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Unread 07-22-2015, 01:08 PM   #1
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Default upgrading brakes

I am looking to upgrade my stock brake setup. I am going to do new rotors, but not sure if I really need to replace the stock calipers. In order to install bigger rotors, do I need an adapter? or will they fit the stock hub?
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Unread 07-22-2015, 01:20 PM   #2
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I would stick with a rotor/pad upgrade with stainless steel brake lines and new fluid. That's what I did on my WRX and I was very happy with the results. Unless you're really tracking your car or you're looking for points at a show, I don't think a caliper upgrade is necessary. A good big brake kit will cost you well over $1000 and for your setup it's way overkill and won't actually grant you any extra stopping power without several other supporting upgrades. What I suggested can be had for probably $3-400 instead and will give you some pretty good results.

Think about it this way. If you're already able to slam the brakes and get the ABS to kick in with your current brake setup, adding bigger brakes won't really make you stop any faster. You'll just trigger the ABS (or lock up if ABS is off) faster. True stopping power comes from a combination of suspension, wheel/tire, AND brake upgrades. If you really wanted to do a good budget upgrade, I would go for some really sticky tires and a rotor/pad upgrade. Not only will this allow you to stop harder (because you now have more grip before the ABS kicks in) without breaking the bank on calipers, but sticky tires are great for handling too.

The upgrade I did improved the braking feel to where I didn't feel like I was working the brakes nearly as hard for the same stopping power. Good enough for me.
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Unread 07-22-2015, 01:25 PM   #3
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Yeah, I'm going to do one piece slotted rotors and some good ceramic pads. I think maybe I'll just clean up the calipers and paint them red, I've heard that adds 10hp. lol. I actually will do the red calipers because before I bought this car, the owner switched out the big TRD brake package with the big rotors and nice red TRD calipers for the stock rotors and calipers. Now I'll ask again, the rotors on my car are really small, about 10" in diameter and I would like the look and added performance of bigger rotors. Do I have to get an adapter for bigger rotors? Or can I just slap those big ones on and call it a day?
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Unread 07-22-2015, 03:47 PM   #4
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Quote:
Originally Posted by ValhallaAwaits View Post
Yeah, I'm going to do one piece slotted rotors and some good ceramic pads. I think maybe I'll just clean up the calipers and paint them red, I've heard that adds 10hp. lol. I actually will do the red calipers because before I bought this car, the owner switched out the big TRD brake package with the big rotors and nice red TRD calipers for the stock rotors and calipers. Now I'll ask again, the rotors on my car are really small, about 10" in diameter and I would like the look and added performance of bigger rotors. Do I have to get an adapter for bigger rotors? Or can I just slap those big ones on and call it a day?
You'll either need new calipers or an adapter bracket for bigger rotors.
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Unread 07-22-2015, 07:16 PM   #5
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I have pretty grippy tires now, they are toyo's. Not sure how good those stack up against bigger names, I have some pretty nice suspension upgrade already. I think I'll just go for a rotor and pad upgrade, thanks guys.
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Unread 07-22-2015, 07:28 PM   #6
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can someone recommend a good adapter? I believe my current spacing is 5x100. Is that the right measurement?
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Unread 07-23-2015, 03:06 PM   #7
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Quote:
Originally Posted by ValhallaAwaits View Post
can someone recommend a good adapter? I believe my current spacing is 5x100. Is that the right measurement?
An adapter for the brake caliper? I dunno man, you'd have to look it up and see who makes a kit. It's not going to be something you can just buy at an auto parts store. I bought the brackets for my rear from Baer, they make a kit for it that runs around $600. I did my fronts by buying GT500 salvage parts on Ebay and fixing them up. Again, another $600.
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Unread 07-23-2015, 08:12 PM   #8
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no not for the caliper, for the rotors, I want bigger rotors that will fit my lug pattern. I want to keep the calipers the same size.
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Unread 07-23-2015, 11:39 PM   #9
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Right now my stock rotors are at about 10" in diameter, I would like to go bigger.
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Unread 07-24-2015, 10:10 AM   #10
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Right... You don't get an adapter for the rotor... You get one for the caliper to move it further away from the center of the rotor to accommodate a larger diameter rotor...

Like I said, it's not something you'll easily find, especially for a car like a Scion.

You may want to do some more research into how brakes work if you are thinking the rotor needs some type of adapter.

If you want more performance get some better rotor and pads IMO.
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