Which one of you did this?

[Ed Wright]

Originally Posted by Lew Silverman

I remember reading somewhere that this was very common back when the Top Gas and Top Fuel drivers were using the old cast-iron 392 Hemi. I still think about that every time someone says they have a "roller" motor for sale. The article mentions that some motorcycles used the roller bearings, and the early P&W radial aircraft engines did as well.


Interesting engineering exercise!


From the article -

I used to work on those old Pratt & Whitney radial aircraft engines. I had forgotten the roller main bearings. You are certainly correct.