Real simple combo that put my 3200lb (with me) car into the 11.80's.
360 Magnum
Stock shortblock (simply freshened with new rings and bearings)
Stock heads (cracked even)
216/224, .506/.506, 114 cam, MP .525" springs, stock rockers
Edelbrock Airgap intake
QFT 650 DP carb
1 5/8" block hugger...