[Mr70]

Later issued 2nd design looks like this.Notice less reinforcement in the same two triangle border areas.
The two rear insulation areas are different as well.

Yours being a March 2nd week asssembly,I wouldn't be surpried if it has this 2nd design hood.

I'm curious,see if your LS-5 is holding an unshaven #165 three core fan shroud too.