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530 Compression result are they too low?

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Old 03-20-2013 | 08:23 PM
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530 Compression result are they too low?
Hello, I just got my compression done at Mazda Albi in Laval, Quebec. My car had trouble starting when warm. The result they gave me was: Front 555 560 530 rEAR 570 570 620. Are these results too low?
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Old 03-20-2013 | 08:25 PM
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If it's normalized at 250rpm, yes its low and if you're still within Warranty, you should get a replacement for FREE.
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Old 03-20-2013 | 08:31 PM
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What is the normal compression for a rx8? Thanks
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Old 03-20-2013 | 08:32 PM
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Old 03-20-2013 | 08:34 PM
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I searched and only found the answer in PSI... The dealer didn't give me PSI numbers... Actually what numbers did the dealer give me?
Last edited by ocyoo; 03-20-2013 at 08:36 PM.
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Old 03-20-2013 | 08:38 PM
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they use kPa. do a conversion in Google.
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Old 03-20-2013 | 08:48 PM
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680kPa is minimum spec at 250 RPM. I don't think your starter could go slow enough for those numbers to be above that, but who knows. RPM is needed.
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Old 03-21-2013 | 12:14 PM
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Originally Posted by ocyoo
I searched and only found the answer in PSI... The dealer didn't give me PSI numbers... Actually what numbers did the dealer give me?
good question, and why are you asking us, shouldn't the dealership know?
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