You are going to want to pull the oil pan and clean the gunk out of it. Lots of sludge, old gaskets, you name it in there since 1990.
Come to think of it doesn't Edelbrock do a MPI kit for the smallblock Chrysler? I considered it about 18 months ago when comparing a Holley TBI / rebuild a Quadrajet (Thermoquads are rare here - even rarer in good condition). If I had the money (IIRC $3k ) I would have done it myself. (or is that kit only for the LA and doesn't fit a magnum?). cheersToo bad it's not easy to put mpfi on it! Can't blame you for yanking that out
Seeing as how you are in Colorado;So I have the idea of transferring this driveline to an older truck but should I get over the TBI Idea and use a carb or is a TBI something that might be handy ?