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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>The Nick</b> <br /><small>Member # 2244</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(2003,3,23,18,49,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> Hey guys... I've got the FP set at about 40 at idle and it stills seems to be running rich. It backfires every once in a while and spits out smoke when I go WOT. I'm running #24ers with TFS TW heads, Street Heat intake, and stage 1 cam. Anyone have any suggestions as to what to set the FP at? Thanks! <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>HungryHippo</b> <br /><small>Member # 537</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(2003,3,23,19,18,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> try dropping it to 38psi and see if it helps at all <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>Chico Stang</b> <br /><small>Member # 801</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(2003,3,23,19,34,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> </font><blockquote><font size="1" face="Verdana, Arial">quote:</font><hr /><font size="2" face="Verdana, Arial">Originally posted by HungryHippo:<br /><strong>try dropping it to 38psi and see if it helps at all</strong></font><hr /></blockquote><font size="2" face="Verdana, Arial">lol...thats what I would have said.<br /><br />If the car is running rich, cut back on the fuel..thus drop the FP. <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>66 AC COBRA</b> <br /><small>Member # 904</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(2003,3,23,20,43,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> check with the vacuum off, with vacuum off i would say about 44<br />on my cobra, i have gt40z heads and a holley intake, e303 cam, and 24's, i am running 37psi vacuum on, 43psi vacuum off and the a/f ratio on dyno was average around 13.5, u should have more power so a little more fuel could help <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>Black94 5.0</b> <br /><small>Member # 655</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(2003,3,23,23,58,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> I would try adjusting your timming....If your running rich advance your timming..The richer you are the less your going to detonate.. <img border="0" title="" alt="[Big Grin]" src="biggrin.gif" /> <br /><br />If your car is backfiring its becuase you have the wrong timming and/or you have an exhaust leak somewhere...<br /><br />The best way to check you fuel pressure is on the Dyno with a wide band O2...Its only $60 and worth it, just so your not guessing your fuel pressure. <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>st5150</b> <br /><small>Member # 51</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(2003,3,24,1,11,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> I agree with putting it on the dyno with a wide band instead of guessing and checking. Make sure you don't have a mechanical problem like a vacuum leak, ect as well.<br /> <br /> <small>[ April 24, 2003, 01:13 AM: Message edited by: st5150 ]</small> <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>shade-tree</b> <br /><small>Member # 298</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(2003,3,24,1,21,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> I have a similar combo (TFS TW heads, Anderson cam, performer rpm intake) and best power seems to be ~ 37 PSI vac-off with <b>30#'ers</b><br /><br />are you setting 40 PSI vac-off? that's the standard. 40 PSI vac-on is closer to 46 PSI vac-off. <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>CustomFastbackCA</b> <br /><small>Member # 1369</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(2003,3,24,9,12,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> </font><blockquote><font size="1" face="Verdana, Arial">quote:</font><hr /><font size="2" face="Verdana, Arial">Originally posted by shade-tree:<br /><strong>I have a similar combo (TFS TW heads, Anderson cam, performer rpm intake) and best power seems to be ~ 37 PSI vac-off with <b>30#'ers</b><br /><br />are you setting 40 PSI vac-off? that's the standard. 40 PSI vac-on is closer to 46 PSI vac-off.</strong></font><hr /></blockquote><font size="2" face="Verdana, Arial">Word <img border="0" alt="[patriot]" title="" src="graemlins/patriot.gif" /> <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>99gt-UJSTLST</b> <br /><small>Member # 584</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(2003,3,24,9,15,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> </font><blockquote><font size="1" face="Verdana, Arial">quote:</font><hr /><font size="2" face="Verdana, Arial">Originally posted by The Nick:<br /><strong>Hey guys... I've got the FP set at about 40 at idle and it stills seems to be running rich. It backfires every once in a while and spits out smoke when I go WOT. I'm running #24ers with TFS TW heads, Street Heat intake, and stage 1 cam. Anyone have any suggestions as to what to set the FP at? Thanks!</strong></font><hr /></blockquote><font size="2" face="Verdana, Arial">yea my bro had the same problem <br />with backfires, when we talked to byron he said it was lack of fuel<br />well once he dynoed his car it all went away<br />I guess the car was runing lean couseing it to bcack fire <br /> </font> </td></tr> </table></td></tr></table> <br /> <br />
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