Thermoquad

Great to see a TQ 'kick ***'. Should be more of it!!!!!
The holes you are refer to in the choke tower. Are they the ones that intersect with the front two bowl screws? If so, they are for bypass air. Pretty sure these started with the 9000 series, haven't seen them on any 6000 series that I have hasd.

I agree. I love them. I've been thinking of whippin one up for my slant six.