Sponsored Links (Register now to hide all advertisements)
Quote:
Originally Posted by Yoyodyne
What block is this? It appears to be new, the bores are 3.187 with a 3.265 dia x .045 deep counterbore at the top. The mains are 1938 size.
|
It appears to be a pre-41 24-stud 221 block. The counterbores may be for sleeves that have been removed. If it still has the 2.399" mains and had studs for the mains it should be a 1938 or possibly early production 39 standard.