Re: IML: Question about harmonic damper

[sosmi@xxxxxxxxxxx]

The SFI approved dampers, are for high rpm race type applications.They are less likely to slip from high speed shifts, and are considered explosion proof . They work fine on a standard production engine, but it's a bit over-kill. The standard $65-85 damper is all you need, lets face it the standard damper has lasted this long.Ya'll have a nice day, Dave.

> -------------- Original message -------------- 
> From: "Rob van der Es" <r.vdes@xxxxxxxxxxxxxxx> 
>
> > Hi, 
> > 
> > In addition to my earlier message of yesterday with regard to my request 
> > for information I would like to add this link: 
> > 
> > 
> > www.440source.com/dampers.htm 
> > 
> > The first damper on this page is a stock damper (allthough it is SFI 
> > approved..) and the second one is a fluid damper (just like Fluidampr is 
> > selling for almost three times as much). 
> > So I think I will choose one of those two. 
> > 
> > Can anyone explain to me (Dick B. or Paul W. maybe ?) what the benefits 
> > are of a fluid damper. 
> > I have been told that a fluid damper is working better at a broader rpm 
> > range than a standard elastomer (rubber) damper. Is this true, and will it 
> > do my engine an
> d bearings good because they suffer less from harmonics? 
> > 
> > Thanks in advance for your help, 
> > 
> > Robert van der Es 
> > 1960 Imperial Crown Hardtop 
> > 
> > 
> > 
> > 
> > Op Ma, 8 januari, 2007 4:47 pm, schreef Rob van der Es: 
> > > Hello gang!, 
> > > 
> > > 
> > > First of all I would like to wish y'all a Happy New Year. 
> > > To start my new Imperial year the right way, I am preparing my 1960 
> > > Imperial for the coming riding season (that will be the end of April then, 
> > > considering the climate overhere). 
> > > 
> > > One of the things I would like to replace is the harmonic damper 
> > > (sometimes called a balancer but that ain't the right word for it, since 
> > > the cranckshaft of our 413's is internally balanced). I think the outer 
> > > ring of mine has slipped over the years, resulting in an incorrect timing 
> > >
>  mark. I also think that since the ring was able to slip the rubber between 
> > > the inner and outer ring is malfunctioning. 
> > > 
> > > 
> > > So I am looking for a new one. Now my question: should I go for a normal 
> > > replacement damper (with rubber elastomer inside) or should I go for a 
> > high tech fluid damper?? I have been told that fluid dampers are much 
> > better 
> > > for a long engine life (read crankshaft and bearing life) since they are 
> > able to absorp harmonics over a wider rpm range. 
> > > 
> > > Any thoughts? 
> > > 
> > > 
> > > Thanks, 
> > > 
> > > 
> > > Robert 
> > > 
> > > 
> > > 
> > > 
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> > 
> > 
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