So this weekend me and a buddy are swapping in a new/used 400m into his truck. We bought it from a guy who pulled it out of a wrecked truck 15 years ago and its been siting in his garage ever since. Were Going to start this afternoon and hopefully finish Sunday. We replacing oil pan gasket oil pump water pump thermostat valve cover gaskets rear main for a grand total of $90 dollars in parts. Yes $90 from oriellys. Oh and a set of new headers. Any advice from the engine builders would be greatly appreciated! Heres the truck 79 Bronco also known as Ranger!