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-   -   500 EFI compression (https://www.offshoreonly.com/forums/do-yourself-boating-budget/341518-500-efi-compression.html)

Griff 10-02-2016 01:47 AM

Leak down test will confirm where the lost compression is going. Most likely a couple valves not seating completely.

jeff32 10-02-2016 04:31 PM

1 Attachment(s)
[ATTACH=CONFIG]559959[/ATTACH]3 hours of fun finally gave me my 24 compression tes numbers! Quite happy with the result honestly!
1228 hours original hours, took off all 8 spark plug in each engines, on cold engines by the way, and turned 5 times

Check pictures for readings!


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