The two broad divisions of aluminum pistons from a thermal standpoint are those designed to conduct the heat from the head into the skirt and thence into the cylinder walls, and those designed to ...

With time and use, aluminum can start to dull, tarnish, and just otherwise look... not so great. If you're ready to restore ...

SAE Transactions, Vol. 23, PARTS I and II (1928), pp. 145-150 (6 pages) COMPROMISES are necessary in designing a piston, sacrificing the quality of least importance under the given conditions.