Im jealous I can't come close to that with my 540, good job.
Well it wasn't easy for him.
The first version of this motor was a turd the heads were to big (brodix 345)I tried to tell him but it was to late he already had them .
It ran 11.2s @ 119 .We changed the heads and mufflers. He had 3 chamber flowmasters and ran 10.4
27 the first night.