The Ford Barn - View Single Post - Let's start a junkyard fuel injection discussion

Ken Henry · 03-05-2021, 01:11 PM

I'm not familiar with tuning the GM ECU but my Megasquirt installation doesn't use a knock sensor and, with the low compression ratio of most flatheads, I doubt you there would be much advantage to using one. Advance at WOT should increase from around 5* at 500 rpm to 20-22* at 2000 rpm and above.

03-05-2021, 01:11 PM	#57
Ken Henry Senior Member Join Date: Jul 2010 Location: Rochester, NY Posts: 266	Re: Let's start a junkyard fuel injection discussion I'm not familiar with tuning the GM ECU but my Megasquirt installation doesn't use a knock sensor and, with the low compression ratio of most flatheads, I doubt you there would be much advantage to using one. Advance at WOT should increase from around 5* at 500 rpm to 20-22* at 2000 rpm and above.