Question:

I need help! how many psi of compression is in a brand new motor of a sc2 back in 93 when it was made?

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i compression tested my 1993 saturn sc2 and it rang as 190-200 psi in each cylinder(4). i was wondering how many psi it has brand new?

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  1. Lord, that's great!  What did you do, squirt oil down the cylinders?

    I can't see it having more than 10 pounds over that brand new.  You're in the ball park now.

    Don't know, but I've have said 200 - 210.

    http://www.youtube.com/watch?v=UdZHPa6fx...


  2. Actual psi is less significant than that they are consistent. The difference in compression from one cylinder to another indicates wear. With only 10 psi difference, your in good shape.

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