68 383 with 750 carb. Runs rich

Ok finally had a chance to put my carb back together. I did not rebuild the whole carb as the powervalve seemed suspect and had some build up around it. I installed a new power valve which came in kit as 6.5, new fuel pump diaphragm , pulled air/fuel needles and installed fresh cork seals for them and new gaskets coated with silicon spray lubricate for front block only. Also blue out all passages with carb cleaner and compressed air. Fuel float level was good before pulling apart. Didn’t take apart rear of my carb yet and didn’t realize the kit didn’t come with 2nd vacuum diaphragm parts which I’m not sure are working yet. Where I never checked timing originally I figured to take a look after assembling and see if anything changed. So car started right up with initial air/fuel at 1.5 turns out.
Checked timing and was set at 10 BTDC and 35 degrees around 2400 ish with dist vacuum unplugged and capped off. I tweaked the idle timing to 15 BTDC.
My original problem was a hard hot start I will need to drive the car to see if that is gone or not and the car is too rich and it still too rich. I did notice if I put the car in park or drive there is very little difference in vacuum Gauge readings. I also sprayed around with carb cleaner trying to find a vacuum leak I didn’t. I also put both my hands over the carburetor with welding gloves and it seem the engine could just keep on running. Unfortunately I did not have a helper to put it in drive to adjust air fuel. When in park my highest vacuum reading is with the air mixture screwed all the way in, this does not seem right to me almost like I have a vacuum leak. Both sides react the same. Current vacuum around 12 at idle and 15 ish air/fuel all the way in.