Nope, they are a higher tech solution to the problem of ring flutter at high piston speeds. They also reduce friction and improve power and fuel econonomy. Mike --- Karen Chester <k.c.chester@worldnet.att.net> wrote: > > By the way what's the advantage of low tension > rings? > I would think from an accountants point of view, > they (low tension piston > rings) would be theoretically CHEAPER,