Thanks Dave, But apart from the fact that a standard damper is good enough when it comes to max rpm, what about the fact that a fluid damper works on a much broader rmp range (thus damping vibrations within a much broader range, rubber dampers are "tuned" for a specific range) ? Have a nice day too, Robert Op Di, 9 januari, 2007 4:55 pm, schreef 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 and 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 >>> >>> >>> >>> >>> >>> ----------------- http://www.imperialclub.com ----------------- >>> This message was sent to you by the Imperial Mailing List. Please >>> reply to mailing-list@xxxxxxxxxxxxxxxx and your response will be >>> shared with everyone. Private messages (and attachments) for the >>> Administrators >>> should be sent to webmaster@xxxxxxxxxxxxxxxx To UN-SUBSCRIBE, go to >>> http://imperialclub.com/unsubscribe.htm >>> >>> >>> >>> >> >> >> >> >> ----------------- http://www.imperialclub.com ----------------- >> This message was sent to you by the Imperial Mailing List. Please >> reply to mailing-list@xxxxxxxxxxxxxxxx and your response will be shared >> with everyone. Private messages (and attachments) for the Administrators >> should be sent to webmaster@xxxxxxxxxxxxxxxx To UN-SUBSCRIBE, go to >> http://imperialclub.com/unsubscribe.htm >> ----------------- http://www.imperialclub.com ----------------- This message was sent to you by the Imperial Mailing List. Please reply to mailing-list@xxxxxxxxxxxxxxxx and your response will be shared with everyone. Private messages (and attachments) for the Administrators should be sent to webmaster@xxxxxxxxxxxxxxxx To UN-SUBSCRIBE, go to http://imperialclub.com/unsubscribe.htm