Prob Hub o-320 to o-360

[JCGator]

So I'm trying to use my old prop hub (water walker) on my new O-360 crank which has 1/2" Bolts and larger bushings. Its currently setup for 7/16" bolts so I'd have to drill out the holes for the bolts and also drill the backside for the wider bushings. Anyone else done this? seems simple enough...

 

[Gary S]

I would either trade it or buy a new one. If your going to drill it, find someone with a milling machine. Like a machine shop.