Thank you. The dimensions in the workshop manual are only those for checking the trueness of the chassis, rather than a complete set for fabricating (or, in my case, modelling) the chassis.
Obviously if I can’t get a hold of what I seek then I...
I'm wondering if anyone has a CAD model of a Series chassis? Or perhaps an original engineering drawing that I could build a CAD model from? Wanting to explore the behaviour of various modifications, and would prefer not to have to start from...