2013 WRX Limited Sedan
Mileage: Just over 11,000 (brand new basically)
OK. So has anyone else had this issue? Is this something I have to live with? Is this something all Subie owners with aftermarket Rims/Tires live with?
So I have been researching Rims/Tires for a while trying to find a nice aggressive setup for my 2013 WRX. I decided to go with Rota Grids 18 x 9.5 +38 in matte black. I also decided on BFGoodrich G-Force Sport COMP-2 tires with a size of 255/35/18.
Personally, I have seen this setup a million times all over NASIOC with the same rim size (even the same rims) matching up to that same size tire (perhaps a different tire, I should have gotten Potenza's, I know.)
Anyway, ever since I had the tires mounted/balanced they seem to shake at highway speeds. Not only do I get some moderate shaking in the steering wheel, but the transmission (shifer) seems to be shaking a decent amount.
Now I have gone back to Belle Tire on two occasions to have them look at the balancing and everything has checked out. I was skeptical, so I took it to the dealership and they showed me the printouts indicating that the tires/rims wouldn't road force balance.
Numbers from Dealership:
Right Front: 23 (p limits?)
Left Front: 33 (p limits?)
Right Rear: 25 (p limits?)
Left Rear: 36 (p limits?)
I sense then went back to Belle Tire complaining and they gave me new tires. After having the new tires mounted and balanced, Belle Tire showed me on their balancers how they did road force (somewhere between 17 - 18 I think).
I guess what I'm wondering is.. is this normal? Is that much of an offset putting stress on the CV shafts/drivetrain? is this what all people with aftermarket rims/tires have to deal with?
Now when I say shaking, it isn't anything crazy... it's subtle.. but enough to annoy me. I have meet numerous people who have the same rim/tire size as me and said that it rides perfect, like stock. Are they just pulling my chain?
The real issue is (I think) that the tires don't like the rims. The tires won't road force to Subaru's spec on those rims. Either my rims are not true, or they don't like those tires.
Any insight you guys have would be great! Sorry if I'm missing something, I am typing this in kind of a fury.. lol.
P.S. I do have the hub centric rings made for the rims to fit my hub and appropriate lugs.