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Compression test, plugs in or out 700 1986

posted by  v diddy on  Sun Feb 17 07:50 CST 2002
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I have read on several posts the correct method of doing the compression test ie: remove coil wire, prop open throttle plate, remove fuel pump relay, test for four strokes, but should I leave the spark plugs in the block when turning over the engine or out?
I only ask this because my readings done with plugs removed was higher than in.

thanks in advance.

1986 740 b230ft 330k kms






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New Compression test, plugs in or out [700][1986]
posted by  v diddy  on Sun Feb 17 07:50 CST 2002 >


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