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2.3 to 5.0 swap questions
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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>street_illegal_stang</b> <br /><small>Member # 1554</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(2009,6,12,0,56,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> Hi,<br />I'm helping out a friend on a budget do a 5.0efi swap to his 88lx coupe.<br />We're wondering if the stock 2.3 fuel pump will work okay;are they the same 88lph pump?<br /><br />Will the alternator wiring need to be swaped from a 5.0 car? <br /><br />Fuel relay the same?<br /><br />is the ecu relay the same? the relay next to the cpu located at the passenger kick panel.<br /><br />Is the coil is the same?<br /><br />Thank for the help <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>phat50</b> <br /><small>Member # 1998</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(2009,6,12,1,21,0), 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 street_illegal_stang:<br /><strong> Hi,<br />I'm helping out a friend on a budget do a 5.0efi swap to his 88lx coupe.<br />We're wondering if the stock 2.3 fuel pump will work okay;are they the same 88lph pump?<br /><br />Will the alternator wiring need to be swaped from a 5.0 car? <br /><br />Fuel relay the same?<br /><br />is the ecu relay the same? the relay next to the cpu located at the passenger kick panel.<br /><br />Is the coil is the same?<br /><br />Thank for the help <img border="0" alt="[patriot]" title="" src="graemlins/patriot.gif" /> </strong></font><hr /></blockquote><font size="2" face="Verdana, Arial">Not sure if its the same 88lph pump but i drove for a while with a stock 2.3 pump.<br /><br />With the alt wire, i just made mines reach, never had a problem.<br /><br />Fuel Relay should be the same, never changed mine. ecu relay, i just used the one that came with the 5.0 harness.<br /><br />Not sure about the coil, should be the same, i used a msd one tho. <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>street_illegal_stang</b> <br /><small>Member # 1554</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(2009,6,12,1,22,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> Thank bro,<br />thanks some good info <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>Blind</b> <br /><small>Member # 3052</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(2009,6,12,1,28,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> fuel relay depends on the year, the one on my `89 was a dummy box and I had to swap the one from my donor car over, it's located under the drivers seat on my car, it moved to the engine bay and ECU harness on 92+ cars<br /><br />coil is the same<br /><br />alternator/headlight harness is easier to swap if you have a donor one IMO, really easy.<br /><br />the pump might be the same but the fuel lines are totally different, I just swapped the gas tank and lines from my donor car over and didn't worry about it. <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>91fox</b> <br /><small>Member # 7842</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(2009,6,12,2,10,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> just try and match the harness from your friends car with what ever doner car because of variations in the electrical from 87-93 and if you can swap out the differential/brakes with V8 stuff. <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>street_illegal_stang</b> <br /><small>Member # 1554</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(2009,6,12,2,20,0), 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 Blind:<br /><strong> fuel relay depends on the year, the one on my `89 was a dummy box and I had to swap the one from my donor car over, it's located under the drivers seat on my car, it moved to the engine bay and ECU harness on 92+ cars<br /><br />coil is the same<br /><br />alternator/headlight harness is easier to swap if you have a donor one IMO, really easy.<br /><br />the pump might be the same but the fuel lines are totally different, I just swapped the gas tank and lines from my donor car over and didn't worry about it. </strong></font><hr /></blockquote><font size="2" face="Verdana, Arial">I don't have a donor car,<br />But we do have most of the things to get it going.<br />The car is a 1988 lx mustang 2.3 coupe<br />I think the fuel relay is under the driver seat and green/black. is that the same as 5.0?<br /><br />We plan to reuse the 2.3 fuel tank assembly.<br /><br />we also plan on replacing all the fuel lines with 5.0 fuel lines. <br /><br />I'm gonna try the 2.3 harness for the alternator for now... I do have a harness from a wrecked 89 gt, but we noticed it was cut in half when freeing up the hood from the smashed core support. I guess I can patch it up.<br />Blind,<br />Thanks for telling me about the coil.<br /> <br /> <small>[ July 12, 2009, 02:31 AM: Message edited by: street_illegal_stang ]</small> <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>street_illegal_stang</b> <br /><small>Member # 1554</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(2009,6,12,2,27,0), 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 91fox:<br /><strong> just try and match the harness from your friends car with what ever doner car because of variations in the electrical from 87-93 and if you can swap out the differential/brakes with V8 stuff. </strong></font><hr /></blockquote><font size="2" face="Verdana, Arial">We swaped in a 8.8" with 3:73's and moser axles<br /> with all the rear brake lines changed out to v8 spec. for a start.<br /><br />We dont have a donor car, but lucky enough after all 8 or so years, we managed to have most of the parts laying around taking up space.<br /><br />We picked up this 88LX coupe for $350 at a local police auction.<br />Thank you all for the support <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>Blind</b> <br /><small>Member # 3052</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(2009,6,12,3,55,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> the fuel pump relay under the seat on my `89 was an empty box, I had to use one from a v8 to get the fuel pump to kick on, I think the 4cyl ECU harness had the actual fuel pump that was used on my car, similar to the later 92+ v8 harness style <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>514 Mullet</b> <br /><small>Member # 7402</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(2009,6,14,13,12,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> Alternator wiring is in the headlight harness from a V8 car. It can also simply be extended.<br />Relay will be the same and located in the engine bay. Not sure what you are asking about with the computer relay. Its on the engine harness itself from a V8 car by my memory. Anything else down there is plug and play. Coil is the same. Fuel pump is the same for 4 or 8 cylinder cars. <br /> </font> </td></tr> </table></td></tr></table> <br /> <br />
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