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FMU calibration 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>ShowRoomStang</b> <br /><small>Member # 1713</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(2002,7,20,1,1,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> i have an A trim vortec and i have the 19#lb injector fmu calibration but i have 24#lb injectors... is it really necissary to get the right callibration? cuz i blow a fair amount of black smoke right now and is this making me slower by having the wrong calibration? also i have stock heads and REALLY want new ones but dont know what to buy... i have an E cam, Eddlebrock rpm upper and performer lower, #24 injectors, 5psi charger, and about every bolt-on...what heads would be best 4 me??? <img border="0" title="" alt="[Confused]" src="confused.gif" /> <img border="0" alt="[patriot]" title="" src="graemlins/patriot.gif" /> <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(2002,7,20,1,54,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> Yes, your FMU is spiking up the fuel pressure too much and causing you to run rich under boost. This is costing you HP. You shouldn't have a problem finding a 19 lbs FMU, many people have them lying around after they've upgraded. Some TFS Twisted Wedge heads and a power pipe will really wake your 5.O up! <br /> </font> </td></tr> </table></td></tr></table> <br /> <br />
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