Quarter Mile time estimates

that combo should be 13.8-14.0 at about 96mph. i had a 68 318 with stock heads. factory valve job. ran the mopar 340 cam. eddy performer and eddy 600 cfm carb. stock manifolds and 2.5 duel exhaust. my car had 3.55 gear with 25" tire and 3500 stall. 60 ft was 1.7 and 13.79 best et. i did have the steel shim head gasket and .020 off the heads.