Wheel fitment mind-boggle
#19
Wheels ideally should be centered on the axle flange or offset negative slightly. Adding positive offset puts stress on the bearings, axles, and wheel flanges/studs. Negative offset not so much. Spacers should only be used to re-center the wheel. Not for widening the track for the above reason. Wheel circumference ratio front/rear needs to be maintained for the VDC to operate correctly.
F1 to a bodied sports car is not a valid comparison. Drag on an open-wheel car is a huge consideration when selecting tire size and how they are positioned. Not so important when covered by bodywork. Tire traction, horsepower, and the effects of grip on handling balance are much more important considerations when selecting a tire and wheel combination. Simply adding wider rears will not make a car handle better, increases road friction, and may induce understeer.
F1 to a bodied sports car is not a valid comparison. Drag on an open-wheel car is a huge consideration when selecting tire size and how they are positioned. Not so important when covered by bodywork. Tire traction, horsepower, and the effects of grip on handling balance are much more important considerations when selecting a tire and wheel combination. Simply adding wider rears will not make a car handle better, increases road friction, and may induce understeer.
#20
I've got something to keep u guys awake at night. When u get new wheels and take into consideration widths, offsets, and spacers- and knowing that the front and rear FACES of the wheels are meant to be in line with each other; what are we sacrificing when the faces don't line up with each other? All race cars (excluding dragsters) have the faces of the wheels in perfect line with each other and staggered rears will have the longer width going in towards the middle of the car, rather than out. When we screw with staggered widths and offsets and spacers (eg making the rears stick out farther hence making the front and rear faces not in line with each other) are we losing vital traction / balance / stability?
#21
Joined: Apr 2013
Posts: 1,401
Likes: 74
From: Southern California
our cars do not spread out in the rear like that, nor do the majority of cars on the road. From the factory they are perfectly squared which is why the staggered setup has less offset in the rear.
#23
On the street or even on an occasionall track run I doubt if it makes too much difference if the front and rear wheels match up perfectly. If your concern is balance you can have your G corner balanced. My main concern has always been about ordering wheels with the correct offset so I won't need effin spacers! Having been in the brake/alignment business in my early's, I wouldn't put spacers on my coupe!
Gary
Gary
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