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Old 02-10-2020, 11:46 AM
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MikeB MikeB is offline
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Ok compression checks came in at (the gauge I have is in 5 psi increments)
#1. Between 85-90psi
#2. 90psi
#3. 90psi
#4. 95psi

Now I pulled all the plugs at the same time to hopefully limit pulling gas into the cylinders and the electric fuel pump fuse pulled. Liquid did spurt out of every cylinder and it doesn’t smell like gas, about double the amount of liquid came out of the #1 and #4 cylinders compared to the #2 and #3.
The raw water seacock is closed and has been close since after the last time I ran it.
I use a green coolant and none of the liquid had any kind of green tint to it.
Am I safe to assume the head gasket is fine even though number one is a little bit lower in compression than the others? And if this is sea water back filling through the exhaust manifold does that indicate a exhaust riser or water lift muffler problem?
The water lift muffler is a plastic one.

Here are pics of the exhaust riser I have and of the amount of water that spurted out of the cylinders
iPhone pics are turned left 90 for some reason
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Last edited by MikeB; 02-10-2020 at 11:55 AM.
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