Welcome Caleb!
351H.O. will have a 4 barrel carb and an ignition box on the driver's inner fender.
Is there a vacuum hose going to the distributor?
Jim,
Lil'Red is a '87 F250 HD, 4.10's, 1356 4x4, Zf-5, 3G, PMGR, Saginaw PS, desmogged with a Holley 80508 and Performer intake.
Too much other stuff to mention.