Your timing is too slow. Advance it about 4-6 degrees & try it. If it pings on heavy throttle set it back a little.
Listen to your wife. Don't give up yet. It idles smooth so the valves are probably ok & the wires are not crossed.

George

They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.
1972 Chevy c10 Cheyenne Super
In the Gallery Forum