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E303 and valve spring question??
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<table border="0" cellpadding="1" cellspacing="1" width="99%" align="center"> <tr bgcolor="#000000"><td> <table border="0" width="100%" cellpadding="3" cellspacing="0"> <tr bgcolor="#000099"> <td colspan="2" align="left"> <font size="2" color="#ffffff" face="Verdana, Arial"> <b>T O P I C R E V I E W</b> </font></td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>Howdy</b> <br /><small>Member # 3099</small> </font></td> <td width="82%"> <font size="1" face="Verdana, Arial"> <img src="https://californiafords.com/ubb/posticon.gif" border="0" alt=" - " /> posted <script language="JavaScript1.3" type="text/javascript"> document.writeln(timestamp(new Date(2004,7,17,12,31,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> What valve springs are people running with their E cam? Stock springs? I bought some ported E7's and had them checked out and the aftermarket Manley springs that were on there are close to 400lb's per inch. Probably too much for this cam. Since I have to get new springs what is everyone else running with this cam? Thanks <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>section525</b> <br /><small>Member # 2819</small> </font></td> <td width="82%"> <font size="1" face="Verdana, Arial"> <img src="https://californiafords.com/ubb/posticon.gif" border="0" alt=" - " /> posted <script language="JavaScript1.3" type="text/javascript"> document.writeln(timestamp(new Date(2004,7,17,16,50,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> I'm using FMS Valve Springs FMS-M-6513-A50 <img border="0" title="" alt="[Cool]" src="cool.gif" /> <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>Howdy</b> <br /><small>Member # 3099</small> </font></td> <td width="82%"> <font size="1" face="Verdana, Arial"> <img src="https://californiafords.com/ubb/posticon.gif" border="0" alt=" - " /> posted <script language="JavaScript1.3" type="text/javascript"> document.writeln(timestamp(new Date(2004,7,17,18,45,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> Thanks for the heads up. I was looking at those springs and thinking of going that direction of more of a stock replacement. Are you running the GT-40 heads or the E7's?<br /> <br /> <small>[ August 17, 2004, 06:47 PM: Message edited by: Howdy ]</small> <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>section525</b> <br /><small>Member # 2819</small> </font></td> <td width="82%"> <font size="1" face="Verdana, Arial"> <img src="https://californiafords.com/ubb/posticon.gif" border="0" alt=" - " /> posted <script language="JavaScript1.3" type="text/javascript"> document.writeln(timestamp(new Date(2004,7,17,18,59,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> GT40-Ps. <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>Cobra P51</b> <br /><small>Member # 3987</small> </font></td> <td width="82%"> <font size="1" face="Verdana, Arial"> <img src="https://californiafords.com/ubb/posticon.gif" border="0" alt=" - " /> posted <script language="JavaScript1.3" type="text/javascript"> document.writeln(timestamp(new Date(2004,7,18,15,27,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> I am running HD Manley springs with my E303 cam & 1.7 Cobra rockers. FWIW, I have heavily ported/polished/decked GT-40Y alum heads. <br /><br />125# closed (seat) pressure<br />375# open pressure<br /><br />My engine revs cleanly to 6K RPM with the above setup.<br /><br />Personally, I wouldn't run the stock GT40Y springs with the E303 & the 1.7s...not enough spring pressure.<br /><br />Regards,<br />Sean L.<br /> <br /> <small>[ August 18, 2004, 03:31 PM: Message edited by: Cobra P51 ]</small> <br /> </font> </td></tr> </table></td></tr></table> <br /> <br />
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