Allright Dave, You have convinced me :) I will go for the stock version then, cause this one looks like an exact replica of the one that was bolted 47 years ago to the crank. Robert Op Di, 9 januari, 2007 10:35 pm, schreef sosmi@xxxxxxxxxxx: > Rob thats quite true, but the race engine has engine harmonics that the > normal engine will never see. The damper really helps to take the sudden > shocks of combustion, and take some of the natural vibrations of the > engine, and dampen them, this prevents crankshaft breakage, and prolongs > bearing life. After all that, the stock damper is all you need.I'm having > a nice day thanks, Dave. > > -------------- Original message -------------- > From: "rob van der Es" <r.vdes@xxxxxxxxxxxxxxx> > > >> 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" >>> >>> >>> >>>> 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 >> ----------------- 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