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Old 10-31-2017, 03:10 PM   #3
truckster
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Join Date: Jan 2001
Location: Orem, Utah
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Re: Compression test for 305 v6

Before you do the compression test, I would make sure you don't have any stuck rings. Put a shot of penetrating oil in each cylinder and let it sit overnight. Then turn it over by hand. It should turn fairly easily with the plugs removed; if not, you might want to tear it down before you go any farther.
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