Thread: 427 so compression test readings
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Old 12-28-2004, 06:24 AM
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Ron61 Ron61 is offline
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I don't have the 427, but my 428SJC reads from 170 to 180 all the way through when warm with all plugs out. I am running 11:1 compression.

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Last edited by Ron61; 12-28-2004 at 08:38 AM..
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