Octane and knock

JohnnyP · 04-08-2008, 01:30 AM

The results from our Vampire test on an F150 HD show that a drop of two octane points requires 16?? of retard to quell the resultant knock at low RPM.

Very easy to see now why a load of sub par fuel can destroy an engine with a "safe tune".

Vampire knock controller rules!!!

JohnnyP · 04-16-2008, 09:05 AM

Here's a clip showing the Vampire knock controller in action on Stew's F150:

http://www.lightningrodder.com/forum...8969#post38969

04-08-2008, 01:30 AM	#1
JohnnyP Member Join Date: Jan 2008 Posts: 35	Octane and knock The results from our Vampire test on an F150 HD show that a drop of two octane points requires 16?? of retard to quell the resultant knock at low RPM. Very easy to see now why a load of sub par fuel can destroy an engine with a "safe tune". Vampire knock controller rules!!!

04-16-2008, 09:05 AM	#2
JohnnyP Member Join Date: Jan 2008 Posts: 35	Video clip showing Vampire in action on F150 Here's a clip showing the Vampire knock controller in action on Stew's F150: http://www.lightningrodder.com/forum...8969#post38969