StopTech true BIG Brake Kit for 400$ (DIY) - Page 7 - Toyota FJ Cruiser Forum
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post #61 of 400 (permalink) Old 05-12-2016, 11:00 AM
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Re: StopTech true BIG Brake Kit for 400$ (DIY)

Cross drilled and slotted rotors are more about heat dissipation and less about style. They definitely have their place in the world, particularly in the cities where you have a lot more stop and go traffic. Larger brakes are more about surface area contact for more friction with less heat. Also, if you are going to use a carbon fiber formula in your brake pad setup, such as with the Power Stop and other aftermarket brands, it's a good idea to upgrade to DOT4 brake fluid which is glycol based, and deals with heat and interior moisture better than DOT3 fluid. I don't recommend carbon fiber brake pads unless it is a dedicated high performance application.


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post #62 of 400 (permalink) Old 05-12-2016, 12:39 PM
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Re: StopTech true BIG Brake Kit for 400$ (DIY)

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.... Larger brakes are more about surface area contact for more friction with less heat. ...
Sorry but it was bugging me. Surface area isn't considered when friction is involved, only the force between the brake pad and the rotor. The larger area reduces pressure (Pressure = Force/Area) which is better for wear and the larger area is better for heat dissipation.
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post #63 of 400 (permalink) Old 05-12-2016, 12:39 PM
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Re: StopTech true BIG Brake Kit for 400$ (DIY)

@Karabaras , has had some trouble with StopTech slotted brakes cracking.

Thoughts anyone?

https://www.fjcruiserforums.com/forum...ml#post7512162
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post #64 of 400 (permalink) Old 05-12-2016, 01:54 PM
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Re: StopTech true BIG Brake Kit for 400$ (DIY)

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Sorry but it was bugging me. Surface area isn't considered when friction is involved, only the force between the brake pad and the rotor. The larger area reduces pressure (Pressure = Force/Area) which is better for wear and the larger area is better for heat dissipation.
Less friction for a given pressure. That's basically what I was saying.


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post #65 of 400 (permalink) Old 05-13-2016, 04:43 AM
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Re: StopTech true BIG Brake Kit for 400$ (DIY)

I just want to confirm- will this upgrade fit using 17" wheels?


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post #66 of 400 (permalink) Old 05-13-2016, 09:09 AM
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Re: StopTech true BIG Brake Kit for 400$ (DIY)

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I just want to confirm- will this upgrade fit using 17" wheels?


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Yes but not any smaller. You need at least 17" wheels.
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post #67 of 400 (permalink) Old 05-13-2016, 10:37 AM
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Re: StopTech true BIG Brake Kit for 400$ (DIY)

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Yes but not any smaller. You need at least 17" wheels.
is the trd big brake kit allowing use of 16" wheels?

and by using spacers on stoptech true big brake kit would allow to use 16" wheels?
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post #68 of 400 (permalink) Old 05-13-2016, 10:59 AM
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Re: StopTech true BIG Brake Kit for 400$ (DIY)

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Yes but not any smaller. You need at least 17" wheels.
You mean you can't run these, bro?
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post #69 of 400 (permalink) Old 05-13-2016, 11:05 AM
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Re: StopTech true BIG Brake Kit for 400$ (DIY)

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CabinCruiser previously said: View Post
Cross drilled and slotted rotors are more about heat dissipation and less about style. They definitely have their place in the world, particularly in the cities where you have a lot more stop and go traffic. Larger brakes are more about surface area contact for more friction with less heat. Also, if you are going to use a carbon fiber formula in your brake pad setup, such as with the Power Stop and other aftermarket brands, it's a good idea to upgrade to DOT4 brake fluid which is glycol based, and deals with heat and interior moisture better than DOT3 fluid. I don't recommend carbon fiber brake pads unless it is a dedicated high performance application.
OP doesn't want thread to be drilled vs. smooth rotors but read elsewhere why drilled do not dissipate heat, especially from PADS, as you might expect. I think you'll be swayed. Old school at this point and not seen much on the track these days.

One short article to build on if any are interested.
Rotors: Blank vs Cross Drilled vs Slotted and Warping | Automotive Thinker - Discussing the finer points of automobiles
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post #70 of 400 (permalink) Old 05-13-2016, 11:10 AM
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Re: StopTech true BIG Brake Kit for 400$ (DIY)

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OP doesn't want thread to be drilled vs. smooth rotors but read elsewhere why drilled do not dissipate heat, especially from PADS, as you might expect. I think you'll be swayed. Old school at this point and not seen much on the track these days.

One short article to build on if any are interested.
Rotors: Blank vs Cross Drilled vs Slotted and Warping | Automotive Thinker - Discussing the finer points of automobiles
I think that's why race teams replace them after every race. Old school or not, I'll take what the factory supplied my trucks with.
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