Re: Which liquid soap for installing wet sleeves

Posted by NC Wayne on November 29, 2005 at 19:33:44 from (152.163.101.7):

In Reply to: Which liquid soap for installing wet sleeves posted by Willy p on November 29, 2005 at 18:45:42:

Not gonna say it won't work without causing problems because obviously it's been tried, but personally I'd steer away from using any kind of oil, be it cooking oil or whatever. I say this because oil and water don't mix together very well, even in small quantities. Since the cooling system doesn't get hot enough to "burn" the oil off this could cause two things to happen seperately or together. One the oil will create a film on the metal surfaces which will cause a decrease in the heat transferrence, and that's the last thing you want to happen around a liner. Two the oil and water could mix/emulsify causing a pocket of sludge which will also create a hot spot with a low heat transfer.---With dish soap it's designed to disolve in the water. By the time you fill the coolant system the first time with plain water and run it long enough to leak test it the soap and water will have mixed. This gives an added bonus because the soap is designed to cut oil and hold onto it. This means any oil that may have gotten into the system at the machine shop, during building, or whatever, will be flushed out when you drain everything. This way your assured that when you fill the system with clean water and antifreeze you've got a system that's pretty much as clean as you can get.---With that said I've been building engines for years and have never really given thought to which brand, specifically, worked better. If I need a bottle I tend to buy the whatever is on sale, and have never had an engine come back. I believe what's on the shelf presently is what's left of a bottle of JOY that's about a year old. Good luck with the rebuild.

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