Rainy Day Auto said the thing I need to find out because I keep getting different answers a 63 A-body only came from the factory with slant sixes ....Soooo to put a V8 in, would you need to modify the firewall or is it ok as is . someone said you need to dent the firewall in to clear the distributor on a small block and someone else said it's cool to go as is. which one is right?? Click to expand...