<html><head></head><body bgcolor="#FFFFFF"><div>Hey LS,</div><div>Sounds like your knock sensors are not doing their job, this Ford system is designed not to allow pings. Hook up a scanner and drive and reproduce the flaw and note rpm/ignition advance degrees at your flawed load manifold pressure. Remap the ecu only after a knock sensor function test is done so as to identify what is wrong because something is. Then after knowing and fixing the flaw then water/alcohol injection can be used for a smarter power increase. Of course an intercooler is the best plan, heck a low amount of fogged nitrous will also cool the intake track for a much quicker dynamic cool down under light positive load. Use a Jacobs programmer and set your nitrous spray curves. </div><div>Get in touch with the Kenny Bell company as this maybe an inherent flaw in this Ford application and they know the fix protocol.</div><div>Hope this helps,</div><div><br></div><div>Jeff</div><div><br>Jeff Cobb- I pad<div>W-225-343-7525</div><div>C-225-907-4514</div><div><br></div><div>Jeff Cobb Auto Works</div><div>1316 S. Acadian Thruway</div><div>Baton Rouge, La.</div><div>70806</div><div><br></div><div><a href="http://www.LiveOakConcours.org">www.LiveOakConcours.org</a></div></div><div><br>On Jan 7, 2014, at 4:42 PM, LS <<a href="mailto:lashdeep@yahoo.com">lashdeep@yahoo.com</a>> wrote:<br><br></div><div></div><blockquote type="cite"><div><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt"><div><br><!--[if gte mso 9]><xml>
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<div class="MsoNormal"> </div>
<div class="MsoNormal">I don’t even like golf…but need some input.</div>
<div class="MsoNormal"> </div>
<div class="MsoNormal">On long uphill (high load) sections of road, under moderate
throttle openings and when the supercharger goes into positive boost, the
engine starts to ping. This will happen only when in overdrive and with revs
below 2000rpm.</div>
<div class="MsoNormal"> </div>
<div class="MsoNormal">Vehicle : Laforza Magnum GT, 5300 lbs</div>
<div class="MsoNormal"> </div>
<div class="MsoNormal">Engine : 5.0 HO with factory Kenne Bell supercharger, no
intercooler and cast iron heads.</div>
<div class="MsoNormal"> </div>
<div class="MsoNormal">Trans: AOD 4spd</div>
<div class="MsoNormal"> </div>
<div class="MsoNormal">Fuel : 93 Octane</div>
<div class="MsoNormal"> </div>
<div class="MsoNormal">Elevation : Sea Level up to 1000’</div>
<div class="MsoNormal"> </div>
<div class="MsoNormal">Water Temp : Never exceeds 195F during the “situation”</div>
<div class="MsoNormal"> </div>
<div class="MsoNormal">To remedy the situation, I have adjusted the trans to
kickdown sooner and have also retarded timing. This has helped but not
eliminated the problem.</div>
<div class="MsoNormal"> </div>
<div class="MsoNormal">Any thoughts on permanent solutions?</div>
<div class="MsoNormal"> </div>
<div class="MsoNormal">Aluminum heads? Intercooler?</div>
<div class="MsoNormal"> </div>
<div class="MsoNormal">I’ve heard the full spectrum of ideas so I thought I’d post
it here for discussion.</div>
<div class="MsoNormal"> </div>
<div class="MsoNormal">I want loads of power (who doesn’t?) but I want to eliminate
this problem ASAP so I can get many more decades out of this powertrain. </div>
<div class="MsoNormal"> </div>
<div class="MsoNormal">Thanks,</div>
<div class="MsoNormal">LS</div>
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