going from a 3600 to 4500-5000 stall

tnts72 said

Timing first 14-16 initial / 36 total at 3k rpm. Then carb tuning

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Thanks I know when I changed the plugs I keep'd out number 1 and set it to top dead center and when the balancer line was at 0 on the timing marks number 1 started to go down slightly . I know when I put the new plugs in the motor it sounded like a different motor...