Join Date: Aug 2006
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I found, in regards to Atomic 4s, that flushing them only clogges up the head. It is far better to just heave them over the side of boat.
Just kidding of course, I hope no one from the EPA was reading....
I actually loved my Atomic 4 and it ran for 20 years with out being flushed so I figure if you are doing anything, like flushing with fresh water, you engine will last longer then 20 years.
The chemist in me says the longer you leave the vinagar in the more calcium it will disolve. However Vinagar is an acid and I am not sure what prelonged effects it will have on the steel engine parts.
This should be a good chain of posts.