67 twin turbo dart

Just add like 10-15% above 4500 and see what it does. Is fuel psi stable above 4500?
Fuel is stable as far as I can tell just has been leaning out, I installed a light to let me know when the second full pump comes on. Base fuel is 32 and a 1:1 regulator, unless the Mallory regulator isn't keeping up. Just added +2.0 from 4500-500, +4.0 5000-6000 and +6.0 to 6-7, should I put more into it?