So first instincts were right.
Loosely based on the 1100/1300 .
Running gear, chassis , cab.
Triumph dol/2000 boot light cluster's etc .
Restyled front, similar to the Allegro.
No joking matter I'm sure and have been fortunate to never suffer although an old drinking partner did .
Imagine if you could get it in the todger.
That would bugger you up .🤔🙄