383 dart build

lol i have a 65 and another 71.. i put a 318 bored 30 over with 508 porple cam and 360 heads combo with summit intake and summit 650 cfm carb lol my uncle got the compression at 10 to 1 with the heads and a little work but its prolly barelly over 320 hp lol i dont know what im doing with my other 71 dart lol