Stage 1 V8

You used a vacuum gauge to set the timing? The pulley has gradual increments and the distributor has micrometer adjustment. So setting statically is quite effective. If the inlet manifold is leaking it will be sucking from atmosphere or at worst sucking coolant. Pressure test cooling system or run w...

Looks like overpriced bangers destined for the States:

https://www.gumtree.com.au/s-ad/goulbur ... 1233633156

Some of it depends on precisely which model it is.
Middle row can be one folding bench or a 1/3-2/3 split.
Third row can be two folding benches or four individual folding seats. Plus all the trim panels and window frames.

They're clearly illustrated in your parts list, otherwise google the part number for a picture.

If you just fit the probably missing wooden/fibre pads you might find they will be in the right place.

Looks right.
Is your servo working so you're actually receiving peddle assistance?

Did you adjust the screws that control the angle of the shoes and make sure the fibre pads (tips) were on the end of those screws?

RH manifolds are cheap and plentiful throughout the world, the opposite condition to LH. So if your RH will bolt up to the LHS... The flange ring on the engine pipe is a loose fit, so if all clears the chassis... One from a P6B could suffice however you would need a custom length engine pipe as the ...

Have you tried offering the RH manifold to the LHS? Potentially it's only the flange ring position that's different.

I went for the big member at the rear of the box which in factory format is scalloped to suit the exhaust regardless of model or market. The front pipes however pass over the detachable member below the bell housing. Either way you can't really get it wrong as the pipes won't stretch to an alternate...