Converting SR5 Brakes to Sport Brakes

2K34R

New member
If I wanted to change my smaller SR5 Rotors for larger Sport Rotors, what would be needed. Which is the best way to go about this?

Since I have 20" rims, I'd like larger rotors to help with the stopping.

I really don't have a problem braking, but I'm thinking in terms of the long run.

Is there any one out there that has a sport, and has wanted 16" rims but couldn't because of your rotors?

Would some one like to trade your front brakes for mine?

Would it actually be that that easy to just flip flop the rotors?
 
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If your gonna go through the trouble of swapping on some Sport brakes which are slightly larger, my opinion don't waste your time, look into aftermarket brakes, probably cost the same thing but you could get much larger brakes/rotors;):
 
The standard brakes on 4Runners really work well, they usually rank top of the class in stopping power. You honestly don't need to upgrade unless you plan to pull a good sized trailer that doesn't have trailer brakes.

But if you need to, there are several components that could make a difference; drilled/slotted/grooved rotors, steel-braided brake lines, and high performance pads. Unfortunately there are not a lot of aftermarket parts available. I don
 
already working on this...

Brembo's official party line is as follows:

Hello Kevin,



Thank you for your interest in Brembo Brakes.


I am sorry but we do not offer any brakes for the 2003 and up Toyota 4Runner.


Best regards,



Bob Chmelka

Race Technologies


I wrote to them a few months back and this was the response. I have several other inquiries out about cross-drilled rotors, but everyone at this point is saying nothing available, although something might be able to be custom made (for a lot of $$$).

Remember that those larger front rotors are only on the front, not at all corners.
 
DevineT4R said:
I believe Stoptech makes a BB kit for the T4R.

http://www.stoptech.com/productphotos/4runner/4runner.htm

StopTech front wheel Big Brake Upgrade for the 2004 Toyota 4Runner. The kit includes ST-40 4-piston front calipers painted red, black, or silver, 7075-T6 billet aluminum caliper mounting brackets, 355x32mm slotted, floating, front AeroRotors, 7075-T6 billet aluminum AeroHats with directional standoffs, StopTech SS (DOT compliant) front brake lines, and Axxis Ultimate front brake pads. Requires 18 inch or larger wheels, however not all 18 inch wheels will fit. Please check the wheel fitment chart for your car. Options: Drilled rotors - $100 per pair; Yellow or blue paint - $200 per pair of calipers and 30 day lead time.

$2695.00 - Item No. 83-864-4700
 
$2700 (for just the 2 front brakes) and that doesn't include 4 new wheels (you will Need). WOW, now that's an expensive upgrade. Looks sweet!

Koz
 
Koz said:
$2700 (for just the 2 front brakes) and that doesn't include 4 new wheels (you will Need). WOW, now that's an expensive upgrade. Looks sweet!

Koz

LOL, agree on everything you said :D

The Ebay one you listed is the cheapest I've seen for all 4 Discs, but I've never heard of the company so I'm skeptical. I bought cross drilled front rotors for my celica and they were at least 100 a pop from power slot.
 
Yeah the ebay ones don't even state a size. The stoptech ones are really nice, but $2700....! Wow.

Really my only concern is that with rims as larg as mine, they tend to be heavier, and require a little more work to stop and slow down, especially from high speeds.

I think the slightly larger rotors, would help this, right?

I wonder is you can find the parts at a junk yard or something, or I've heard of a lot people that wanted smaller rims, for larger tires, and couldn't because of the rotors.

As a matter of fact I am starting to feel it now where slowing down from 70 to 55 there is a small little shake in the steering wheel.
 
Koz said:
If I were you I would start with stainless brake lines and performance pads.

Koz

I agree with Koz. If you want better brakes, its easier to go with better brake pads and stainless steel lines. The lines won't flex as much as rubber lines.

The bigger discs will just lessen brake fade due to heat build up.
 
Hmmmm, I was thinking of doing the same thing whenever it came time for new brake rotors. My thought was that since I had upgraded to the 17" rims, I only had to buy the slightly larger rotors to fit.

Now ya'll come with this $2700 kit deal and all of a sudden my stock brakes appear to have such "wonderful" stopping power!
:awais:
 
I'm pretty surprised to see that all I have to do is change the pads and the brake lines.


Which one of the pads are best, heavy duty or ceramic?

I know it's probably a dumb question, but...How do the brake lines make a difference?
 
The brake lines are plastic, during braking especially in hot weather the fluid tempature rises and the plastic tubes flex, the steel lines prevent the tubes from flexing, thats all I know but I also wonder why cars use to have steel lines and they went to plastic, dumb move when the cars are gettng faster and they can always benefit from better brakes;):
 
Just a few more questions if anyone can help?


1. Ceramic or heavy duty pads (which disclose that thay will make more braking noise)?

2. With the stainless steel lines, should I do front and rear or only the front, since that is where most of the problem lies?

3. Would ANY of you actully consider either of these (see links)?

http://cgi.ebay.com/ebaymotors/ws/e...=7963808978&rd=1&sspagename=STRK:MEWA:IT&rd=1

OR

http://cgi.ebay.com/ebaymotors/ws/e...=7963773652&rd=1&sspagename=STRK:MEWA:IT&rd=1

Thanks for your help guys!
 

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