My 1946 216 runs just fine as long as it’s not stressed, but when it’s under load going uphill it pings like mad, sounding like the whole thing is going to rattle itself to pieces.
I’ve adjusted the valves to be.008 and .015
It’s timed at 10 degrees BTDC to suit the 98 octane fuel.
10 degrees is where it runs best but more or less advanced doesn’t make any difference to the pinging.
I’m running out of ideas but I’m wondering if a colder spark plug would make any difference.
Thanks for your advice
Bob
