Originally Posted by Pacnorthcuda
I thought VIN numbered blocks didn’t begin till 68, so a correctly dated 66 block could be called a numbers engine?


Exactly, but a 1969 casting date block that you ground off the VIN that started JS27R0B would never be correct, but the guy did it. whistling

The VIN pad on the oil plan rail didn't even exist on Hemi blocks (or big blocks) till 68.

Kayse can't keep up at all now. lol