Early 327 steel crank balancers looked like this one pictured, they changed in `67 I believe..also not all dampers are equal as the timing marks have moved on them from four degrees to ten degrees...not sure as to what year though..
`37 Ford Coupe, 406/350/324 posi
`64 C10, 350/350/373 posi
`68 Dodge Dart 370/904/325 sure grip
`69 Camaro RS/SS 350/350/307
"The difference between stupidity and genius is genius has its limits"...Albert Einstein
Life is not a journey to the grave with the intention of arriving safely in one pretty and well preserved piece, but to skid across the line broadside, thoroughly used up, worn out, leaking oil, shouting GERONIMO!