Trigger spring job

So I started installing the Sprinco competition trigger kit. I installed the trigger return spring and my trigger pull dropped from 3lbs 1.4oz to 1lb 12.9oz. Is that low enough or should I install the fire and pin safety block spring also?

So I started installing the Sprinco competition trigger kit. I installed the trigger return spring and my trigger pull dropped from 3lbs 1.4oz to 1lb 12.9oz. Is that low enough or should I install the fire and pin safety block spring also?