The 1994-1995 Mustang Cobra's.
240hp 285lb/ft Weight 3354 lbs. Your '92 has an auto, it probably weighs in between 3100-3150 lbs.
GT-40 Iron heads
Cobra Intake
Cobra Cam (not real great)
Cobra Roller Rockers
24lb Injectors
Cobra Computer (god awful)
The Cobra's do not have many options. Most everything comes standard on them, they are not availible with an auto tranny. Tranny is a Z spec T-5 I believe, except the R which got a tremec.
Here is a link to the nada website to price one out.
http://www2.nadaguides.com/GlobalFra...=1008&Letter=F
Just select the year you want to search at the top.
As you may guess the Cobra's respond very well to modification. The first thing you should do is junk that shitty computer. I think you should be able to get a Pro-M MAF for a GT, have it calibrated for 24lb injectors and slap a GT computer in there. That'll really wake it up. Put some better exhaust on it, cold air induction, some 3.73's and it should be in the mid-low 13's with traction. Stock you should be able to pull mid low 14's.