Will Ductile iron rings work OK here?
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Will Ductile iron rings work OK here?
hpwdboss1 January 24th 2011, 11:36 am
I have all my parts and fresh hone job. Honed for moly-faced ring. 15.2 to 1 comp ratio, hi dynamic ratio, 118 racing fuel. Radiator and fan, electric water pump. All iron engine. 5700-5800 rpm, 15 seconds under load. 35-40 runs per summer. Will a ductile iron ring be sufficient here?
Perry
Perry
hpwdboss1- Posts : 147
Join date : 2009-09-05
Age : 69
Location : Balbec Indiana
Re: Will Ductile iron rings work OK here?
Frank Merkl January 25th 2011, 2:09 am
moly will give better service life
Frank
Frank
Frank Merkl- Posts : 1524
Join date : 2008-12-17
Age : 68
Location : Brooks ,Alberta ,Canada
Frank Merkl- Posts : 1524
Join date : 2008-12-17
Age : 68
Location : Brooks ,Alberta ,Canada
Re: Ductile ring
hpwdboss1 January 25th 2011, 3:49 am
Just trying to figure if a moly faced , ductile iron ring will take the heat. I know I need the moly face, but will the ductile iron be up to the task? Back in the supercharged alky 
days we used steel rings, but this isn't on that kind of budget, hopefully.
Perry
days we used steel rings, but this isn't on that kind of budget, hopefully.Perry
hpwdboss1- Posts : 147
Join date : 2009-09-05
Age : 69
Location : Balbec Indiana
Re: Will Ductile iron rings work OK here?
DanH January 25th 2011, 10:51 am
you will be more than ok with ductile top ringshpwdboss1 wrote:Just trying to figure if a moly faced , ductile iron ring will take the heat. I know I need the moly face, but will the ductile iron be up to the task? Back in the supercharged alky
Perry
DanH- Posts : 1081
Join date : 2009-08-06
Ductile top rings
hpwdboss1 January 25th 2011, 10:36 pm
That is what I have been wanting to know 
I have a set of file fit on hand and didn't want to put em in if they wouldn't last. thanks again guys.
Perry
I have a set of file fit on hand and didn't want to put em in if they wouldn't last. thanks again guys.Perry
hpwdboss1- Posts : 147
Join date : 2009-09-05
Age : 69
Location : Balbec Indiana
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