How much grinding on the 3:00 & 9:00 studs?
You’re basically just removing the threads. The cast iron of the knuckle is not very hard so the studs should drive in pretty easy. Make sure to remove any excess casting material on the inside of the knuckle so the studs will be able to sit flush on the surface. I think the hole towards the front of the knuckle needs the most work for clearance and most of them needed no work at all. Try to get it right the first time so you don’t have to remove them over & over. Once the studs are in, trial fit the knuckles on the axle to see how much grinding you’ll need to get back steering radius. Use a die grinder to work on the 3 & 9 o’clock studs. Again I think it’s the ones to the front of the knuckle that get the most work and it isn’t too much but you may feel it is when you do it. (Sorry I had a late class last night and forgot to dig out my pics of this, I’ll get ’em tonight though) Don’t worry if you lose a little steering radius cause you have to give some up for the larger tires anyway.
