The Ford Barn - View Single Post

JSeery · 11-10-2019, 06:31 PM

I think you want the vacuum brake hooked up. Bubba claims to see a difference in the stability on a scope. The vacuum brake was originally for help with ignition ping, it slows the rate of advance I believe.

11-10-2019, 06:31 PM	#4
JSeery Member Emeritus Join Date: Nov 2012 Location: Wichita KS Posts: 16,132	Re: spark knock under load I think you want the vacuum brake hooked up. Bubba claims to see a difference in the stability on a scope. The vacuum brake was originally for help with ignition ping, it slows the rate of advance I believe.