I have some nice 16" wheels on my car and want to put bigger brakes on it. So What I am trying to find out is if there is another car that I can use to turn them into 11". I would do a 12" brake upgrade but it wont fit under the wheels.Any ideas.


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Some N-W-F cars actually used 16" wheels... so are you sure 12" won't clear your wheels?

The stock rotors are 10.2", trying to find something 11" would be hardly worth the bother.




14.330 @ 96.37mph

I think I am just going to use my 11.25 off my lumina. Might need a little machining but I have drilled rotors, hawk pads and new calipers.. If I can get it to work for under $150 then I am golden. Not only going to bigger rotors but 2 piston.


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FAST2.4 P wrote:I think I am just going to use my 11.25 off my lumina. Might need a little machining but I have drilled rotors, hawk pads and new calipers.. If I can get it to work for under $150 then I am golden. Not only going to bigger rotors but 2 piston.

If you've got the ability to mod your spindles for this, go for it. A 1" rotor size increase coupled with the dual piston caliper should give you a noticeable improvement, and that shouldn't cost you anything since you already have the parts.

my wilwoods fit 16's not factory wheels tho




R.I.P. Brian Klocke, you will never be forgotten

Humm, what kit you have? I have rays 16" wheels. I am wondering if they would fit.


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Well I have a dilema. The welder cant weld my old brackets, and the machinest cant machine the parts, they told me the material is too hard. So I cant afford $800+ for a kit right now as I just spent 3k on a motor thats getting rebuilt. So What should I do? Should I buy wilwood calipers and make a set of brackets? Thats still gonna cost me $300-$350, but then all I have to do later on is buy the new mounts and rotors and I have the kit.


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Will camero brakes fit? Anyone try this?


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H body swap FTW.

What were you getting machined anyways? The spindles? I've never seen forged spindles before, so they shouldn't be too hard to machine, since they're probably cast.

Sounds like you're getting the run around... I've never understood why shops turn down work they can do...

Time to smear them by writing a nasty letter to the editor!

KFLO wrote:Sounds like you're getting the run around... I've never understood why shops turn down work they can do...

Usually ignorance. If they don't know something for a fact, they don't want to use any brain power to figure it out, or ask some questions.

They said they can do it, but it would be very brittle. So I said no, dont do it. I have been dealing with these guys for a long time, years. They would not turn me down at all.


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What exactly would need done to the spindles to make the brakes work for you???

What processes is the machine shop using to achieve this?

Something tells me they arent giving you the whole story.

They told me that they can machine and weld my brackets off my lumina but it would be very damgerous. So on to the next plan. What is the bolt mounting distance of a f-body caliper? I know the j's are 5.75 and my lumina was 6.25. so I am wondering if all i need are the calipers and brackets from a camero?


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you are going to be in a similar situation with those....depending on the F-body you are getting donor parts from.

Yeah I know, so what should I do here? I already cut the tabs on one side for the bigger rotors.


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here's my 12" I put on mine, still can use stock 16" wheels
vette rotors and fiero calipers

well until you figure out a good setup......pick up a pair of spindles from a junk yard.....that way if you ever swap back, you already have the spindles.

Can I get a pic of the back of those caliper mounting points. I think I can squeeze the 12" camaro calipers behind my 16" wheels. Thats should make a very nice set-up. I am thinking it will cost me around $300 for eveything then I just sell my old lumina parts and I should be able to pull it off for around 150$. I will let you guys know. Right now I am trying to find the distance between the f body mounting bolt holes.


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With my mind moving 1000x a minute, I did not even look at the obvious. I am going to make the lumina brakes work with a very simple bracket. Should cost no more than $50-$70 bucks.


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post up pics....

Will do when i get it cut and put on the car.


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Here are your "easiest" options, because I also researched this in the past.

Stock - 10.2 x 0.8 rotors with 2.25" dia calipers or so.

1) N swap - Nbody knuckles, hubs, axles, tie rods, ball joints, rotors (11x1), and calipers (2.5" dia,).

2) NW swap - Nbody knuckles, hubs, axles, tie rods, ball joints, W/G rotors (12x1.25), and W/G calipers (2.5" dia,, wider jaw). Knuckles will need to be drilled out a size higher (12mm vs 14 mm bolts)

3) NWF swap - Nbody knuckles, hubs, axles, tie rods, ball joints, W/G rotors (12x1.25), and F calipers (dual piston).

Wilwood dynapro calipers like the ones in the cavalier kit are $269 each last I checked. You can get the dynalite calipers for like $150 I believe, but then you gotta source your own rotors (that will fit, and GOOD LUCK with that because wilwood does not make standard size rotors) and figure out a SAFE way to mount them to the stock knuckles. I did a LOT of research on this, and honestly if you don't know what you're getting into, I'd definitely not go this way.

I have option 2 on my car, with aftermarket 16's. They fit very nicely and snugly inside my rims




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- Sold my beloved J in April 2010 -

Well you guys wanted it lol. Here are my sunfire brakes, just put htme on today.












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