Terry was a North Shore car dealer for several decades...may still be trading. He rallied a hot 1310 on a weber in a lot of the big rally's the Nanny State once had, like the Southern Cross Rally.
I "worked" (well I had a good attendance record

for an associate of Terry's who often had the Mini at his place. There was a really steep hill that was the dyno. The fella took me along for ballast a few times, peg 8 grand in 1, then 2 and see if it would achieve that smoothly and quickly...
https://www.newspapers.com/newspage/120547142/