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Old 10-29-2004, 12:05 AM   #1
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Question Detecting proper seating of new rings by compression check?

So far so good on 96 SL2 engine rebuild.............

I used the Haynes manual method of ring seating breakin and now have about 40 miles on engine.

Compression check on warm engine is 200 psi +/- 2psi on all cylinders.

Old 10-29-2004, 12:21 AM   #2
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1993 SC2

It sounds better than the 175 5psi that I measured on my warm engine a couple of weeks ago.
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Old 10-29-2004, 12:30 AM   #3
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Perhaps but I wouldn't count on it. It's best to break-in the motor for about 500 miles or so. Some feel better going a full 1000. The rings SHOULD seat without issue if everything was done correctly.

It is a good sign that your compression numbers are linear.
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Old 10-29-2004, 12:47 AM   #4
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yeah, the numbers are good but don't go racing it quite yet
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Old 10-29-2004, 01:27 AM   #5
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What he ^ said.
Old Saturns never die, people KILL them, so check your damn oil!
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