Question on holley 4150

i run almost the same combo........360 284 484 ,10.1 com,m1 intake ported x heads, 750 dp,but my convetor is 4200.......... that 2800 my be a bit to low.......... it would be a little easier getting off the line with a vacuum sec carb...........my carb specs are 74 frt 78 rear 6.5 pv leave at 2500, and i race at 3400 ft ...............i hope this help...good luck