widened steelie question
 

Ill probably get flamed for this but o well. Im just curious as to if it would be ok to run widened steelies on a stock na without problems. Reason i ask is since there so heavy. Any help would be appreciated thanks

The problem will be the weight and how poorly Miatas react to heavy wheels.

Your car will be considerably slower. Your car will be more uncomfortable to drive/ride in. Your car will handle worse in corners.

There are several lightweight choices in steel racing wheels, especially in 13", but 1.8 brakes won't clear the 13s. The 15s exist but are a little heavier than the 13s. They exist because many types of racing don't allow aluminum wheels.

Bottom line is it is your car and you can do whatever you want with it.

oo ok thanks. comfort isnt my main issue it was mostly how much slower it would make the car,being its slow enough and if it would have any issues with diff or anything

The rotational weigh of the wheels counts about three times as much against you for accelerating and braking as static weight of the rest of the car does. Any of the rotating mass of the drivetrain, wheels, and brakes will be critical for acceleration, especially in an underpowered car. Heavier is much slower. Lighter is better.

aight thanks. guess that idea is out the window lol

do it anyway. it's probably 10% of the cost of the equivalent non-steel wheel.

well im also looking at some panasport c8's

Why widen shitty, soft wheels? Why not buy some Diamond Racing steel wheels...they're cheap and come in wide 15" sizes.

thats what i was looking at diamond racing wheels but theyre still heavy

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Sources on this? Not doubting you, curious about it.

Oh, really?

Here's one. You can put info in this spreadsheet on your tires and wheels or look at what is already in there as an example. Concentrate on the changes in results at "Tire + Wheel Edge Weighted" and "Chassis Weight Equivalent" at the bottom right for the four wheel total difference.

http://the-welters.com/racing/rotational.xls

There is some background info here :
http://the-welters.com/racing/rotational.html

I recommend Googling lots of different sources for a better understanding.



Anecdotal:
Cliff_J
Jul13-04, 03:05 PM

Here's just a single example but relevant to your question. On the Speed channel is a show called "Sports Car Revolution" where they have a project Acura RSX. When they went to larger diameter discs that were two pounds lighter and larger diameter wheels with the same overall weight, they lost 12 horsepower. They're using a dynojet which uses the acceleration of heavy drums to measure horsepower. Their source concluded that even though the overall mass of the brakes and wheel/tire combination was less, the distribution at a larger radius accounted for the 7% loss in power.

Chester - if you needed to pry open a crate, would you prefer a 6" crowbar or a 3' crowbar?

Same for flywheels. Think back to some pictures of the really old-school stuff and you'll see some flywheels where its basically spokes supporting a large ring on the outside, all the mass is concentrated at as large a diameter as possible.

For a wheel, one could have a very heavy center section and very light rim, the other a super-light center section and heavier rim. As a flywheel they could work out to be either way. I hope the flywheel metaphor works for you, its pretty simple to think that if it stores energy it must have energy input into it to get it up to speed. And if you're using engine power to spin up the flywheel, that leaves less power to accelerate the car.

Cliff

One of the reasons the weight of a wheel and tire hurt acceleration so much is that it must be accelerated twice, both forward through space and rotationally. It likewise hinders braking.

A little light mathematics exploring the subject with regard to automobiles:

http://hpwizard.com/rotational-inertia.html

Bookmarked for future nerding. Good shit right there.

Just check out some Bassets or diamond racings. It looks similar to steelies and they're cheap! with nice sizing!

For Sale thread from "elbreezy" in 3....2......

Why would that be bad? I have a miata. I also am learning a lot from this site. I was also on topic. Im curious why he would want widened steelies when he can just get bassets/or diamond racing which are lighter and similar looking.

because 9 out of 10 outsiders/strangers that hop on here to sell their shit without being part of the community are low life pieces of shit that scammed tons of people on here. We like to buy/sell within the community of honest/helpful forum members and friends and generally have low opinions of n00bs until you prove otherwise. That takes time.