Nascar/Race fans, please answer again. What was Chitty,Chitty, Bang, Bangs car number.?

Question

In the very, very beginning of the movie, Chitty was a famous race car before it crashed and caught on fire which is where the whole movie starts off. What was it's number as a race car.

First correct answer gets 10 points for best answer.

I asked this already but had to leave town on business and my question went into voting. The wrong answer is getting all the votes...

Answer 1

Was it 01?

Answer 2

05

Answer 3

Chitty's race car number was 3.