I'll have to check my 4 corner jet notes:
Don't remember a stagger.
dyno'ed 650lb-ft around 3800
tops about 5400

H beam
forged Ross
Edel heads
1.75 header-> 3" X
.5" lift custom cam
700+ rpm idle
493->11" centerforce->Hemi 4 spd->742 8.75 3.55
(Plans on a 3.54 Dana)

If you want info let me know, I'd have to get it.