I know there should a radius of 19 mm on the bottom of the dash, what about the top and the sides...
I want to use a Alu plate and cover it with faom and leather and fix it to the scuttle using allen head bolts, so there isn' t a radius on the top, is this a prob concerning sva

It's the standar radius as required for all other interior projections. Can't remember what that is but it's somewhere between 2.5-5mm. Someone will be along shortly with the correct figure