Thanks in advance,Here we go.1970 f250 4000lbs 390,.030 over CJ heads, cast iron,milled .015, 11.5 compression,electric fan,alternator ford windage tray, high psi pump,Hooker s-comp exhaust open headders, C-6 with a 4000 stall conveter with trans cooler, cam lift 587, 248 duration,roller,F248,low riser intake with 8v 2-550s, original,fresh,with Hilborn type scoop,no hood,corectly ?? set up slapper bars with DANA60 3.54 gears POSI with 31x10 slicks. what would it be with a lower stall conveter?
