<VV> Rings

[corvairs]

We used to sell Grants a few years back but had a lot of customer 
complaints about the one-piece oil control ring - the complaints were 
PERCEPTIONS (aren't many of them?) rather than any actual bad 
experiences. I agree that the three piece are better, but we never had 
any customer complaints on the Grants that could be traced back to the 
oil control rings - now..........with Grants there were, however, other 
problems..........Lon

www.corvairunderground.com
PORTLAND IN JULY!! TIME'S RUNNING OUT!  www.corsaoregon.com

BobHelt at aol.com wrote:

>In a message dated 5/26/05 7:49:16 AM US Mountain Standard Time, 
>geoffj at unm.edu writes:
>
>  
>
>>Just wondering thoughts on 1 piece cast  oil contol rings.
>>    
>>
>
>Interesting! The 1960 Corvairs and probably 1961s all used the one-piece cast 
>iron oil ring. This was probably a cost-saving feature. In 1962 they went to 
>the three-piece oil ring and continued that for the rest of production. Ring 
>manufacturers tend to pick-up on the car specs and stick with those, so that is 
>probably why the one-piece rings are still available. (conside the 
>half-flange main bearings still available!!!!)
>
>Three piece oil rings are just improved technology. The one-piece ones work 
>OK, no problems in general. It's just that the three-piece ones provide better 
>oil control due to their higher unit tension and flexing capability. The also 
>are chrome plated at the wall contact surfaces so as to provide improved ring 
>life. If given a choice, I'd always use the three-piece ones.
>
>Regards,
>Bob Helt
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