:31 PM
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I will second what's said so far. If you want it done right, you just have to do it ur self.

Hardest part in an oil job is getting the filter off. You can always trust that the previous grease money torque that filter too tight. It took me 1 hr to get a filter once!

When doing an oil change, I also inspect brakes, belts, hoses. Check all fluid levels. Flush the brake fluid every two years. That is often overlooked.
Old 02-01-2014, 12:00 AM
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Two lowest paid jobs on cars, tire buster and oil change.

Standard problem with the 928 it isn't what you don't know that gets you, its what you know for sure that's wrong. Oil change guys see maybe 1% of cars that don't take 5 qts.

As said, oil change is a great time to have a general look around under the car.

Old 02-01-2014, 11:20 AM
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