Front Seat Mounting 63 1/3 -2/3 seats

[thfcian]

Hi all sorry to be so dumb but I'm new to all of this.

I have a 63 sundial with 40/60 or 1/3 -2/3 front seats which I added after I bought it as previously it had some horrible Bug rear seat combo being used as a bench seat.

So this is what it looks like now:

My question is how are they supposed to be correctly mounted?

Should there be a base or should they sit directly on the metal as they do in the picture?

There is a bracket on the front of them that slots into a gap on the front of the base but nothing at the rear of the seats to stop them tipping forward.

Is that correct or should there be a bar and brackets at the rear/ top of the backrest? I have seen earlier bench seats had welded brackets on the inside of the van and a pole that ran along the back of the seats to hold them in place.

Please help even if I am asking a daft question.

Thanks,

Ian

[joe56vw]

drivers side has tracks for the seat to be adjusted
pass side has two hooks in front that work as a hinge to lift forward
only thing else they have are rubber pieces to sit so they are not metal to metal
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