59AB vs 8BA flywheel

[V8COOPMAN]

Originally Posted by Jay in Mass

JSeery and cas3
The link that was posted makes it perfectly clear that there is a difference in the inside diameter of the ring gear on the 59AB and the 8BA. Now I see it. Thanks.

Here's a pic that may help to visualize all the good info above. Note especially the clutch holes drilled all the way thru on the 8BA wheel. Also, ring gear height comparison makes it clear why starters don't work well with late wheels on early blocks, or early wheels on late blocks. DD