Originally posted by soubriquet
I know he was very successful tuning the bigger engines, but wasn`t that the answer: putting the 2 litre in an HC and calling it a Firenza? Certainly, I`d be happy to be corrected if the Viva was tuneable.
A couple of things, really. Before the OHC engine was plonked in the Viva shell, Bill B was running a Viva in races and hillclimbs in Britain in '68 or thereabouts. I remember seeing Gerry Marshall giving it a good thrashing at Harewood in September of that year. I have a recollection of that racing Viva featuring in a special Vauxhall supplement in "Motor" some time in that year.
A bit later on, by some miracle Bill took the engine out to around 1500cc and did some fairly extensive work on it (not sure what though) to improve both performance and fuel efficiency - mainly the latter , I think. This was in about the mid 70s, I think, and I do remember reading about it in magazines at the time. The journalists were fairly gobsmacked at the results that had been achieved - as well as the performance and economy gains, the engine had a much smoother and pleasant nature. Can't remember if the engine was in a Viva or Chevette, though.