I have built a few wheel adapters, and hub extensions like you are building. One question must be answered early on in the design. Hub-centric or Stud-centric?
I stopped making them for people after the liability sunk in. I'm a commercial shop and I don't need any lawsuits. I also don't need cousin Pedro blasting my shop because his cousin died in a ditch. Those adapters and extentions change the dynamis of axle and suspension loading and IMO can be dangerous. Yes, I know you can buy them all day long for just about any vehicle, but I decided I didn't want anything to do with it. And once I saw the prices, there was no way I was going to risk someone elses neck for what little profit there is in them. They're too cheap over here.
When you are ready to drill the holes, we can give you X and Y coordinates, so you don't need a indexer or rotary table or anything. A bit of trig, or most any drafting program will give you the coords.
Above I mentioned possibly leaving it torch cut. Forget I said that. These spacers will need to be reasonably precise parts. What model is your Series I?
(worst ones I built were to adapt a 5 hole wheel to a 4 hole hub. Bolt circle was almost the same. Couldn't do it out of one piece so had to make it 2, and bolt it together rather than weld it in case a stud broke and had to replaced. Last set for me)
I stopped making them for people after the liability sunk in. I'm a commercial shop and I don't need any lawsuits. I also don't need cousin Pedro blasting my shop because his cousin died in a ditch. Those adapters and extentions change the dynamis of axle and suspension loading and IMO can be dangerous. Yes, I know you can buy them all day long for just about any vehicle, but I decided I didn't want anything to do with it. And once I saw the prices, there was no way I was going to risk someone elses neck for what little profit there is in them. They're too cheap over here.
When you are ready to drill the holes, we can give you X and Y coordinates, so you don't need a indexer or rotary table or anything. A bit of trig, or most any drafting program will give you the coords.
Above I mentioned possibly leaving it torch cut. Forget I said that. These spacers will need to be reasonably precise parts. What model is your Series I?
(worst ones I built were to adapt a 5 hole wheel to a 4 hole hub. Bolt circle was almost the same. Couldn't do it out of one piece so had to make it 2, and bolt it together rather than weld it in case a stud broke and had to replaced. Last set for me)