What can I do to make my 318 faster
Agreed! Other things that the 318 going fast start to cost money and there a bit expensive if you wanna do it right and done well.
Things like'
Gear ratio change .... and boy that helps!
Hi-stall converter ... off the line help
light weight parts .. all around help.
Engine upgrades after bolt on parts and a cam;
head work which would include;
head milling, (Not much required)
up grade in valves and sizes, bowl porting
By the time you get into doing it, the 360 may be a better venue to travel.