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Message: <blockquote data-quote="98-5.0" data-source="post: 412996" data-attributes="member: 9042"><p>honstly those numbers look good to me as well. even cylinder 4 looks ok. i dont think that would cause a huge amount of oil consumption...and also...half a quart of oil between a routine 3000 oil change is almost kinda normal for a motor with 100k on the clock believe it or not. the new chevrolet law now is up to a quart of oil evey 5000 miles is ok to a gm vehicle even under warranty...thats why the suck imho. but i wouldnt worrie to much about that....but in your case...1 quart every 1k . thats kinda alot. i would deffinatly look at your valve seals and even if you cant make that decision they are like 12 bucks and you could probably do them yourself with the heads on the car and a air compressor since you know what your doin with a compression test...see about that and also just check for leaks obviously...rear main seal is a big one...you probably know that much...but let me know whats up with the valve seals...and ill try to think up some other possible issues...</p></blockquote><p></p>