<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;"><DIV>Thanks Jack,</DIV>
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<DIV>I was aware that the umbrellas were junk. But the two styles of teflon and the possibility of modified valve guide diameter sends me off in the right direction. As to cost, it's only money and it can't be used in the hereafter.</DIV>
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<DIV>Bud #3400</DIV>
<DIV> </DIV>
<DIV><BR><BR>--- On <B>Sun, 5/1/11, JDeRyke@aol.com <I><JDeRyke@aol.com></I></B> wrote:<BR></DIV>
<BLOCKQUOTE style="BORDER-LEFT: rgb(16,16,255) 2px solid; PADDING-LEFT: 5px; MARGIN-LEFT: 5px"><BR>From: JDeRyke@aol.com <JDeRyke@aol.com><BR>Subject: Re: [<SPAN><SPAN>DeTomaso</SPAN></SPAN>] Best Cleveland Valve Stem Valve Seal ??<BR>To: b.hower3400@yahoo.com, detomaso@realbig.com<BR>Cc: tpr@teampanteraracing.com<BR>Date: Sunday, May 1, 2011, 7:00 PM<BR><BR>
<DIV class=plainMail>In a message dated 5/1/11 5:32:11 AM, <A href="http://us.mc1101.mail.yahoo.com/mc/compose?to=b.hower3400@yahoo.com" ymailto="mailto:b.hower3400@yahoo.com">b.hower3400@yahoo.com</A> writes:<BR><BR>> I need inputs on what is the present best valve stem seal and pt # of <BR>> same for 351C.<BR>> <BR>I like 100% teflon seals (like Perfect Circle) that sell for about $1.50 <BR>apiece thru Summit, Jegs and most speed and engine shops. There are other <BR>slightly cheaper seals in which only a ring around the valve stem is teflon with <BR>the rest being neoprene. They are a litle easier to install. With valve <BR>stem seals that snap tightly onto the end of the guides, you need to know what <BR>size guides the engine has. Stock was the 0.530" but many performance en<BR>gines have had the guide ends cut down to 0.500" because the bigger seals will <BR>not fit inside some performance valve spring sets. <BR>The ones included free in
overhaul gasket sets are umbrellas that do not <BR>seal, only keep 'rain' from falling on the guides and do not belong on a <BR>performance engine. The neoprene hardens over time in the hot oil, shatters and <BR>falls into the pan to jam up oil pump rotors & score pump housings. Here's an <BR>instance where you get what you pay for, and umbrellas are free.... My 2¢- <BR>J DeRyke<BR>_______________________________________________<BR><BR>Detomaso Forum Managed by POCA<BR><BR>Archive Search Engine Now Available at <A href="http://www.realbig.com/detomaso/" target=_blank>http://www.realbig.com/detomaso/</A><BR><BR>DeTomaso mailing list<BR><A href="http://us.mc1101.mail.yahoo.com/mc/compose?to=DeTomaso@list.realbig.com" ymailto="mailto:DeTomaso@list.realbig.com">DeTomaso@list.realbig.com</A><BR><A href="http://list.realbig.com/mailman/listinfo/detomaso"
target=_blank>http://list.realbig.com/mailman/listinfo/detomaso</A><BR></DIV></BLOCKQUOTE></td></tr></table>