tappet clearance 20/6

[rodlittle]

I need to set the tappet clearances on my 20hp 6, cant find the figure anywhere does anyone know what it is ? and I asume No 1 cyl is at the radiator end. Finally there seem to be various sequencies to set the clearances is there an official method
Thanks Rod

[Paul-l]

4 thou hot according to Austin 10 drivers club info

https://www.austintendriversclub.com/ad ... -20-28.pdf