mgd_only

ok i know i should post this in a tech section but because this is the newbie area with the nice padded walls for the inexperianced in the parts of ford i have posted here and here is my problem i have bought a 1987 ford mustang 5.0 its a slush box though so i picked up this car as is it was some one elses project car so i pop the hood and i find out that the engines not the right one so i would like someones help in figuring out what engine it is thats between its frame rails
so heres some pics

by the way its carberated by the way i took it off if you didn't notice

so any help would be great

PennState

welcome!