looking for vin LM29H2B421179 demon Chicago

my buddy was was going to go for this years back when he was restoring his demon but life set him back I had it put away for when he got back on his feet but it got hit by a tornado when it came into rockford years back and turn it into parts car that was sad day when I seen it. We did a lot of street racing with it (Webster/Elston) Fulton st and the Incenators Chicago/ Cicero . WOW TIME GOES BY FAST!