15X10 wheel options discuss
 

Ok I’m finding the 15X9’s just aren’t wide enough for the 275/35/15 Hoosiers to work to potential and I am looking for options for wider wheels. They all seem expensive. I think I need pretty darn close to an +20 offset to work. A 15X10.5 might also fit but it will be very tight in the front though I think. The other issue is brake clearance, I’m running brakes meant for the track not just autocross, It is an 11.75” Dynapro MiniCooper setup so it won’t work with just any old 15” wheel. I think 15 lbs is my upper limit of acceptable weight so that pretty much rules out steel wheels.

15X10 options I have searched out so far

Work Equip 01: I really like the looks of these. Not sure of brake clearance. A-disc +22 maybe a good fit.
http://www.upgrademotoring.com/wheels/work_equip_01.htm

Work Equip 03: basically the same as the 01 with a different looking center. I like the 01 better.
http://www.upgrademotoring.com/wheels/work_equip03.htm

Bogart: Light weight US made appear to be good quality. Definitely a top contender.
http://www.bogartracingwheels.net/road-racing.htm

Kiezer: Rumors are they are super light but have flex and durability issues.
http://www.keizerwheels.com/

Kodiak: really nice looking. $530 a wheel is steep.
http://www.kodiakracingwheels.com/prices.html

Panasport C8-15: I think Panasport can custom make what I want.
http://www.racing-stuff.com/Styles-Racing.htm


Spin Werks Series 82: $249.20 ea. most likely the cheapest option, 15.5 lbs is probably a bit heavier than the some others.
http://www.racerpartswholesale.com/c...ries_82_Wheels

Spin Werks Series 85: 14.7 lbs and $401.49 slightly lighter and a lot more money.
http://www.racerpartswholesale.com/c...5_Wheels_Small

Id like to find more complete data on weights costs and brake fit for some of these.

Bob

Spin Werks was what I was looking at as a top contender personally.

No JDM overseas lag to deal with for replacements. Fitment though... no clue.

Im looking at these for next seson so I got a bit of time I can wait.

Bob

Yah, but if for some reason you break one... you have to wait for a replacement. Thats why I'd pick a US based company.

Clicked the thread to suggest Bogart or Kodiak.

Good point.

I have actually destroyed 2 949 15X9 wheels. A bolt fliped up off the track wedged between the caliper and the rim on one and nearly sawed it in two befor I got off the track and I bent another one somehow.

Bob

Kodiak is local to me. They are about 60 miles away. Painfully expensive though.

Bob

See if you can get some one else to go in on a miltiset deal. You will save about 42 per wheel.

Have a great day,
Jared

I am finding reports that the Spinwerks are significantly lighter than advertised. they changed the design and didnt update the listing or something.

A 15X10 wheel that weighs 12.8 lbs if it is true for under $250 is going to be tough to beat.

The Kodiaks might be cheaper than advertised on the web site as well.

Bob

Huh. Interested.

http://forum.miata.net/vb/showthread.php?t=391258

Looks to me like bang for buck the Spinwerks are going to win hands down.

It sort of makes sense to me they would be light. Similar spun outer rim and the stamped aluminum center doesn’t seem like it could be that heavy. Welding the center to the rim also seems like it would be lighter than a bolted connection possibly stronger as well due to having a complete circle for load transfer instead of discrete spots where the bolts are. Bogart increases the strength on some of there wheels as well by welding as well aparently. And lots of Keizer people seem to have cracking going on at the bolted connection in the hoops.

Bob

What are you looking for specifically? I have a friend who works there.... PM me and I'll see if I can get you a bit of a deal.

http://www.bogartracingwheels.net/im...e914-2-lrg.jpg
OMFG!!!!

i HATE 914's. but that thing is the sickest ever! better have a ls7 or 600whp sti motor

Definitely in to see how this develops as I've been thinking about the same thing myself... Bogart has been my first option for awhile though.

Argh, this topic just makes me upset at spending money :p.

<-- wants 15x10 spinwerks and 275 hoosiers all around.... ~2k ARGH.

Is there any 245/40/15 or so tire on the market yet? I've seen hints... wishes.... nothing more though. (Avon CR500, some Yoko overseas... )

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Saw a thread awhile back on another forum where a guy was running Keizers on his Miata. Not sure how it turned out though

Keizer considers their wheels as a wear item. That's why they're freaking light and break when used too long

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Well aware of this... I definitely wouldn't run them on the street but how is longevity really on a road course? Anyone know from experience?

I have known autocrossers that crack them in a season. constantly fixing leaks.

Bob

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Yikes... Doesn't sound good. Especially since they aren't slamming their cars into apexes at high rates of speed.

