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So far it sounds like the systems are over charged with refrigerant.
To assess that for you I need to know each detail of the following things:
1. Outside air temperature, and pressure read from the smallest diameter tube on the outside
2. Suction pressure, and at the same exact instant, the temperature inside the house.
We can go from there.
I also need to know if you used a vacuum pump during the installation or not.
Sorry I am late, my internet provider was down for 3 hours.
Tell me if there is a Thermostatic Expansion Valve (TXV) fit to the evaporator coil or not, if not, tell me the orifice size you fit and what orifice size the spare that Goodmans sends is.
It is possible that you need to fit a smaller piston orifice (those spares come with Goodman equipment). but hold off on that for now. Since I have no idea if you are a 20 year experienced technician or new to the business I need to make sure that you are not bypassing head pressure to the suction side through your gauges.
Do you have both the left and right side gauge valves closed (rotated clockwise)? I need to know if you are using electronic gauges or not, and if so, which brand.
Beyond that, for a 3.5 ton system the orifice size at the cooling coil needs to be.
Here is a video that will give you some insights on the issue.