On all early(pre 2000) Mopar V8 when you align the crankshaft dot at 12 O clock and the cam dot at 6 O clock you are in the over lap cycle, stroke, of the camshaft, not on the firing stroke of the crankshaft. # 6 cylinder is on the firing stroke when #1 cylinder is in the overlap stroke
Two revolutions of the crankshaft for one revolution of the cam shaft on Mopar V8 four stroke motors