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Re: low oil pressure on start-up on 97 Aero Posted by sam96CS [Email]  (#852) [Profile/Gallery]
(more from sam96CS) on Sun, 10 Feb 2013 12:40:07
In Reply to: low oil pressure on start-up on 97 Aero, skibumm100  [Profile/Gallery]
, Sun, 10 Feb 2013 05:39:32
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It is always difficult when changing more than one thing at a time to determine the impact of each change. 5 seconds is a vast improvement, but getting it down to zero is worth additional effort.
It's been several years since I looked into articles about oil filters. I don't know whether filter technology is progressing rapidly. Probably slowly. At that time (2006?) the following filter features were desirable:
1. Synthetic media.
2. Bypass valve located at the filter base rather that at the dome end.
3. Silicone Anti-drainback valve, so oil only flows one way through the filter and there are no dry starts.
4. Thick canister and rugged construction to resist high pressure.
5. Gasket material that makes an old filter easy to remove.
There were opinions online that Fram oil filters were inferior in materials and construction, and so were the Penzoil and Quaker State oil filters, which are made by Fram. Look up "orange can of death" online to see what I mean.
My point is that oil filters are not all alike, and that construction difference can result in differences in lubrication system performance, including how rapidly oil flows at startup. Buying a great motor oil is good. Buying a great motor oil and a great filter is better.
My idea of a good deal on a filter is to find the Mann W712/80 at a decent price including shipping. I've read only good things about this filter at saabnet. Another filter that I would buy in a pinch is the Mobil 1 M1-102. If you try one of these filters and the oil can light continues to stay on 5 seconds, then at least you know you have done everything you can do for the lubrication system short of dropping the oil pan.
, Sun, 10 Feb 2013 05:39:32, Sun, 10 Feb 2013 12:40:07 <-- Viewing This Message, Mon, 11 Feb 2013 06:56:47
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