Stagered wheel sizes
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From: Ft. Jackson/Columbia
Stagered wheel sizes
I was wondering if there is any drawback on going wider in the back rims and tires? Any issues with the mechanics of the diffs anything at all?
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From: Fremont, Ca
Most likely it will screw-up your differentials..
If your Evo has ACD or SAYC, then it's pointless to try to stagger the wheel sizes. The electronics will negate any advantage of a staggered setup - it's been tried before. Keep all 4 tires the same size and work on the suspension instead. Something like going to 265/35/18 tires all around and making some suspension adjustments should net you a significant performance increase.
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I saw an evo VII in sportcompact car mag years ago that was running staggerd sizes. It was a BOZZ speed car. Cant remember much but I'm pretty sure they tricked the AYC and diffs by running the same tire on all 4 corners. Tires on rear were stretched. Google BOZZ evo VII see what you get. Ill go through my back issues and see what I come up with.
Last edited by KenMasters; Jul 13, 2007 at 05:27 PM. Reason: miss spelling
Is there any particular reason why you are looking for a staggered set up?
It's obvious by your statement about AutoX you are interested in improving your handling.
Evo has over 60% of its weight on its front end.
If you really must have staggered set up, you might want to try more aggresive offset wheels on the front.
Many of Japan's time attack cars run this type of set up.
By increasing rear grip on an evo, all your car would do is increase understeer.
That would be exactly opposite of what you are looking for.
It's obvious by your statement about AutoX you are interested in improving your handling.
Evo has over 60% of its weight on its front end.
If you really must have staggered set up, you might want to try more aggresive offset wheels on the front.
Many of Japan's time attack cars run this type of set up.
By increasing rear grip on an evo, all your car would do is increase understeer.
That would be exactly opposite of what you are looking for.
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The back end is not supposed to be wider! This isn't a Corvette or Viper. As has been said before, if anything you want the FRONT end wider. I believe the Cyber EVO used to run a 10.5" rim up front with a 9.5" rim in the rear with the same size tire all around. This will NOT screw up your differential, but if you start mixing and matching tire sizes (with different diameters) you WILL screw up your diff. if they are not matched very closely. BTW, even the '03 and '04 had a VCU center diff, so you can mess it up by miss-matching tires. It will be overworked, overheat, and sieze up.
Please do not try to make the rear wider without doing the same to the front. It WILL make your car handle worse than before. The average Joe Blow who doesn't know anything about cars may say it's cool, but anyone with a clue about what you are driving will just point and laugh. .
EVOlutionary
Please do not try to make the rear wider without doing the same to the front. It WILL make your car handle worse than before. The average Joe Blow who doesn't know anything about cars may say it's cool, but anyone with a clue about what you are driving will just point and laugh. .
EVOlutionary
No prob. I wasn't trying to be a dick, just telling you what's up.
The whole bigger rear offset and fat rear lip thing has been burned into people's minds for decades both from the American Musclecar scene and the Japanese Drifting scene, so much so that people are starting to think that looks "cool" or "stylin" even on a FWD or AWD car. That style came from function, inspired by race cars. Form follows function.
When talking about AWD or FWD, in most cases the front wheels are the predominant wheels. While many cars use the same wheel and tires all around, as I stated above several race cars uses more offset (less positive offset) or wider wheels in the front to balance the car and optimize handling. Now pursuing this line of thought would be a great idea because it will look good and be functional. (once again, form following function)
You can also think of it like this - if you are building a FWD drag car you would get laughed at if you ran huge drag slicks out back and skinnies up front, even though on certain types of cars that looks great and is how it is supposed to be. Instead you run the big fat slicks in the front - because that is the way it is supposed to be. . .
EVOlutionary
The whole bigger rear offset and fat rear lip thing has been burned into people's minds for decades both from the American Musclecar scene and the Japanese Drifting scene, so much so that people are starting to think that looks "cool" or "stylin" even on a FWD or AWD car. That style came from function, inspired by race cars. Form follows function.
When talking about AWD or FWD, in most cases the front wheels are the predominant wheels. While many cars use the same wheel and tires all around, as I stated above several race cars uses more offset (less positive offset) or wider wheels in the front to balance the car and optimize handling. Now pursuing this line of thought would be a great idea because it will look good and be functional. (once again, form following function)
You can also think of it like this - if you are building a FWD drag car you would get laughed at if you ran huge drag slicks out back and skinnies up front, even though on certain types of cars that looks great and is how it is supposed to be. Instead you run the big fat slicks in the front - because that is the way it is supposed to be. . .
EVOlutionary
If the rims are diff sizes and the tires are the same size overall diameter wont be the same at all! Two tires will be stretched and two wont.. They will be diff diameter.. I did one of those tire/rim calculators online and I got them close.. But you will never make them the same without shaving 2 tires and having 2 new tires.. Sounds like alot of work for a "look" My .02...
would this small of a diff (.3) make a big issue down the road? Assuming you were running some 17x8's and some 17x9's
Specification Sidewall Radius Diameter
235/45-17 4.2in 12.7in 25.3in
255/40-17 4.0in 12.5in 25.0in
Last edited by sikrsix; Jul 15, 2007 at 03:42 PM.