Actually Sub, my extensive research says that neither the center bore nor the lug studs carry the load. Once properly torqued, friction between the hub and wheel is what carries the load. I would post a link, but I've read so much, I don't remember where that was.
Yes, centering rings. The interweb seems split about 50/50 so I asked my buddy who's mounting the tires. He's been a mechanic at his family's shop for about 25 years. He said he's used both but prefers aluminum - no reason. So I ordered a set off feeBay and plan to see if there's any difference in fit between the two.
Either should work just fine. I had plastic ones for my Subaru for years and they were pretty much trouble-free; I have since sold that set of wheels, and the rings went on to the new owner. I've seen plastic ones that are pretty cheesy and seem kind of brittle / prone to cracking. The ones I had seemed like they were some sort of composite material maybe? The wheels in question were my auto-x / track wheels, so the centering rings had to deal with high temps. One cracked, but it was still functional; that was the only issue I had.
My buddy that I do track days with has aluminum ones for his track wheels. Again, no issues, and he's had the rings for years.
I prefer the plastic ones. I've used both on a few cars over the years and I've had some issues where the aluminum ones get stuck on the wheel or the hub. Never had that issue with the plastic ones, and I'll admit freely that they were $6 ebay specials. Ran them for 40k miles with no problems on my daily driver LS400.
I have a set of each. Had expected to have the new wheels on weeks ago until Winter 2.0 hit my part of the Midwest. I can tell you so far that the aluminum are a snugger fit in the wheels, but can't say yet are tighter on the hubs. I hope to know soon and if I do use the aluminum, I'll use plenty of anti-seize.
I went with the plastic. The amount of "play", very limited that it is, was about equal. The aluminum fit the wheel tighter, but the plastic fit the hub tighter. So the decision came down to did I feel like making a mess with anti-seize. I chose not to.
The rear brake pads of my 2001 seville STS need to be replaced. Can somebody recomment me some? There are so many listed at rockauto. And do I have to choose some where it says "except vehicles build for US market"?
Thanks for your answers!
Hi.... I'm looking for winter wheels and have a chance to purchase 2016 CT6 rims. My OEM rims are 245/45/19 x 8.5" with a 39 offset. The rims that I'm looking at are 235/50/18 x 8" with a 35 offset. both hubs are 5x120
I'm not 100% sure that these rims will fit over the OEM Brembo brakes... I...
,,,,recognizing that you have had some experience with them, wanted to ask you a coupla questions, if you wouldn't mind.
1) How are they for comfort? Are they any smoother a ride than say, the Michelins that the SDVs come with from the factory?
2) How about their usefulness as a full, all...
My performance package dts has 18 inch wheels that need replaced. I have found a great deal on a set of 4 but they are 17 inch. I noticed that both the base dts and luxury dts models came with 17 inch wheels and only the performance package dts model has the 18 inch wheels. Can I switch from...