I suggest that when many guys go about tuning motorcycle engines, they believe all the theories. My first racing motorcycle was like that. My mate Allan Greening had built it, and it almost killed him at Bathurst in 1958. It was a Triton with a 500cc short stroke motor which was made out of 650 parts with a 63mm stroke billet crank, in a Manx frame. It had a 4 speed close ratio box. When I got it, it had 4 inch megaphone exhausts from the 1954 T100 factory race kit. The first time I…
