http://www.ranteer.com/misc/ hi, all. this is the 69 that hadn't run for 10++ years. the plug on the right came out of #6. all the others look like the plug on the left. i have not yet set the valves. compression tested as: 1 170 2 155 3 155 4 155 5 165 6 140 anyone want to point me in a direction to figure this one out? thanks.