Hello Rusty, went and pulled 1980 Motor manual. Page 1-624 shows the plug wire order for that system as follows: 351/400 and the other order for 302.

351/400 going counter clockwise on cap is 1-5-7-8-6-3-4-2.

302 is going counter clockwise is 1-3-4-8-6-5-7... Login to read more.