I have three sets of Keizer's.

A set of 13s that have been bullet proof.
A set of 15s that I have had about a year and a half with no problems.

And a set of 15's that I had them make as light as possible back in May of 2007. They just started to show some signs of cracking on the outer rim halves. When they made them they used material that was .125 thick (remember I asked for as light as possible) I just bought new outers that are .160 I can report back in another three and a half years and let you know if 28% thicker material lasts longer, but I think it will.

*Note, I only autocross the car, so no apex curb hopping for me.

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Chris, thanks for the info... Know of anyone with apex slamming experience with the thicker version?

A Miata broke a magnesium Kiezer wheel a couple weeks ago in Dallas. Unusually, it broke the center out, not the spun rim. Admittedly, it was 10+ years old with unknown maintenance and had been through a number of owners before the Miata. It broke in the middle of a turn, not on a pothole or curb.

Attachment 194552

Attachment 194553

dupe

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Yikes... That sucks.

Rise, rise mighty thread, rise from the dead...

So Bob, I know you ruled out steel wheels, but would the extra weight really be that detrimental? Not trying to be argumentative, just looking for more information as I am considering tires/wheels for next year's road racing as well. I know less weight is better of course, and why. Less mass, less rotating inertia, less unsprung weight. But, practically speaking, is it really that bad adding 2-3 lbs? Does it just make the car more unpleasant, or does it translate into real lap time reduction?

I know one guy locally that is running 275/35/15 slicks on 'lightweight' 15x10 steel wheels on his V8 Miata and he seems to be happy with them. That being said, he was not happy at all on his big tires about the bumpiness of a local track known for being very bumpy. I have driven on it myself in my LS1 Miata with 225/45/15 NT01s on 15x8 6ULs on a Koni Race 700/400 suspension. It is indeed pretty damn bumpy in one section. But that is just that one track. The others around here are much smoother.

Steel wheels aside, I agree that the 15x10 spinwerks wheels look like a great balance on cost and performance assuming they will fit over 11.75" rotors. I wonder if RPW or Spinwerks would be up for a group buy and what kind of discount they would give? Offhand I think maybe 4-6 sets could be sold here and on m.n, maybe more.

I am pretty happy with the NT01 225/45/15 costs and longevity. But if I get into NASA TT next year, which is quite possible, then having some fat hoosiers for the glory lap would be great. I think the plunge is inevitable. I have raced on sticky slick race tires on bikes and the additional grip is fantastic stuff.

So you hold the record in that car? It shouldn't be hard.

If his car is getting upset over the bumpiness of the track that could be caused by the extra weight of the steel wheels, he would probably notice more traction over the bumps with a lighter wheel.

DAMN! That freakin scary.

FWIW I think the 275 Hoosers are almost 3 lbs per tire lighter than 225 Nittos. I think most 15X10 steel wheels are over 20 lbs that I have seen though even the light ones. That is getting up there where I suspect there could be some drop off in suspension, brake, and acceleration performance. I've never tried anything that heavy though.

Bob

15x10 with a 6" backspacing at 12 lbs 2.4 oz

Barely fits 1.6 brakes, so oversize BBK need not apply.

http://i683.photobucket.com/albums/v...a/SNC10637.jpg

Since this is back from the dead I'll give my experience. I'd stay away from Kodiaks. We've had several sets of wheels made by them and 1) They just refuse to listen when you tell them what you want. We've had to ship back a bunch of inner hats because they weren't made to the spec we gave them. Some we had to refuse more than once, 2) We got a set that were clearly damaged during manufacture (large gashes in rim, no damage on boxes) but they just shipped them out anyway. They did eventually make good on all of the above, for what it's worth.

For what they charge for them, they should be better.

That is a deal breaker for serious track use.

theres always these wheels, although there a little pricey.

http://i426.photobucket.com/albums/p...15944100-1.jpg
The baddest new wheel for you racers is here! Our Exospeed STAR8 is a full forged 3 piece wheel. It consists of spun forged wheel halves with a forged center piece. All wheels are fully polished to a high luster. Price is per wheel.

Design: STAR8

Size: 15x10

Backspace: 5"

Lug Style: 4x100, Dual lug style - Acorn and Shank

Approximate Wt: 11 lbs

MSRP: $465.00 each
Applications:

•88-00 Civic/ Integra (exc. ITR)
•Corolla
•Miata
•Nissan Sentra SE-R
•VW
* Popular sizes are IN STOCK ready to ship. Some sizes and backspace are custom order and only takes 2-3 days to manufacture.



