Hi Dan, I just thought to dig out my Challenger drawings. Here is a list of the drwgs, I didn't put them in numerical order for you but this is what I received about 10 yrs ago from the original Coles in Ca.
I will give you the number of the drwg, description, and size of drwg.
L-300 block D
L-600 assembly D
L-311 left exhaust C
L-301 crankcase C
L-332 camshaft C
L-305 right exhaust C
L-310 crankshaft C
L-353 water pump housing B
L-304 intake manifold B
L-302 oil pan B
L-337 cylinder liner B
L-336 piston B
L-309 connecting rod B
L-382 oil pump block B
L-329 dist base B
L-330 dist cap B
L-338 flywheel B
L-354 waterpump cover B
L-358 valve train cover B
L-359 stand B
L-303 head B
L-355 waterpump shaft A
L-483 access cover A
L-316 oil pump cam A
L-328 dist cam A
L-360 pipe flange A
L-317 cam follower A
L-315 front cam bushing A
L-314 rear cam bushing A
L-351 valve spring keeper A
L-350 wrist pin plug A
L-349 wrist pin A
L-327 dist shaft bushing top A
L-333 dist shaft spacer A
L-323 dist shaft A
L-321 valve guide A
L-320 valves A
L-319 push rod guide A
L-308 rear main bearing housing A
L-367 carb base A
L-368 waterpump impellor A
L-369 oil pump lever A
L-334 fan support shaft A
L-339 fan blade A
L-340 fan spider A
L-341 fan adapter A
L-331 dist rotor A
L-352 water pump impellor A
L-346 water pump pulley A
L-345 fan pulley A
L-344 crank pulley A
L-343 dist contact A
I wrote down the info as I went through my pile of drwgs and I figured if I tried to put them in numerical order for you I would probably screw up and leave something out. I hope this helps and good luck. If I can be of any further assistance don't be afraid to ask, Dave