I've got a strong running 94' 4.9 I want to freshen up to drop into my turbo truck. It's current engine has seen 20 psi of boost more then a few times on e85 and has nothing done to it other then arp head studs with a felpro 1024 head gasket. I'm going to be setting this truck up for my daily commute to work and haul landscaping equipment and materials for my brothers company 6 days a week. I want a trouble free mill that I won't have to pull out of service for repairs. As of now my plan is: switch from 2.73's to 3.55's on stock tires, switch to pump gas and limit boost to 6psi or so, add a water meth kit for safety against detonation (this engine should have the cast pistons. Remote dual oil filters with an oil cooler. The engine itself will receive the studs from the old engine, a felpro 1024, all new engine gaskets, a metal straight up cam gear set, and a fresh coat of paint. Now the questions: is it worthwhile to install a high volume oil pump while the engine is out? If so is the stock oil pump drive shaft up to the task? Debating on switching from the efi head to a carb head thinking it will be less prone to detonation, I'd be tempted to add stiffer valve springs and an aftermarket camshaft at that point though, what're your thoughts? Am I forgetting anything I should be doing to help this engine live a long happy life?