I was woundering how much power i could go up to with my 7.5 rearend? If i ever get the money i want to have my motor rebuilt and put forged internals in it and supercharge it.
Built means reinforced and made as strong as possible.
If you are going to spend the cash on a S/C I'd look into your local junk yards and find a wrecked GT and get the 8.8" rear end off of one of those. They can be had for $300 or so. That way you won't have to worry about the 7.5" at all.
If you do stick with the 7.5" around 300hp is the max load IIRC.
PM Shinerstang. He knows all about what a 7.5" in a built V6 can handle.
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'01 Silver V6 5-Speed Show:17x8 Anthracite Bullitts w/Kumho 255-45s, spoiler, smoked headlights and fog lights, black LED 3rd brake light, Mach1 grill delete, Mach1 chin spoiler, splash guards, Hurst badge, chrome exhaust tips, carbon fiber bumper inserts, 8" antenna, black hood stripe, 232 badges, Ford Racing license plate frame (in the box: hood scoop, rocker stripes) Go: Divorced dual exhaust w/Original 40's, AM CAI, Hurst shifter, SCT 91+ Tuned
7.5" can handle up to 400HP properly built but there is no doubt the 8.8" is stronger. I would personally skip the 8.8" completely and built a custom 9" if I was going to swap out the rear.
Rear End Power Question 
