I know that a 289/302 pan would not fit my 69 351W block, and I am pretty sure that it will not fit yours either. You should be able to find a 351W pan at a junk yard fairly easily.
------------------
67 Fastback - Arctic White Pearl paint
351W ,Trick Flow Aluminum Heads, Edelbrock TorkerII, Comp. Cam, Performance Automatic C-4 Trans, 3.55 gears, Front Disc Brakes, 1-1/8" Fr. 3/4" rear sway bars.
My 351W Fastback
