I agree with the aprox weight of the 4age , last time i weighed a Ca18det it showed around 145-150 kgs , thats with every thing inc starter clutch ect , some of the weights posted on the net are bare engines or with or without flywheel ,cast iron or tube ex manifold ect, So it allways going to be on debatable weights ,unless you compare then with the same accessories on them , So really i don`t want to get arguement on about weights .

a 20v toyota head weights aprox 8kgs more than a 16 v head .