Model: STAR8-151054100
Shipping Weight: 20lbs



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Those look nice.

A 15X10 with a 5" backspace and 275's will have issues with the tire hitting unibody structure on the back side of the front wheel opening at full steering lock. That is a little more work than cutting fenders and adding flares. Might could get away with limiting some turn angle but I think something that works out to be about a 20mm offset is what you want about a 6"-6.25" backspace.

Bob

this is good info to know!

so a 10" wide wheel in front with a 5" backspacing will have issues but with a 6" - 6.25" backspacing should clear?

http://www.HondaMarketplace.com/show....php?t=2851623

read this first.......

When I took the spring off and did articulation studies it looked like an ET of 15 - 20 was the narrow range that would work right on AN NA with that wide of tire to me. Anything else would compromise wheel cut or bump travel without doing allot more hacking than just the fender lip. What that works out too in backspace measurement varies by wheel manufacturer. The inside lip width seems to vary from ~1/4" to 5/8" depending on manufacturer then there is some manufacturers like Kodiak that measure backspace from the inside of the lip furthering the confusion. If they would all use ET it would be allot easier to figure out where the tire ends up relative to the hub.

Bob

LOL, first i've seen this post. I am the current owner of these wheels and was driving when the failure happened (interesting ride, glad it was ax and not track).

The age of the wheels was unknown, however the maintenance was not. When I purchased them used, they were 13x8. I packed them up and shipped them to Keiser requesting that they refurbish them and make them 13x9 in the process.

The wheels were put through some ax and NASA time trial events (tws,msr-c, hallett) and rode their fair share of curbs.

Keiser said they were older style magnesium centers and they have since changed them. Obviously there was no warranty, however they were very accomodating on options and prices for replacemet centers. They say their alum centers are stronger, but not as light (these are retarded light).

Overall, I'd not run the magnesium centers on roadcourses unless you are well under 2000 lbs, like some open wheel or radical type car.

For ax, they are badass light and fun.

Well, im gonna be doing a fair amount of hacking on my car to install the Tuckin99 copies. im just trying to figure out what i can get away with, but may not run more than a 9" wide wheel all the way around due to the fact that the widest street tire for 15s is a 225.

i do remember reading somwhere on here about sombody making a 245 tire for 15s (im still searching for that)

Those look like they have the same issue with large brakes as the Weld wheels. The center is actually made for a 13" wheel and the lip/barrel is cone shaped to stretch it out to a 15" wheel.

I spoke to the guys at Small Fortune Racing about those wheels. They are not just an "old" version, they are one of the oldest versions and had almost no engineering done to the shape. They've been revised at least three times, removing stress risers on the back (where your wheels broke), thickening the front ribs and introducing then removing a "K" inscribed on each spoke. The newest version actually has some engineering behind it and should be significantly stronger.

edit. I should have done some searching before i posted, didnt take too long to find this, width is unkown but i doubt that even matters. You can see the gap between the rotors to give u an idea if u think theyd fit or not.
http://lh6.ggpht.com/_ISJa6QOsPQw/S4...0/100_0675.JPG

That picture is a spinwerks 13" wheel. The guy posted it on miata.net.

Bob

What about Weld Draglites? They are made in a 4 bolt pattern. Huge number of sizes and offsets. Mid 200's price wise. 15x10's look to weigh around 14.5lbs according to a quick search. Don't know how the drag wheel holds up to road course work but they are forged. Would be worth giving Weld a call and looking for recommendations.

http://weldracing.com/street-perform...rge/dfs-1.html

http://weldracing.com/media/catalog/...cksquare_1.jpg

My 15x10 SPin Werks showed up today. ~15.5 pounds. Pretty, well made but not very light. $1005.00 shipped to my door, I'm pleased for the money.

That weight for 10" wide is pretty sweet IMO

Got pics?

15.5lbs for a big 10"? Sounds reasonably light for that size to me.

me too ^^^^ i'd be happy with that.

and cueball, no way those welds will hold up to road course use.

What brakes are you using?

looks like there will be issues with my 11.75" big brakes with where the drop section is.

Bob

1.6 brakes.

Is it even possible to lock one of those 275s up with 1.6 brakes?

brakes are WAY over rated...

Maybe for auto cross, but the last time I used 1.6 brakes at the track I went through a brand new set of hawks in 3 laps at thunder hill.

Figured it'd be worth asking them. I doubt it too but they are forged aluminum. I'll send them an email and see if they have any products they'd say are appropriate for road course duty.

So the Spun Werks aren't holding up to track duty? I was looking at them last night on MiataRoadster and wanted some more info on them.

HA HA HA,,,,, good one!