if u use a rsb changer, the dealy is 0, if u do it manuallity, u can delay some bit time. u can check the psot on my signature,i have 2 versions for rsb changer, a 0 delay version and a 0.1 secs delay version, the 0.1 secs delay is for make it look like human
if u asking the rsb delay is 3 seconds