Mattax said

View attachment 1716087151

Looks like 6 blade and 7 blades for the LA engine

Nope, a four blade added in 66
View attachment 1716087153

View attachment 1716087154

View attachment 1716087156

Look for a 7 blade with 1 3/4" blades angled in the correct direction.
Part number was often a painted stamp..

Also check out the unrestored and 100 point cars for examples...
They'll never notice...

Click to expand...