Re: A compression test will tell you. - Can borrow gauge - Saab 9000 Bulletin Board - Saabnet.com
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Re: A compression test will tell you. - Can borrow gauge
Posted by 02 Viggen (more from 02 Viggen) on Sat, 16 Mar 2019 14:05:00
In Reply to: Re: A compression test will tell you. - Can borrow gauge, Weston, Thu, 14 Mar 2019 14:26:02
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The oil could be coming through a failed valve guide, or past the rings, or as you said, an oil passage at the cylinder head gasket. The rings tend to last on these cars, and you're around the mileage where the cylinder head gasket tends to go. You have to pull the cylinder head anyway, regardless of the source of the oil and lack of compression.
On the cylinder head gaskets I've done, I found a good machine shop that would do a cylinder head rebuild with a minimal re-surfacing on the cylinder head. Don't want to take too much metal off, as that affects the compression ratio.
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