Thread: Piston ring id question
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08-15-2010 01:25 PM #1
Piston ring id question
Hello guys,
I finally stuffed my pistons in the 540 yesterday. It went really well. After I installed about 3 pistons, I realized I was installing the top ring upside down, it had a dot on em and this is supposed to be installed facing up, so I had to redo 3 of them.
I lost the original instructions which came with the rings. They are the total seal standard plasmamoly ductile iron top rings with a cast iron second ring. Dumb question, how can u differentiate between the 2 rings, since they are the same size? One of the rings is shiny on the face with a smaller dot, the other one is black with a larger dot. I assummed the black one is the ductile iron top ring. Hope I'm right.
PS if u ever want to install pistons, get a taper ring compressor, it is awesome!!
Thanks Ed
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08-15-2010 02:08 PM #2
top ring shinny color not as dark most of the time if moly sometimes you can see the moly on the face. dot up if a bevel faces up 2 rings black bevel at bottom dot to top .top ring no marks no bevel then its a barrel face ring and can run any way there is no top or bottom .any marks allways face up on ringsLast edited by pat mccarthy; 08-15-2010 at 02:10 PM.
Irish Diplomacy ..the ability to tell someone to go to Hell ,,So that they will look forward to to the trip
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