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What do you think my Horsepower will be?
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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>Nef</b> <br /><small>Member # 14602</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(2018,11,5,17,53,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> Hello, I just built a 289 for my 67 Cougar. I was wondering if anyone had a guestimate on how much horse power I would make. <br /><br />The parts in my build are:<br /><br />289 .30 over forged flat top pistons<br />Edelbrock 7122 RPM Performer Cam<br />Edelbrock RPM AirGap Intake<br />Quick Fuel 600 CFM Carb<br />GT40 Ported heads<br />Scorpion 1.6 Roller Rockers<br />Pertronix Distributor<br />Long Tube Headers<br />Manton Pushrods<br />Edelbrock fuel pump<br />Melling high vol oil pump<br />3.55 gears <br />C4 transmision with shift kit - poss T5 swap<br />Dual exaust straight back w flow masters 2 1/2 inch pipes<br /> <br /> <small>[ 2018-12-05, 05:59 PM: Message edited by: Nef ]</small> <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>*Als50*</b> <br /><small>Member # 6003</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(2018,11,5,20,51,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> 265Hp. <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>SLOWBACK 67</b> <br /><small>Member # 6348</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(2018,11,5,22,45,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> Just the engine or to the wheels? <br /><br />Engine 275ish<br />Wheels 246hp/320tq <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>Martinna</b> <br /><small>Member # 12493</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(2018,11,5,23,36,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> 260 to the wheels at 5600RPM. Post your dyno plot when you get it. <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>Blown93Snake</b> <br /><small>Member # 94</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(2018,11,8,13,40,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> Gonna hope the build goes well and motor rips. <br /><br />270rwhp. <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>wilit</b> <br /><small>Member # 3367</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(2018,11,8,21,51,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> The Shelby GT350 289 made a legit 306hp and that was with poor flowing heads. I looked up the HiPo 289 cam specs and the valve events are almost identical to the 7122, but the 7122 has a bit more lift. But the GT350 also made that power with a 715cfm carb and 10.5 compression (it had small 52cc chambers). I'm going to assume you're probably in the 9.5 compression range with the 60cc chambers of the GT40 heads. I think all in, you're probably going to be in the 340hp range at the crank. With the C4, that would probably put you around 272hp at the wheels. <br /> </font> </td></tr> </table></td></tr></table> <br /> <br />
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