I'll take your word for it (
), I remember they all had a very nasty habbit of going off until about mid-way through the season - Bob Sands' still went off when he rolled at Mallory though!!
Not sure about Smithy and Lionel Abbott's car; my late Dad had his RS Turbo a bit before Snetterton but decided to do it in the Monza for reliability and the thing blew up after 50ish laps and the a Turbo won - sod's law!!