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Weird stuff on the Dyno
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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>twstd5o</b> <br /><small>Member # 1981</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(2004,11,10,15,12,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> Have any of you ever experienced weird syptoms on the dyno but not on the street? My car can rev way past 5500 rpms on the street with ease but struggles on the dyno. It was fine on the way over to the dyno. On the dyno it struggled. Took it off the dyno and went around the block with the tuner and it was fine again... <img border="0" title="" alt="[Confused]" src="confused.gif" /> <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(2004,11,10,15,39,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> depending on the dyno, the roller brake might be putting more of a load on the car than on the street <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <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(2004,11,10,15,55,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> or the dyno operator was doing something wrong, which has happened before<br /><br />where did you guy<br /><br />if it was know place then i doubt it was operator error, so i dont know<br /><br />either way your combo should be able to go above 5500 on the dyno<br /><br />the motor in my cobra has less power than your motor by quite a bit (not for long <img border="0" title="" alt="[Razz]" src="tongue.gif" /> ), and it went to 6400 no problem <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>twstd5o</b> <br /><small>Member # 1981</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(2004,11,10,16,33,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> I think it's time for a compression test and leakdown. Man I hope nothing is wrong with the motor. <img border="0" title="" alt="[Frown]" src="frown.gif" /> It's only 5500 miles old.<br /><br />I've heard the stock processors act up sometime. If the motors ok I guess I'll swap out the processor. <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>TRIXSNK</b> <br /><small>Member # 2844</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(2004,11,10,17,31,0), 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> depending on the dyno, the roller brake might be putting more of a load on the car than on the street </strong></font><hr /></blockquote><font size="2" face="Verdana, Arial">I would look down this path unless the operator was well know for running the dybo which wouldn't make much sense.<br /><br />Maybe just a simple mistake (human error)<br /><br /> <img border="0" title="" alt="[Confused]" src="confused.gif" /> <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>Mr JoCo</b> <br /><small>Member # 1549</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(2004,11,10,19,7,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> I heard this somewhere: Dyno's don't like Auto's <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>gt40</b> <br /><small>Member # 3587</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(2004,11,10,20,34,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> where did you have it dyno? <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>66 InjectedCobra</b> <br /><small>Member # 819</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(2004,11,10,20,40,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> LOL a dyno is twice as hard to spin when compared to just pulling gears down the street. It will take RPM's longer to pull up on a dyno everytime.<br /><br />What precentage of dyno brake was he using? Also who dynoed the car? What Shop?<br /><br />What power did it make? <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>Jeff S</b> <br /><small>Member # 371</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(2004,11,10,21,9,0), 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 66 InjectedCobra:<br /><strong> LOL a dyno is twice as hard to spin when compared to just pulling gears down the street. It will take RPM's longer to pull up on a dyno everytime.<br /><br />What precentage of dyno brake was he using? Also who dynoed the car? What Shop?<br /><br />What power did it make? </strong></font><hr /></blockquote><font size="2" face="Verdana, Arial">Actually you are incorrect if you are refering to any Dynojet or any load bearing dyno set to anything less than double the weight of the car. The Dynojet roller weighs only 2500 pounds. There is more of a load on a car when it is actually on the street compared to being on a Dynojet. <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>twstd5o</b> <br /><small>Member # 1981</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(2004,11,10,21,34,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> I'm not sure what percentage the dyno brake was set too. It was at DynoLabs. The tuner Ray has always done an excellent job on my car and is extremely fair when it comes to pricing. I've had better luck with him vs. Byron... <br /><br />It's funny cause when we test drove it after it crapped out on the dyno, we went up a hill and it felt pretty strong.<br /><br />I don't even know the numbers from today as we kinda threw in the towel until the compression and leakdown tests come back. The previous numbers are in my sig. I was hoping for them to be a little more.<br /><br />After confirming that nothing is wrong with the motor, Ray and I are gonna hook up the data logger and drive it on the street to see how it reacts.<br /><br />The thing that's killing me is that I've been going to the track with the car acting like this and have had decent results. This lead me to believe that there wasn't anything major wrong with the car. <img border="0" title="" alt="[Frown]" src="frown.gif" /> <br /><br /><br /> </font><blockquote><font size="1" face="Verdana, Arial">quote:</font><hr /><font size="2" face="Verdana, Arial">I heard this somewhere: Dyno's don't like Auto's </font><hr /></blockquote><font size="2" face="Verdana, Arial">I've heard this before too...not sure if it's true or not. <img border="0" title="" alt="[Confused]" src="confused.gif" /> <br /><br />Thanks guys...Tony <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>CDT</b> <br /><small>Member # 5004</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(2004,11,10,22,33,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> dyno jets are usually really easy to spin, because they dont apply load other then the roller weight itself. <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>twstd5o</b> <br /><small>Member # 1981</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(2004,11,10,23,8,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> I'm gonna change my plugs again in the morning for one last ditch effort to get it running right. <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>Mr JoCo</b> <br /><small>Member # 1549</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(2004,11,11,3,1,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> who cares what it does on the dyno, I mean it doesn't do it on the street... that should tell u something, unless im drunk to make any sense of anything<br /><br />-cheers <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>twstd5o</b> <br /><small>Member # 1981</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(2004,11,11,9,8,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> I agree...what I was worried about was he was tuning the chip on the dyno. That why I wanted to run good on there so he could tune it to it's full potential. <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>twstd5o</b> <br /><small>Member # 1981</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(2004,11,13,13,7,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> Well I just had a leak down and compression test done. The motor seems fine:<br /><br />Compression - all cylinders measured 180 with exception of one that was 185.<br /><br />Leak Down - 5% with the exception of one that was 6%.<br /><br />What next??? <img border="0" title="" alt="[Confused]" src="confused.gif" /> <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>BlueOvalRacing</b> <br /><small>Member # 1531</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(2004,11,13,19,25,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> What speed are you showing in high gear at 5500 rpm? Depending on tire size, rear gear ratio (and speedo gear accuracy), you could be tripping the speed limiter. I have seen conflicting reports of the top speed limits of Mustangs. Maybe??? <br /> </font> </td></tr> </table></td></tr></table> <br /> <br />
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