318 budget build help?
Don't overlook First Gen to 2000-ish Dakotas.
WAY easy to work on and get parts for.
92 and up already has an FI Magnum engine.
I'd avoid the ".7" engines, though (3.7 and 4.7).
Not quite the street cred as a A/B/F body, but they have their own somewhat hard core following.