[320icar]

Originally Posted by coneZONE

Yeah. Luckily I don’t work on much Euro stuff for tires anymore
Lug-centric on a lug bolt system is the worst if there’s no hub-rings, especially multi-fit steelies

I do have one experience that i think you guys should be aware.
Back story is a few years ago, i found out Fiat 500 are 4x105 and due to lack of that size, most people run 4x100 and special bolts with a conical washer that can offset. And with this knowledge, my experience a few years ago:
So there was a customer with a Volvo, and he brought in his own Volvo alloy rims from a different model, it had a larger centre bore. And those of us who know Volvos a bit, know that sometimes they use wheel nuts and wheel bolts. Some bolts are one-piece and some have a conical washer. So this guy’s OEM bolts had conical washers which have a little bit of play in them. The old tech (i was an apprentice at the time) balanced the tires, torqued the wheels, kicked it out and customer came back complained of vibration. Balanced again, no fault found. I figured out that due to the larger centre bore, and the wheel bolts with the washers had enough play so that the wheels would never be centred on the hub. I told them the easiest fix would be to get a new set of lug bolts without the separate washers. The tech wouldn’t believe me. Oh well. Lol. I don’t remember what they did, probably tried to sell the customer a new set of rims. Scammy.

I think the fiats are 4x98 but I know what you’re saying. And funny, I know the exact situation you’re talking about and that is a fantastic deduction. That being said I’ve always loved those two piece conical volvo lugs, feel like such a good product. Audi often also runs the two piece style but with a spherical seat type