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I recently bought new tires and now I have one tire that's leaking due to the chrome being degraded. A few sets of tires ago, I ran into that same problem and the shop sanded the inside and applied some tar or something like that. Now I wish I had purchased new wheels with my last set of tires - which are only a few months old.
Has anyone run into this ... and if so, what are the options? Sand the hell out of it and goop the tar?
I see an set of American Racing Classic Torq Thrust II VN515P that I might pull the trigger on.
The backspacing is 4.07 while the offset is -11. They're 16x8s. Would there be any fitment issues with that?
So after reading the sticky, and my 16x8 stock wheels have an offset of 50mm which is right at 2 inches, so my backspace is right at 6.5 inches.
The wheels I'm looking to get have an offset of -11 and they're 16x8s. They have 4" of back space. So the new rims will move outward 2.5"? There's 60mm difference in the offsets between the old and new rims.
Last edited by TA_Freak; Jan 31, 2020 at 07:39 PM.
I had a Honda Accord that did the same thing. I even bought some tire bead sealer to help seal it up and it never helped. Just kept adding air. As far as your rime offset, I can't help you on that.
A search for "tire/rim offset fitment comparison" should link to some online calcs that will provide just what you are looking for.
Thanks for that. Showed me that my calculations were ***** dead on. Simply put the difference between 50mm and -11mm for offset is 61... which is 2.4 inches of poke. No way in hell that will work. I could only poke another inch so the least amount of offset that I can have is 25mm without too much poke.
So I yanked the one wheel that was leaking and took it to the shop and they repaired it. The last thing that I really wanted to do is buy a set of 16s; the BF Goodrich tires are brand new. Next set of tires will go with a new set of 17" wheels.
Side note: when I dropped the wheel off, a 4th gen z28 pulled in. Later when I picked up the tire, the tech told me that the owner of the z28 had the same leaky rim issue. He also had just bought that car for 5k and with only 85,000 miles.
Have had same issue. The factory chrome plating isn't all that great.
My 02 Z28 with the 16x8 factory chrome rims has the same leak issue on two rims. The chrome has degraded and doesn't provide a good seal anymore. Rims have 250,000 miles on them and had to be sanded smooth where the chrom started to flake off. Tire shop also used bead sealer. So far no noticeable leakage after six months. Before in two weeks or so one tire would go almost flat from the bad seal.
I see this all the time in the shop. I usually put the wheel on the tire machine and use a brown cookie (Roloc disk) on my little Sioux air angle grinder. I use the machine to keep the wheel slowly I'm rotation and just go around the wheel grinding all of the peeling chrome and corrosion free from the bead on the wheel. It takes a couple of minutes per wheel this way and there's no damage done to the wheel and the wheel faces are never touched. I couldn't imagine hand sanding this crap off. After it's done the beads are clean and seal perfectly again but you could use some bead sealer if you're really ****. I very rarely ever find it necessary.
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Rims are old and leaky 
