Hi Alan, there is a photo of my carbs on page 1 of this thread. They are the ones with the K&N filters. I had the pots off yesterday and those numbers were embossed in the casting underneath not on tags.
I actually spoke to SU Burlen today. They identified the needles as only being used on the Rover SD1 2600 so we’re assuming that’s where the carbs originated from as well? They confirmed them as HS6. They confirmed the BEP needles are far too rich for a TR6 so I’ve ordered what they recommended. BAG needles, 100 thou jets and yellow springs.
it’s a bit of a hotch potch I’m afra