Recommended starting point for jetting on Thermoquad

Honestly I wouldn't even waste your money on it.
Definitely wouldn't waste mine. Get yourself a Edelbrock avs2 or a Holley 4150.
There is nothing easier to make power & drivability than those 2.
I have 2 tq's that I'll put on my tunnel ram as soon as I build it but they'll just be for a street truck for looks and sound basically