248/248 CAMS TIMING ? HELP

[ALTYON20Z]

so i did a lil small cam swap today to the 1st gen.the popular 248/248 in the 240sx community and im having some trouble.set the car at top dead center and advanced the double row sprocket on the intake side 4 chain links and the car isnt wanting to idle and bogs when it wants to.i was trying to use the 4 tooth retard method.i advanced the intake side by 4 chain links is that right ? or what i only suppouse to do 2 links ? please help i need this car running for monday thanks guys.