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<DIV><FONT face=Calibri>I have found that the life of rubber bushings varies
greatly depending on application and materials, lower inner suspension bushings
on the front suspensions of TRs and Big Healeys, have been known to be doing
yeoman's service on the cars from new til now (they are usually rusted on and a
pita to replace as well). The upper inners on the TR4-6 don't seem to last
nearly as long.</FONT></DIV>
<DIV><FONT face=Calibri></FONT> </DIV>
<DIV><FONT face=Calibri>I have polyurethane on the upper front inners of my
TR250, they didn't appear to be wearing out when I took them out for re-lubing
this year, after about 4-5 years of use that had gotten very squeaky (but lots
of silicone grease and they are very quiet again).</FONT></DIV>
<DIV><FONT face=Calibri></FONT> </DIV>
<DIV><FONT face=Calibri>I have heard that polyurethanes can wear out from
friction, and they will pivot instead of flexing in many if not most
applications, but I haven't experienced it on many of my cars.</FONT></DIV>
<DIV><FONT face=Calibri></FONT> </DIV>
<DIV><FONT face=Calibri>Greg Lemon</FONT></DIV>
<DIV><FONT face=Calibri></FONT> </DIV>
<DIV><FONT face=Calibri></FONT> </DIV>
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<DIV><BR></DIV>
<DIV style="BACKGROUND: #f5f5f5">
<DIV style="font-color: black"><B>From:</B> <A title=triumphstag@gmail.com
href="mailto:triumphstag@gmail.com">Sujit Roy</A> </DIV>
<DIV><B>Sent:</B> Monday, April 6, 2015 6:27 PM</DIV>
<DIV><B>To:</B> <A title=triumphs@autox.team.net
href="mailto:triumphs@autox.team.net">Triumphs</A> </DIV>
<DIV><B>Subject:</B> [TR] What's the general life expectancy for rubber bushes
for LBCs?</DIV></DIV></DIV>
<DIV><BR></DIV>
<DIV dir=ltr>
<DIV class=gmail_signature>I changed them 14 years bac on my Stag This were the
days before I heard about polyurethane.</DIV>
<DIV class=gmail_signature><BR></DIV>
<DIV class=gmail_signature>Are polyurethane bushes really fit and forget?</DIV>
<DIV class=gmail_signature><BR></DIV>
<DIV class=gmail_signature><BR></DIV>
<DIV class=gmail_signature><BR></DIV>
<DIV class=gmail_signature><BR></DIV>
<DIV class=gmail_signature>Sujit</DIV></DIV>
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