Anybody run a Thermoquad at hi altitude?

Am looking at running my car at Bandimere next month and curious if there's anything required to make the TQ's secondaries work as well up there as it does at 1000' alt. I'm presuming an air door adjustment will be all that's required, if anything, to make it operate correctly, but admit I do not have the vaccum pot attached to control door opening and haven't had one in the 12 years I've run the carb both on the original 360 and now on the 440. Alternative is the carb I've been running for about half of this year, a 3310 Holley with its adjustable secondary opening springs.

9.5" Dynamic converter, 3.55 gears (I could put 4.30s back in and just might do that) and 28x9 slicks, car turns a 1.7 60' in bad air, 1.65 when all is perfect.

I've got a wideband A/F meter to tune the mixture, just looking for any potential issues with the secondary door operation.
Author: BelvedereII