Ahhhh, I didn't notice you were from across the pond. I have some Mopar friends in Sweden and Auland Island that might be able to help you out with getting the measurements you need. PM me for their contact info.

1970 Plymouth 'Cuda #'s 440-6(block in storage)currently 493" 6 pack, Shaker, 5 speed Passon, 4.10's
1968 Plymouth Barracuda Convertible 408 Magnum EFI with 4 speed automatic overdrive, 3800 stall lock-up converter and 4.30's (closest thing to an automatic 5 speed going)