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why wider in the front? and off set queston

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Old Nov 12, 2005 | 12:15 AM
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Default why wider in the front? and off set queston

im just wondering why every one goes with a wider tire in the front on f-bodys.
i know why on the back
when im driving i go over some uneven road the car will pull in what ever directon.
but is a 17x11 that much better then a 17x9.5 i dont want problems nor do i want to spend the extra $ if i dont have to.

wider== more $

front: 17X8 but what offset
rear: 17x9.5 or 17x11 what offsets.

but first; trans rebuilt by D&D, textralia clutch, mosser 12 bolt w/ 4.10 and eather a wet or dryshot (cant decide that eather)
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Old Nov 12, 2005 | 12:18 AM
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or should i bump up to a 18" wheel 18X8 and a 18X10
fyi im geting the american racing hopsters
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Old Nov 12, 2005 | 08:19 AM
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Camaro SS's come with 9" wheels so the sizes you say are barely wider than stock . . . plus the tire size would be the same.

8" wheels can go as small as a 35 ish offset. F&R
9.5" wheels can go with a 38 mm offset. F&R
11" wheels a 50 mm offset is best.
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Old Nov 12, 2005 | 02:21 PM
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ok so 17x11 in the back. but tell me why i should go wider in the front. whats the advanatages
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Old Nov 12, 2005 | 09:45 PM
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more rubber on the road will increase grip, which will decrease udersteer, and shorten breaking distance when the vast majority of a car's weight transfers to the front wheels. Also, when you have a much larger rear tire than front you will increase the understeer as well. With that said I wouldn't go wider than a 9.5 inch rim up front unless your really into autocrossing.
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Old Nov 13, 2005 | 12:33 PM
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I agree with BlueSS,

Going any wider than 275s on 9.5" wheels in the front will just increase rolling resistance that much, slowing you down....so it's not good for drag racing...hence the use of skinnies. The other problem is that the car will hunt for ruts in the road even more, and then of course is driving in the rain, which will be a nightmare with 315s on the front.

275's is what I have on the car, and it does fine in pretty much all conditions.
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Old Nov 13, 2005 | 02:28 PM
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my stock 245's pull when i go over thoes ruts. i want to try to reduce that
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Old Nov 14, 2005 | 01:05 AM
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Originally Posted by bad6as
my stock 245's pull when i go over thoes ruts. i want to try to reduce that

Well, that also has to do with tire design. Directional tires do more pulling than some cheap touring tire. And the wider the fronts, the more they will pull, it's just the nature of the beast.

Manny
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Old Nov 14, 2005 | 05:27 AM
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i run these monsters in the front
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Old Nov 14, 2005 | 07:42 AM
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im thinking about maby smaller then 245"
this is my DD.
i like to drag race. street and track
but i like to go fast on the twisties. maby just maby i might do a auto-x in the spring?
my new rims will be 17x11 in the back (that be ok for my driving habbits)
then a 17x7/7.5/8 what with for the front would be best?
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Old Nov 14, 2005 | 09:00 AM
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With a 17" x 8" wheel a 245/45ZR17 is the best bet.
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Old Nov 14, 2005 | 02:59 PM
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if you go with a 245 in the front and I'm assuming a 315 in the rear your gonna increase your under steer when you push it in the corners. I would recommend a 275 on a 9.5 inch rim so you don't have such a big difference in tire size front to back.
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