jrweiss- Hmmm... Are you talking 450 KIAS or 450 KTAS?

I doubt the T-2 will do 450 KIAS level in any configuration. Getting another
50
KIAS would likely require more thrust than any pair of J-85s could produce.
BRBR

I donno...the max was 385KIAS(??, it was 10 years ago)...and that was pretty
easy...I think an extra 65 knots was in there somewhere...

IIRC, the A-4C, which was a very
clean machine, supposedly could do 540 KIAS. The SuperFox would likely go
faster if the dorsal hump was absent. BRBR

The hump made the jet a little more stable at really high speeds(less 'dog
walk')...I had 3 A-4Ms with a lot of the stuff removed, but still had the
hump...great self starting jet...Sat up higher in the cockpit tho, for some
stuff under the seat, not as comfy as the A-4E/F/F+

The A-4M, with the larger hump and bubble canopy, would likely be slower
even
with the -408 engine. BRBR

Faster than the straight F(-8 engine), felt more sluggish than all of them,
slower than the F+...
P. C. Chisholm
CDR, USN(ret.)
Old Phart Phormer Phantom, Turkey, Viper, Scooter and Combat Buckeye Phlyer