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Old 08-30-2009, 03:03 PM   #1 (permalink)
markweatherill
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Compression test oops

I did a compression test on my car and got very high readings. (Book says 192PSI, my gauge showed around 220PSI)
Afterwards I realised I didn't hold the throttle open while doing it.
Now, wouldn't that have given me readings *lower* than expected?

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