Yes, I sort of did the same, gutting the 3EE to keep the ‘look’… but instead of going with a small battery inside it, I left the battery case empty and relocated a Group 24 to the trunk,
Good idea, MFG..... I'll keep that in mind..
The acquaintance I know modifying the 63 Avanti will likely go into full ground effects and spoilers., so there are those out there totally modifying these cars. That takes on total modifications to the fiberglass. To me, to make sense out of all He's doing He likely picked up His Avanti on the cheap..I never asked Him about the specifics of that.