Brodix Race Rite Oval

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Im considering pulling my 781s off in favor of some aluminum heads. My current heads have 2.19/1.88 3/8s valves and just have exhaust bowls opened up.
This is a .70 over 454 @ 10:1 with the current setup(114cc head with a small Je dome). Anybody have any experience with the racerites? I have a lunati 402a7 288/296 255/263@ 50 .612/.630 solid flat tappet im gonna install with it. Rpm air gap 850 holley...made a tad over 500 on the engine dyno with the 781s and a comp xe284. In its current state it'll go 11.9x@111 on motor with a 1.70 60' 3.55 gear.