414 Dyno results: Missed combo?

Just for fun and to illustrate things a bit...
a graph showing the 414 and a stock Edelbrock-headed 408 that was recently dynoed at HRM.
Jesse, you built a freaking torque monster. Has more torque than anything I've seen or followed (or traced) in the last years.
I took the liberty to extend the curve on your engine down to 2500rpm for the sake of comparison.

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This is very cool you took the time to do this! To be fair that build in HRM is using unported and I bet unchecked (OOTB) Eddy's and manifold. Even this RPM Air-Gap needed a couple hours of port matching to be useable--I bet HRM didn't touch theirs. Their 408 is also over-cammed IMO which would explain the low tq. I will put a few litres of Av-gas in the tank tomorrow and pull it down to 2500 rpm and we will see how close you are. J.Rob