A $1500 short block in this section will get you one from the short bus. Or a worn out one with a melted piston or 2. $3K is minimum.
OP, look for the teksid short block in the engine section of the cobra classifieds for a good short block. Not $1500, but a good deal on what it is.
Did you a favor and found it for you @Aaim415https://www.svtperformance.com/threads/forged-teksid-shortblock.1176606/