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Old 07-18-2006, 10:18 AM   #1
outofworkjoe
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Default The best oil for 940 turbo?

Ive been looking around at many oils What type do you use and why? Allso why is it best to use mann/volvo filters?
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Old 07-18-2006, 10:25 AM   #2
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Originally Posted by outofworkjoe
Allso why is it best to use mann/volvo filters?
It is best to use them because they are made better than pretty much any filter out there for your car.
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Old 07-18-2006, 10:36 AM   #3
Bob Kraushaar
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Mann filters do a superior job. According to those who have cut open filters to compare, they have more filtering material which means more surface area. The material is also supposed to be finer than the norm. This translates into less particulates passing through the filter but adequate flow being maintained.

I use Mobil 1, 10W-30 or 10W-40, whichever Sam's Club has in stock that week. I changed over from dino oil at about 100K with no ill effects (there are those who worry about leaks showing up after a switch but I did not experience any). The car ('94 945T) currently has 225k and is still going fine. No smoke. I change the oil once or twice a year (10-15K). I recently had the head off (200K) to replace the head gasket and the factory hone marks were readily apparent on the cylinder walls. To the best of my knowledge, early in this car's life (I got it at about 45K), it went over 40K without an oil change. Tough little b*stard.
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Old 07-18-2006, 10:41 AM   #4
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For a decent recommendation it'd also be nice to know the mileage, condition of the engine, if it consumes any oil, makes any noise etc, also the climate driven . . . .

Most people here run Castrol, Mobil1, Valvoline and a few run Amsoil. Just avoid crap like Pennzoil and only go with Mann/Volvo filters since they are pretty much the best.
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Old 07-18-2006, 10:47 AM   #5
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What are the prices on the Mann/Volvo filters? Dealer only item?
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Old 07-18-2006, 10:54 AM   #6
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theyre 3 or 4 bucks apiece, mailorder. Save a few bucks on a case of 10.

http://www.fcpgroton.com/volvo700tuneup.htm
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Old 07-18-2006, 11:50 AM   #7
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+1 for Mobil 1 and Mann filters.

I changed over my 1993 B200FT from dino to Mobil 1 at 125k - no leaks. Usual procedure - engine flush, filter and cheap synth for 2k miles, then another filter and Mobil 1. Did the same with my B230FK at 94k miles - no problems there either.
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Old 07-18-2006, 01:55 PM   #8
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My local supplier seems to have the Manns for $4.7 apiece in his website, http://catalog.eautopartscatalog.com...art=Oil+Filter, but he has sold them to me for around $3 when I drove there.

About Oil, I am using right now Mobil 1 but am planning on going to Rotela synthetic and see what happens.
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Old 07-18-2006, 05:18 PM   #9
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Are there any 15W40 synthetics?

Seems like that would be a better choice than 10W30 - as long as it stays above 0F.

Mobil 1 is available in 15W50 - 20W50 was an option on B21Fs (per our 1979 owners manual).
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Old 07-18-2006, 08:27 PM   #10
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Mann filters are simply better filters and they also have a valve in them... Which means oil stays in there when the car is off. If you use a generic filter you'll notice your oil light comes on when you start your car (even though it only stays on for a second, it strikes fear into your heart)..

That's enough reason for me. Other people will be able to give you a better description of what the valve really does; but I just know it works and there is no reason not to get Mann when they are that cheap.
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Old 07-18-2006, 08:42 PM   #11
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After much reading online, Shell Rotella Synthetic 5w-40, at Walmart for about $15. gallon.
Mann filters. Purolator if Mann not available.
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Old 07-18-2006, 09:23 PM   #12
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Mann oil filters, and the cheapest dino I can get with rebate coupons: usually Chevron or Shell (decent stuff, actually), @ $.49 or $.59 each after rebate.

I change about every 2000 miles.
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Old 07-27-2006, 02:12 AM   #13
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What abou t synthetics? (ie. slick 50)
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Old 07-27-2006, 02:14 AM   #14
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napa filters and mobil one if you can afford it.
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Old 07-27-2006, 02:16 AM   #15
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Quote:
Originally Posted by stevemd
After much reading online, Shell Rotella Synthetic 5w-40, at Walmart for about $15. gallon.
Mann filters. Purolator if Mann not available.
+1 on shell rotella, this oil is also widely used in hipo motorcycles as a motorcycle specific oil subsitution.
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