318 +.030 Dieseling

10* initial is not enough for a 318 with a xe268h, closer to 18 is where it will run better/best. Keep advancing timing until you find the point where it kicks back on the starter. Then back it off a bit.

You'll have to fix/limit the mechanical advance in the distributor.

Engine should idle easily at 800-850 in p/n and a slight drop when in gear.