Posted by mattofvinings on January 02, 2009 at 18:47:16 from (24.178.75.169):
In Reply to: Longevity of M Engine posted by Heifer Raiser on January 02, 2009 at 10:43:23:
Jason1Pa. said: In my opinion wet sleeves are better because the water/antifreeze is right up against the sleeve its self. Cools better.
I would disagree...if there were sleeve or bore cooling problems then pistons would end up as aluminum chunks down in the oil pan...and I haven't heard of many of these type of failures in stock HP form. My opinion is the original engineering & validation was first-class and works great even after all of these years.
It is true that if one is intending to make considerably more power, the surface-contact issues [which equate to heat-transfer issues] in a dry-sleeve design can be eliminated by using a wet sleeve.
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