Quick note about PowerVision tune files from DJ or FuelMoto

[Sloufoot]

It wouldn't hurt to check for any knock activity, at times there can be some knock without it being audible.

The guy who this piston belonged to never heard the knock, until it trashed the piston. He was lucky the piston is forged, a stock cast piston can crack.

View attachment 26469

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[scooterbum46]

Just a follow up - the hi knock count on the front cylinder that I was chasing is cured - swapped plugs back to front and the hi count moved to the back. New plugs and everything looks normal (2500 miles on the old plugs). When it was doing the knock sensing on the front, it was pulling timing. Gotta love tools like the PowerVision that show you more of what the ECM is seeing!

:clapping:

 

[HarleyPap57]

Guess I really need to do some reading on using the PV. I ran the AT before we left for Savannah, saved it and then flashed the new one but could not get it the flash the tune again. After reading this though I did check my speedo and odometer and they are with 0.3 miles after 20 miles. Once I figure how your doing yours I may try to get it closer. Love reading your threads..ThumbUp