Here we got it!
http://gpl.krej.cz/mp3.html
if that doesn't work:
http://www.home.zonnet.nl/patver/test/Brm16/brm_v16.htm
Try renaming the file and have a friend trying to guess what kind of an engine it is!! He probably won't say it's a V16! and I don't reckon his guess would be 1.5 litre!!!
Nascar can go and hide, also modern F1 engines, hearing this beutiful sound.. they could creat engines at that time too, 1950s!!