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Discussion Starter #1
Anyone have any idea what the lightest wheel available for the mn12 is? My 17x9 Cobra Rs weigh a ton.
 

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if you want a really light wheel, Volk/Rays Engineering makes wheels in just about any size. They are extremely light. Also, I have heard you can get BBS rims in a blank hub and have them drilled to your bolt pattern.

joseph
 

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Axis Mag-Lite. 17s are 14lbs. 4x100 is the only bolt pattern they make. You can ask for different ones, but I don't know if they'll make it. You can also look at Saleen and Steeda wheels, I believe that they both make light racing wheels for Mustangs.
 

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Discussion Starter #5
Let me clarify. What's the lightest off the shelf, non custom wheel for an mn12 that already comes in a 5x4.25 bolt pattern? Or does anyone have a table of what certain wheels weigh?
 

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centerlines are only 7 inches wide
 

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Pooperscooper, 245-45 should be on at least 8" wheels ...


Mercutio, here's a question ... why are you concerned with finding light wheels for a near 4000 lb. street car ??


cheers,
Ed Nicholson
SCCoO
 

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Discussion Starter #13
Fast Ed, part of it is just curiosity, part of it is also because rotating mass is a real killer to performance. If I could pick one area on the entire car to lose weight, it would be the wheels and tires...it takes a lot of energy to keep them going, and they're obviously placed far away from the centerline of the vehicle. I lost 2-3 mpg just by switching from my factory rims and tires to 17x9s and 255/45-17s, and I'm not sure the increase in available traction makes up for the increase in inertia off the line. Don't get me wrong, I don't think my bird will ever be a Ferrari, but if you're going to get new wheels, why not get light ones, so long as they're strong enough for a car this size?

Anyone know where I can buy some of those OZ Superleggeras, preferably in 17x8? OZ's website doesn't list them as being available for our cars, and the only size listed for the Taurus is 16x7. Also, I know about those spin-forged Centerlines, and they're pretty sweet, but I'm not aware of any style or fitment for our cars on those, either.
 

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Discussion Starter #15
Thanks, pooperscooper. The price on those OZs isn't that bad, really, compared to what most wheels out there cost. I think people on this site (myself included) just get spoiled by $150 Cobra Rs and so on, even though they're not really very good wheels. Can't say I especially care for the style of any of the centerlines for our cars...I actually like those 7-spoke import wheels (241 or 246, I think) best.
 

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my adr maze 17x7 are pretty light though...
 

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mercutio said:
Fast Ed, part of it is just curiosity, part of it is also because rotating mass is a real killer to performance. If I could pick one area on the entire car to lose weight, it would be the wheels and tires...it takes a lot of energy to keep them going, and they're obviously placed far away from the centerline of the vehicle. I lost 2-3 mpg just by switching from my factory rims and tires to 17x9s and 255/45-17s, and I'm not sure the increase in available traction makes up for the increase in inertia off the line. Don't get me wrong, I don't think my bird will ever be a Ferrari, but if you're going to get new wheels, why not get light ones, so long as they're strong enough for a car this size?
I'll back you on this one buddy. I used to race bicycles (well actually triathlons) and ANY bike racer will tell you the FIRST place to shave weight is rotating mass. I used to use all kinds of things to shave weight. Alloy rims, latex innertubes, titanium spokes, kevlar lined tires, Look pedals, Aluminum cranks......... Ever spend 2000.00 on a used bicycle? :D
 

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fast Ed N said:
here's a question ... why are you concerned with finding light wheels for a near 4000 lb. street car ??


cheers,
Ed Nicholson
SCCoO
Simple. Unsprung Weight. You should know that Fast Eddie. ;)
 

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mercutio said:
My 275/40s won't fit on 7 inch wide wheels...ideally I'd like 255/50s all around.
ed never said lighter wheels wont help, or that they would hinder performance. i think i would be close in saying that the pint ed may be getting at(if he is getting at a point) is similar to swimmers shaving their legs. for a novice, it si gooing to make no difference, now to a trained professional where milliseconds matter, it will.

i'm sure on a bike that weighs 10lbs, 1-2 lbs makes a big difference. but how much difference does 5-7lbs really make compared to a 3800lbs+ vehicle? i'm sure the difference would only be noticed by those who have improved everything else on their vehicle beforehand.

is someone going to post that their 1/4 time dropped due to lighter wheels? here, probably. would they have gotten an even better time goign with 15 or 16 inch wheels and slicks, you betcha.

is someone goign to post how they feel a handling improvement after going from stockers to some 'lighter' wheels and tires, again, probably. would they have felt an even better improvement by going with 17x9 or 18x9 and a replica wheel, i would say so.

until proven otherwise, i'm willign to bet that no wheel company manufactures a 9 inch wheel that is overly underweight. the replicas are ungodly heavy. they are not made to be light, they are made to hold a wider tire and to look good, which they do well.

in the next few weeks, i'm going to try and make 275/40-18's work all the way around on my sc. fitting them on my heavy *** replicas, i'm willign to bet they will handle a lot better than a super light wheel with a skinnier tire.

if someone really wants to spend the money, there are a lot of billet wheel companies out there that will build whatever the hell you want. but again, the money saved on replicas could be put into something else to help you gain more than handling and performance on a better budget.
 

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PowderBoyDTC said:
.....i'm sure on a bike that weighs 10lbs, 1-2 lbs makes a big difference. but how much difference does 5-7lbs really make compared to a 3800lbs+ vehicle? i'm sure the difference would only be noticed by those who have improved everything else on their vehicle beforehand.........
10lb bike! I wish! I got mine down to 17lbs, and that was with a carbon fiber frame. But I was on a budget. Anyway i agree that there are probably better and more cost effective ways to improve performance, especially on a T-Bird! I was just agreeing that rotating mass is different than static mass.
 
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