Originally Posted by piston slapper
How does it run now...??
I always polish the pistons with a small wire toothbrush..using a side to side motion.
If there are any scratches in the piston they should not be in line with the stroke...
Fine scratches paralell with the rings will hold a small amount of fuel that will cushion the piston from digging into the cylinder..just like crosshatches on a cylinder...
If I can remember...I will post a pic of the process on Monday ...it makes them look like new..
Remember when knurling skirts and guides was considered acceptable practice.
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