Yes you do get alot from it, The car will run alot better the comp will co an side with the motor i have seen ppl pick up 60hp from it..You only get good HP if you have sum good mods done.Sum of the other guys on here can tell ya more
302, gt40 heads with 1.6 RR, cam(not sure which one, i did not install), Professional products Upper and lower typhoon intake w/Throttle body, BBK adj. Fuel Regulator, #24 injectors, Accel 300+ ign w/coil, CAI with 73mm MAF, Smog delete, Shorty headers, offroad X, 3.55's
Honestly, the gains from from a tune with your mods is not worth the money, the PCM in our cars is very adaptive to minor mods. I'd just drive it as is.
__________________
Death is my art and I'm about to paint my masterpiece.
Performance Dyno Concord NH or XX Tuning in Hartford CT would be the best places to make you the tune. No one better in New England than those 2 places. You would have to check on XX though, I don't know if he bothers with fox bodies anymore.