Quote:Quote:according to the D dart specs, the 273 heads are basic stock heads..so I am assuming the valve sizes are the same as a 68 318?? The stock 273 had 8:1 crThe commando 4 bbl had 10:1 crNeed to say more ?Dan
Quote:according to the D dart specs, the 273 heads are basic stock heads..so I am assuming the valve sizes are the same as a 68 318??