Originally Posted by JC_ez
b)I am also assuming that the piston sizes are the same for the Tundra calipers (please correct me here if I am wrong since this DOES affect things).
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i didn't measure the piston diameter, but i did look at them and they appeared to be the exact same size - actually, they looked like the exact same part, just in a slightly different casing.
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Originally Posted by JC_ez
Having a larger contact patch (pad on rotor) just distributes this same force over a greater area: as before, P(A) = F(constant)/A. Thus, the overall effect is less pressure applied by the Tundra pad onto the rotor, but since the Tundra pad has a greater area, the total applied force stays the same with or without the Tundra upgrade.
Originally Posted by bamachem
oh, and to shoot down one of your assumptions... if the amount of force due to friction won't change with surface area, assuming that the overall pressure available to the caliper is constant, then why not have a tiny pad instead of a large one?
1. for race cars have no doubt that slotted rotors are a benefit, de-gassing does exist, i could care less what a company that makes street braking systems like stoptech says. when ap racing, alcon racing, brembo racing, performance friction does all the analysis and decided that for road racing they are a benefit, it is :) find me a road racing car without slotted rotors(unless rules don't permit, and ill show you a losing car) 2. the whole 300zxtt reference. clearly you have no engineering background at all. this was brought up twice as an argument to 4runners having sufficient brakes, and its wrong here's why. you are assuming braking abilities in static. in the real world, the 4runner's front brakes will have to do considerably more work than the 300zx. while the weight of both vehicles is close, the runner compared to the z has: center of gravity almost 5 times higher, does not have favorable instant roll centers, has long travel suspension, and is softly sprung. what all this means is the runner will have considerably more dynamic weight transfer to the front than the z when both are at full on braking(the thing that warps rotors, panic stops and long brake usage) so the z doesnt need as big as front brakes as the runner, and u notice the z has considerably stronger rear brakes than the runner. and on the track reference, i know this sounds cocky, but i race, and there is no production car(except ceramic brake 911s) that i could not cook the stock braking setup in a 20min track session(dont assume everyones braking ability is the same, im a demon on the brakes, and for me, abs is just a henderance, stock cars are designed for civilian use, so are their brakes), and the z's stock brakes were not the greatest in the first place, so the reference of the z have awesome stock brakes that are smaller than the runners, and that's the argument why the runners brakes are just fine is just incorrect. sorry, i know I'm just contributing to :horse: but i got to this thread late :) |
There is no stopping this dabate, lol
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i know, im sorry, i just couldnt help it, i tried to stay away from the keyboard, but it just kept calling me :)
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Originally Posted by motoracer47
i know, im sorry, i just couldnt help it, i tried to stay away from the keyboard, but it just kept calling me :)
Greg, to answer your question, I don't believe the Brembos warp nearly as fast as other brands so even if you go with stock size Brembos, with history/other's experiences as a guide, you should fair much better with those type. |
:great:
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Interesting read.
I, for one, will always be a fan of Autozone rotors. Are they better than Brembo or OEM? I don't think so. But they're readily available at my local stores, they're a little bit cheaper and they come with a warranty. I've raced on these Autozone rotors in my Integra Type R and S2000. I've had no issues with warping, cracking, or failure. Great rotors. I don't understand those that are bashing Autozone rotors. Have you guys tried them out? Go to any reputable race forum, and ask those that have used these rotors on their race cars. They'll tell you the same. Now, as far as the Tundra brake vs. OEM set up issue---I'm staying far away from that ball of tangled up fishing line...very far away. :D |
LOL...Good reading goin on here...
Heres something that may or may not answer a few questions... Not really specific to to the Tacos and 'Runners, but some things to consider... http://home.4x4wire.com/erik/4runner/brakes/ |
Dang did I miss out on a very good debate.... yes this thread is old, but i need to add my 2 cents..... Stock, my brakes worked great! I could easily lock them and have the ABS kick in, but with wider/ bigger tires and the additional weight, there is the need to really stomp on the brakes, even then, the ABS system has difficulty kicking in.
One thing not mentioned about the Tundra upgrade is the contact patch, pad on the rotor... from what I have seen it's a bit further out on the disc, which equates to better stopping force. Since I tow with my runner, I constantly maintain the system, it gets flushed on a regular basis. As for some of the comments made against the MOD, unless you have personally done it, or have compared it against someone who has, I would doubt everything you state. Many have done the mod, that have in the past done previous disc/pad replacements and have noticed a big difference between the two. I'm still running my original rotors, but have installed PF pads after my OEM ones wore out. I have looked into going the tundra route and may do this in the future, if and when I do, I'll be able to give a difinitive answer on performance. |
Stoptech(centric) Make A Very Nice Setup, I Put Them On A Few Weeks Ago And Have No Regrets.
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Anyone have experience with the Autozone warranty? Will they swap a new rotor for a warped one without any hassel? I'm surprised that their 15" rotor is $19, but their 16" rotor is $60. If the autozone warranty is trash, then I'm going with Brembos.
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Originally Posted by BruceTS
(Post 50398325)
, even then, the ABS system has difficulty kicking in.
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Originally Posted by Whitey13
(Post 50407749)
I've never heard this before. Certainly an interesting thing to think about when going with larger tires. Would this also stand to reason that your stopping distances are considerably longer?
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Originally Posted by johnw999
(Post 50407319)
Anyone have experience with the Autozone warranty?
on a p/u radiator that was folded in a accident (i was not the driver) it was replaced w/o question. i couldnt believe it. |
i have 30k miles on my factory rotors and pads and they do just fine!! 2002 tacoma xtra cab
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