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Originally Posted by sickyute
Wiseco specifies for their pistons for the K that u get iron sleeve...what r they and where do u get those...info. would be appreciated for those who decide on wiseco or any other brand that may need it.
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iron sleeving is a process of adding iron rings (basically that run the length of the cylinder wall ) to an engine that has an alum. block. by adding the iron to the inside of the cyl wall you thereby strengthen the cyl wall by a great deal. there is debate on how much they say it strengthens the cylinders, but basically everyone agrees atleast 2 times the strength. its a safety issue and usually its a machine shop that can do it for you.
so in all reasoning it helps you not blow up your engine.
*i'm adding this part*
a lot of engines use iron sleeves right from the factory. iron is heavy and is not always wanted to build engines these days, by alum is weak and usually brittle. so the factory's add the sleeve. one engine in particular that has done this and had amazing success is chevy and the lsx small block v8.