360 into 1966 valiant

You actually don't need to swap the timing cover. Just use the 273 timing indicator, remark the balancer, and ignore the driver's side timing indicator cast into the cover. The indicator swap is for easier ignition timing adjustment. If you're not concerned about easier timing adjustment, just swap the water pump and leave it like it is. Other than rounding up some 360 car-only parts, modifying the motor mount bracket(s), and the other stuff already mentioned, the toughest parts will be the exhaust system and the conversion from a 2bbl to a 4bbl if that's what you will be doing. If your car is already a 4bbl, that swap will be relatively easy depending on which intake and carb you will be using. If you're going to put your stock 273 2bbl setup on there, that will bolt on too, but, not the ideal ticket for performance. It would probably get better mileage though! :lol: