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markweatherill · 08-30-2009, 02:03 PM

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?

08-30-2009, 02:03 PM	#1 (permalink)
markweatherill Master EcoModder Join Date: May 2008 Location: UK Posts: 332 Thanks: 15 Thanked 79 Times in 54 Posts	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?