63 Avanti super charged

[IdahoBen]

Putting together a 63 that was started by a friend that has passed away.   Almost all is new and looks to be R3.  I am at a loss as to the purpose of this plate other than as a place for the alternator bracket.

[mfg]

That makes two of us!!

[Leo B]

Should be like this. 
That looks like a solution of its own.