Saturn Repair: 96 saturn sc2 compression loss, 96 saturn sc2, saturn sc2

Question
I opened the oil cap with a warm engine and there was some blow-by but not nearly enough to burn my hand and there was no smoke emanating out of the oil cap area.  No smoke comes from the tailpipe either.  I also tried using an oil mixture that is supposed to improve your engine's compression and still the compression readings were the same.  Also there is no antifreeze/oil mix as I have changed the oil recently. -------------------------
Followup To
Question -
I have got a significant loss of power in my 96 sc2.  I ran a compression test and each cylinder read around 135-150 psi.  I then added oil to each cylinder and the compression did not jump up at all.  I rebuilt the entire engine six months ago but the heater hose popped off one day and the engine ran for about five minutes without coolant before I realized the smoking and stopped the car and circulated some water in the radiator.
Does this problem lie within the valves and cylinder head or am I going to have to pull the engine out and replace the piston rings.
Answer -
Mike,
 Those compression readings from your engine are not bad, they're just not great.  I wouldn't expect a six month old engine to have those readings.  I am concerned about the fact that the compression did not improve on your wet test.  Given that each of your cylinder's dry readings are +-10% of each other, I would rule out a cracked head or block.  Dumb question, is there any antifreeze/oil mix? Check for blow-by.  With a full warm engine, open the oil cap and check for positive pressure and smoke.  If you can't put your hand over the hole for all the smoke and pressure comming out, I would suspect you have a blow-by problem.  Not all blow-by conditions cause smoke at the tailpipe.  In my experience, overheat conditions cause more damage at the piston rings than at the valves or seals.  Check that out and let me know what happens.

Chris

Answer
Mike,
 Given that you don't have hotter-than-hades blowby comming out of the open oil filler hole, but some blowby none the less, I would say that your low compression is caused by either exessively worn or stuck rings.  Without inspecting your engine first-hand, I really can't make a call.  What kind of power loss are you talking about? Are we talking about a loss of top-end power, or what?  I'm trying to come up with alternative answers for you.  You should still be able to run around town with those compression readings.  Let me know.

Chris