Piston rings
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Laughing Gas
Joined: Mar 2013
Posts: 1,027
Likes: 5
From: Garner NC
Piston rings
Got the cast parts back from the machine shop and they sure are purty!
So I'm making my shopping list and I'm trying to decide on cast iron rings (~$30) or Moly (~$65)
I've always used Moly, but this is a cheap build so I am considering the cast. I know the cast are generally used for slightly out of round bores because they are more malleable. I don't have an out of round issue.
Thoughts?
So I'm making my shopping list and I'm trying to decide on cast iron rings (~$30) or Moly (~$65)
I've always used Moly, but this is a cheap build so I am considering the cast. I know the cast are generally used for slightly out of round bores because they are more malleable. I don't have an out of round issue.
Thoughts?
Lead Driver
Joined: Aug 2003
Posts: 7,592
Likes: 10
From: **** hole San Jose ca.
A Cheap engine build gets cheap parts. Plus Iron rings will seat fast and easier.
Right! So why throw in Moly rings on a low buck build.
The next failure, I can see would be exh. seats if not harden seats, not iron rings as iron rings have been around for yrs. doing good job with higher compression engines
Orich
Right! So why throw in Moly rings on a low buck build.
The next failure, I can see would be exh. seats if not harden seats, not iron rings as iron rings have been around for yrs. doing good job with higher compression engines
Orich
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Laughing Gas
Joined: Mar 2013
Posts: 1,027
Likes: 5
From: Garner NC
The heads are perfect and for the low use I'll add lead additive as it is not a bank buster. FWIW, the Moly's have an iron face, just Moly on top and bottom which probably makes for better wear in high compression motors - which the 360 is not...
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