That's a neutral balancer. The cast crank 340 (external balance, late '72 & '73) looked like this: View attachment 1715799990
The balance ring has "use with 340 cast crank only" cast into it. View attachment 1715799991
Appreciate that I just wasn't sure..
I personally have never had a 3:40 and now that you say all that that's kind of what I was recollecting seeing somewhere...
Again thank you:thankyou:...:thumbsup:..
