Fastest/ most powerful slant six?

I have run 10.50s at 128 mph with a 80 shot.11.42 na at 117 mph.Mark

your race video against the mustard duster is in this thread. looks like you beat him too, 11.56 to his 11.64
[ame]https://youtu.be/OSAibrcSXlw?t=223[/ame]