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How noticable is a 2lb increase in wheel weight?

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Old Dec 3, 2008, 12:11 PM
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How noticable is a 2lb increase in wheel weight?

How noticable would it be to go with wheels that weigh 2lbs more than the stockers?
Old Dec 3, 2008, 12:36 PM
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you would never notice
Old Dec 3, 2008, 12:39 PM
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But it will make your car slower, handle worse, branke worse, and use more gas.

Scorke
Old Dec 3, 2008, 12:42 PM
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depends if its just 2 pounds being the same size wheel or 2 pounds and your increasing contact patch. there is a reason a lot of the time attack cars run the nto3s 18x9.5 so that they can run a big tire.
Old Dec 3, 2008, 12:44 PM
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Originally Posted by shuttlegoose
depends if its just 2 pounds being the same size wheel or 2 pounds and your increasing contact patch. there is a reason a lot of the time attack cars run the nto3s 18x9.5 so that they can run a big tire.
stockers VS 18x9s
Old Dec 3, 2008, 12:52 PM
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In terms of feel probably not any, but I can tell you for a fact that 245/40/17 tires on 16.5lb wheels gained significant MPG on the highway compared to 255/40/17 tires on the Stock VIII wheels, and that's WITH the the heavier stock wheels and 255 tires loaded in the car, plus jack, tools, airtank, etc. for probably well over 150 additional lb. of cargo.
Old Dec 3, 2008, 12:54 PM
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Originally Posted by hokiruu
In terms of feel probably not any, but I can tell you for a fact that 245/40/17 tires on 16.5lb wheels gained significant MPG on the highway compared to 255/40/17 tires on the Stock VIII wheels, and that's WITH the the heavier stock wheels and 255 tires loaded in the car, plus jack, tools, airtank, etc. for probably well over 150 additional lb. of cargo.
well yeah, that makes sense that a skinnier, lighter wheel/tire would get better mileage
Old Dec 3, 2008, 01:23 PM
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In a sense it's a trade off. You won't FEEL the difference in a straight line. But the added width will help with the handling and the general feel of the car IMHO.
Old Dec 3, 2008, 06:32 PM
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I think its worse to have a 2 lbs heavier tire than a 2 lbs heavier rim... In any case a lighter combo is more preferable from all aspects...
Old Dec 3, 2008, 08:04 PM
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I went from Evo IX Enkei's to BBS SE Wheels, and I could feel a difference after losing 2-3lbs/wheel.

Old Dec 3, 2008, 10:04 PM
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If you're quite sensitive about how the car behaves, 2 lbs per wheel is very noticeable. 2lbs more for a set you won't notice much.
Old Dec 4, 2008, 07:20 AM
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Originally Posted by hokiruu
In terms of feel probably not any, but I can tell you for a fact that 245/40/17 tires on 16.5lb wheels gained significant MPG on the highway compared to 255/40/17 tires on the Stock VIII wheels, and that's WITH the the heavier stock wheels and 255 tires loaded in the car, plus jack, tools, airtank, etc. for probably well over 150 additional lb. of cargo.
I don't doubt that the skinnier tires improve MPG by weighing less and having less rolling resistance. I do wonder though how much of the MPG gain comes from the tire being of smaller diameter .

Were you calculating miles traveled off of the odometer or from a GPS?

I expect that the a smaller diameter tire would cause the odometer to report more miles driven that is accurate, thus inflating MPG.
Old Dec 4, 2008, 07:23 AM
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I went from stock IX enkei's to stock X enkei's, and the car is slower
Old Dec 4, 2008, 08:54 AM
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Originally Posted by griffeyr
I went from stock IX enkei's to stock X enkei's, and the car is slower
That's also because you went from a 17 to a 18, so the weight is further out (even if the wheels weighed the same).

The further away from the fulcrum a weight is, the more force it takes to move it.
Old Dec 4, 2008, 09:17 AM
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Originally Posted by 286bhp
I don't doubt that the skinnier tires improve MPG by weighing less and having less rolling resistance. I do wonder though how much of the MPG gain comes from the tire being of smaller diameter .

Were you calculating miles traveled off of the odometer or from a GPS?

I expect that the a smaller diameter tire would cause the odometer to report more miles driven that is accurate, thus inflating MPG.
Odometer. It wasn't really a careful study, but I was on a road trip for a weekend race, and I always try to note my mileage per tank, and even without really expecting much I was pleasantly surprised.


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