Engine swap 170 to 225

I'm not sure, but I think most of the accessories would be compatible.

This article reinforces my feeling that they should be mostly compatible:

[ame]http://www.slantsix.org/articles/Slant%20Six%20Racing%20Manual.pdf[/ame]

If you go to/from or from to 67 or earlier/68 or later, then the crank counterbore changes from 1 1/4" to 1 1/2", which impacts your torque converter.

You may also want to post this question over on slantsix.org