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08-18-2012, 08:19 PM | #1 |
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04 subaru wrx 18x9.5 rear, 18x8 front awd setup?
Import tuner had an article about a wrx wheel set up 18x9.5 rear and 18x8 front
has anyone ran with setup like that? and the tire size 265/35/18 rear vs 245/45/18 front... or 245/40/18? on awd wrx?
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08-18-2012, 09:30 PM | #2 | |
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Forget the idea and move on. |
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08-19-2012, 01:07 AM | #3 |
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Bad idea is bad.
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08-21-2012, 12:48 AM | #4 |
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May have been a RWD wrx, that's been done and staggered fitment has been done, but most likely just forget about it.
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08-21-2012, 10:30 AM | #5 |
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Match the rolling diameter of the tires and it will be fine (see 225/40 and 255/35.)
It'd be purely cosmetic though, and will probably make the car handle worse. It'd probably look pretty cool tho and ffs guys, instead of saying "NO, BAD IDEA NOOB, GO DIE", perhaps telling them why it would be a bad idea would work better. |
08-21-2012, 10:45 AM | #6 |
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I have read that it is acceptable if the difference in rolling diameter is less than 1/4" BUT and here is the reason that people say no to a staggered setup. It will cause your wheel bearings to wear prematurely and you will run the possibility of eating up your center differential. For a "cool look" replacing a wheel bearing is going to cost you $70 a pop and a center diff is going to cost you a little over a $1000 if you do the work. All things to consider.
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08-21-2012, 01:02 PM | #7 | |
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08-21-2012, 02:31 PM | #8 |
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I'd love to see someone that's burned up diffs and wheel bearings. I've searched for it and all I can find is people saying not to do it and it will kill things, but I haven't been able to find real proof of it happening. Maybe I just suck at searching though.
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08-21-2012, 03:20 PM | #9 |
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Its not just Subaru's. People in the Quattro crowd have the same issues. When you run a staggered setup cornering at high speeds causes additional stress(Torque) on the center differential which will cause it to become damaged or break. It has to do with distribution of Torque on the center differential. With varying widths and sizes you change the torque distribution and the center differential is what suffers from it. As far as the wheel bearing failure in order to match rolling diameters and offsets you most likely will be using some weird combinations that weren't intended by the OEM. Wheel bearing failure can also happen when the offset strays too far from the OEM value where there are problems with the scrub radius which causes a suspension geometry change as well as extra wear on control arms and wheel bearings.
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08-21-2012, 04:50 PM | #10 |
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Coming from the audi world (used to own a b5 s4), the only thing I ever heard was 'make sure the tire diameters match within 3% like the owner's manual states'. I don't think I ever heard horror stories of people running staggered width tires. Perhaps I wasn't looking that hard though?
And yes, using low offset wide wheels definitely eats bearings faster, but that's part of the territory. |
08-21-2012, 05:06 PM | #11 | |
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It's only only rolling diameter but grip tolerances between the front and rear. On non symmetrical full time and system, it's less of an issue. Quattro and subarus awd are very different from each other. There is no proven real world failure of wheel bearings from low offset wheels. I'm at 160k, and have run <et30 9"+ wheel set ups for over 80k. I am on my original wheel bearings. Thats right, they haven't needed to be changed once. |
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08-22-2012, 10:28 AM | #12 | |
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But in regards to the OP. Run Staggered if you want to. Take the advice of the posters with regards to rolling Diameter but be aware it may cost you down the road it may not. With cars you need to weigh out all the possibilities. |
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08-22-2012, 11:30 AM | #13 | |
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My last 2 setups were 17x9 +10 and 18x9.5 +19. |
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08-22-2012, 01:00 PM | #14 |
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Intersting. I'm going to be running an 18x9.5 et25 square setup on my outback soon, will let you know if I start eating wheel bearings lol.
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08-22-2012, 01:57 PM | #15 | |
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08-22-2012, 02:41 PM | #16 |
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Roll, pull and camber
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09-21-2012, 01:29 PM | #17 |
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I have an 04 Sti, current setup is 18x9.5 rota grids with 235/40/18 tires. Grids won't clear brembos in the front so I had to run 5mm wheel spacers. I didn't use spacers in the back.. Only the front wheels. Could this mess up my diff as well?
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09-21-2012, 02:22 PM | #18 | |||
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If you moved the apostrophe from where it's not supposed to be and put it where it is supposed to be, the sentence becomes:
It's not just Subarus. Quote:
Quote:
Quote:
Clearly, that's not true, because NASIOC says so. |
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