I'm actually loosely basing this on the Cat C18 powerplant. The bore and stroke work out to 1.25" x 1.75".
Picked up the cast iron this morning and decided to get started roughing out the shape of the block.
![](http://i1077.photobucket.com/albums/w463/hintzconst/Model%206%20cyl%20diesel%20engine/906ade72.jpg)
This is 5 inch for the head, connecting rods, & injector pumphousing
![](http://i1077.photobucket.com/albums/w463/hintzconst/Model%206%20cyl%20diesel%20engine/d09aea50.jpg)
And this is where the drawbar broke ending the progress for the day