is the DUDE gonna have a problem?

Hear's the deal, The dude is getting ready to put a new 350 in his car. The cam is pretty big, and everyone recommended a TCI streetfighter 3000rpm torque converter. What kind of problems am I gonna have with my 2.73 geared pegleg rearend? (I am planning to put in a 12-bolt 3.73 posi, but THE DUDE is gonna have to save a little while longer!) At cruising speeds, the engine rpms are going to be below 3000 so what will happen? The tranny is a turbo 350 with a stage 2 shift kit, B&M deep pan, and a tranny cooler.

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Mark "THE DUDE" Skoch
1971 Malibu
(it's gonna be cool someday, really!)
THE DUDEMOBILE
Confucius say "Man with hand in pocket feel cocky all day"