Waggy spring perches

I'm working on setting up the front Wagoneer axle, and since I'm going SOA, the passenger side spring perch has to be ground into the differential. I've tried doing a search for this in a few places, but I only ever see it mentioned, not explained. I'm not sure how to go about doing this, how have you guys worked this out? Do I grind enough off to weld on an actual spring perch, or do i just try to grind a flat surface into the cast iron? Does anyone have a picture of what they have done?

Thanks for the help
Foster

 

I don't have much experience with stick welding, but it wouldn't be that hard to figure out I suppose... does anyone know which rod to use for welding cast iron? I could make that work if I had to, but I'd rather find a solution where I could rotate the perch for adjustment without having to customize it every time I want to change it.

How structural is the cast iron part surrounding the tube there? Could it be ground away to get to the axle tube below it? I'm guessing no, but if that would work it might be the easiest.

I've been avoiding welding to the cast iron, but that might be the way to go in the end.

 

I think Rubicon Express has a perch made just for that application. http://www.rubiconexpress.com/ You might have to call then about it as I'm not sure it's on their online catalog.

 

Scartch that previous post. Foothill Offroad Products has the spring perch. Part # FO1920 for 2.5" or FO1910 for 2" springs. www.foothilloffroad.com (530)889-2021

 

Rubicon Express also sells that same type of perch, and I bought a few of those. It solved my problem on the rear axle, but the perch on the front axle is completely on top of the cast metal. I'm going to modify a regular spring perch to fit over the cast part.

Now on to the hardest part of the buildup, tracking down the right shackle bushings.

Thanks for the help guys.
Foster

 

I could be wrong, but I thought the one from Foothill had a short side that went over the casting.