My 93 GT, 5spd, Powerdyne 7lbs (9lb kit), FMU, stock fuel pump, exhaust, with 3.27 gears 12.77@111 with a 1.9 60ft.
Stock regulator is fine, no real need for an adjustable one unless you are trying to run 30lbers or something without an FMU and have to crank the FP.
Ive never used a BTM, you...