Case Clearance for Connecting Rods

While I did my dry assembly, I found that the connecting rods bolts hit the inside of the case when I tried to spin the crankshaft all the way around (due to the "stroker" crank, there is a greater distance between the center line of the main crank journals and the center line of the connecting rod journals).

The point of contact was this stiffening gusset cast into the top of the case (if you look very closely, you can see two little shiny marks where the rod bolt contacted the gusset):

Inside of Porsche 914 engine case

 

With a file type bit on a die grinder, I ground some of that material away:

Inside of Porsche 914 engine case with material removed

 

And then did the other side. Now the case halves are ready for final washing/cleaning.

Inside of Porsche 914 engine case with material removed

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All pictures and text copyright 2008