TB size for S-trim 5.0L recommendation?

[drudis]

What size TB to get? Read the 3 posts:
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Background: Currently have a 5.0L with a Vortech S-trim
that makes 330rwhp. Has 80mmMAF, 30# injectors with
custom chip, Cobra intake, and 1-5/8" longtubes...

My (winter) motor mods are to replace stock heads
with TFS TW heads, new 36# injectors, reprogram the
chip, looking for a conservative 400rwhp all under
6000rpm for my roadracer.

Would like to add a new TB and EGR spacer.
What size 65 / 70 / 75 ? ...and why that size?

What I have found (data reputable?):
Meter----Size----FlowRate@28in
Stock----58mm----606cfm
Cobra----70mm----815cfm
ProM----Bullet---964cfm
C&L------73mm----1171cfm
C&L------80mm----1415cfm
Ford-----80mm----1017cfm
Ford-----80mm----1200cfm <--- MY Pro-M ported/flowed
ProM-----83mm----1598cfm

Throttle Bodies
Size----Make-----CFM@28in
60mm---Ford-------526cfm
65mm---Accufab----616cfm
70mm---BBK--------726cfm
75mm---Accufab----845cfm
90mm---Accufab----1190cfm