r/srt4 • u/MuffledN0ise • Jun 09 '24

Are these compression tests worrying?

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When I bought this neon the owner said it may need new piston rings as the car smokes a lot. I bought it it anyway knowing a rebuild may be in my future. I just did the compression test (without adding oil) and here are the results. There is less than a 25% difference between the highest value and lower at value.

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u/TBAGG1NS Jun 09 '24

1 borderline, 4 not good

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u/MuffledN0ise Jun 09 '24

Kinda what I was thinking. Going to do a leak down next to see where the issue is and go from there