Tundra brakes on frs? - Page 2 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

xjohnx · 08-29-2012, 09:39 AM

Quote:

Originally Posted by Captain Snooze

With due respect I was just quoting that link I posted. I am merely repeating information from that thread. Which, to me (not knowing anything about STI brakes) seemed like valid points. Ah... maybe I should have said mutually exclusive points. You can have one of two problems.

Yep, I was just raising a counter-point to see if there was a reason to avoid going that route. There does not appear to be one.

EZWood · 08-29-2012, 09:49 AM

Quote:

Originally Posted by Vracer111

Tundra brakes? You know how much unsprung weight that would add?!?! If you want a serious upgrade, a real upgrade, then consider these:

http://www.essexpartsblog.com/news/E...em-Development

Do you know how much weight that is? Why don't you inform me please?
This whole thing was just a thought based on vw guys putting Tuareg and Lamborghini brakes on their jettas and golfs. Seems like its not the best option, but I would like to hear something from someone with some facts, not speculation.

Captain Snooze · 08-29-2012, 09:59 AM

Quote:

Originally Posted by EZWood

vw guys putting Tuareg and Lamborghini brakes on their jettas and golfs.

EZWood · 08-29-2012, 10:02 AM

Quote:

Originally Posted by Captain Snooze

I don't see what's so funny. Volkswagen owns Audi, Bugatti, and their most recent purchase of Porsche, not to mention their ties with other manufacturers.

Captain Snooze · 08-29-2012, 10:06 AM

Of course I don't know what I'm talking about but it sounds funny.

One wants the smallest brakes that will do the job. A Lamborghini weighs how much and goes how fast? A Touareg weighs how much? Have you read the Essex Parts build thread/blog? They are claiming 20 pounds (total both sides) saving with their Sprint system and 8-10 pounds (total) with their Endurance system. Why would you fit something that weighs more?

EZWood · 08-29-2012, 10:12 AM

Quote:

Originally Posted by Captain Snooze

Sound like huge overkill to me. One wants the smallest brakes that will do the job. A Lamborghini weighs how much and goes how fast? A Touareg weighs how much?

I'm not saying something like that is necessary, it wasn't something I would have done if I had kept my jetta, but like I said before all this was a thought on possibly saving people money on upgrading their frs or brz.

Captain Snooze · 08-29-2012, 10:25 AM

Ok. Serious time. I apologise for the laughing smilies. It was my 1st reaction not knowing anything about vw people putting Lamborghini brakes on their golfs.

I do not know anything about the reality of fitting STI brakes to a BRZ/86 but I think it sounds a lot better than the idea of trying to fit Tundra brakes.

Dave-ROR · 08-29-2012, 10:37 AM

Quote:

Originally Posted by Captain Snooze

With due respect I was just quoting that link I posted. I am merely repeating information from that thread. Which, to me (not knowing anything about STI brakes) seemed like valid points. Ah... maybe I should have said mutually exclusive points. You can have one of two problems.

I have just read your link. Makes sense. Okies, I am not sure how to amend all my posts to take that into account.

Since then it was discovered that at least some year STI calipers can have the bleeders moved to the other side, which fixes the issue.

However, that doesn't change the fact that most here will never *need* bigger brakes and that they *will not* do anything good for you on the street.

RYU · 08-29-2012, 10:38 AM

The biggest issue with fitting brakes on ANY car willy nilly is the likely chance of upsetting the brake bias. In a car this balanced do you really want to take the risk? If you're going for bling then fine...

If you had asked about piston sizes instead then I know you'd be at least attempting to calculate brake bias. Then possibly fitting any old calipers from some <insert car here> would make sense.

Racecomp Engineering · 08-29-2012, 10:38 AM

If you could make them fit, which would take a custom bracket, bigger wheels, and custom rotors, it wouldn't be a performance improvement.

A big front heavy truck like a Tundra is going to have way too much front bias and will lock up the front tires very easily when used on a FT86. The increase in unsprung weight will be substantial and have a noticeable impact on ride, handling, and acceleration.

Short version: don't do it.

- Andrew

Draco-REX · 08-29-2012, 11:46 AM

Aren't the Subaru 4/2pot calipers nearly bolt-up? I don't think they're directional like the Brembos...

ill86 · 08-29-2012, 11:55 AM

Quote:

Originally Posted by Shiny

Tundra brake will be too heavy. Plus the tundra has different bolt patron (6 for the tundra and 5 for the 86).

FYI - Second Gen Tundra has a PCD of 5x150.

Dave-ROR · 08-29-2012, 11:57 AM

Quote:

Originally Posted by Draco-REX

Aren't the Subaru 4/2pot calipers nearly bolt-up? I don't think they're directional like the Brembos...

The fronts should bolt up, I don't know about the rears.

Draco-REX · 08-29-2012, 12:01 PM

Quote:

Originally Posted by Dave-ROR

The fronts should bolt up, I don't know about the rears.

They might require GroupN rotors.. Hmm. Wish I had a Subaru parts computer so I could compare part#s..

08-29-2012, 10:06 AM	#19
Captain Snooze Because compromise ® Join Date: Jan 2012 Drives: Red Herring Location: australia Posts: 7,823 Thanks: 4,053 Thanked 9,565 Times in 4,199 Posts Mentioned: 60 Post(s)	Of course I don't know what I'm talking about but it sounds funny. One wants the smallest brakes that will do the job. A Lamborghini weighs how much and goes how fast? A Touareg weighs how much? Have you read the Essex Parts build thread/blog? They are claiming 20 pounds (total both sides) saving with their Sprint system and 8-10 pounds (total) with their Endurance system. Why would you fit something that weighs more? Last edited by Captain Snooze; 08-29-2012 at 10:16 AM.

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08-29-2012, 10:25 AM	#21
Captain Snooze Because compromise ® Join Date: Jan 2012 Drives: Red Herring Location: australia Posts: 7,823 Thanks: 4,053 Thanked 9,565 Times in 4,199 Posts Mentioned: 60 Post(s)	Ok. Serious time. I apologise for the laughing smilies. It was my 1st reaction not knowing anything about vw people putting Lamborghini brakes on their golfs. I do not know anything about the reality of fitting STI brakes to a BRZ/86 but I think it sounds a lot better than the idea of trying to fit Tundra brakes.

08-29-2012, 10:38 AM	#23
RYU Senior Member Join Date: Dec 2011 Drives: really slow... Location: Los Angeles (SGV) Posts: 737 Thanks: 340 Thanked 253 Times in 145 Posts Mentioned: 10 Post(s)	The biggest issue with fitting brakes on ANY car willy nilly is the likely chance of upsetting the brake bias. In a car this balanced do you really want to take the risk? If you're going for bling then fine... If you had asked about piston sizes instead then I know you'd be at least attempting to calculate brake bias. Then possibly fitting any old calipers from some <insert car here> would make sense.

08-29-2012, 10:38 AM	#24
Racecomp Engineering Join Date: Nov 2011 Drives: 2016 BRZ, 2012 Paris Di2 & 2018 STI Location: Severn, MD Posts: 5,520 Thanks: 3,542 Thanked 7,416 Times in 3,034 Posts Mentioned: 311 Post(s)	If you could make them fit, which would take a custom bracket, bigger wheels, and custom rotors, it wouldn't be a performance improvement. A big front heavy truck like a Tundra is going to have way too much front bias and will lock up the front tires very easily when used on a FT86. The increase in unsprung weight will be substantial and have a noticeable impact on ride, handling, and acceleration. Short version: don't do it. - Andrew

08-29-2012, 11:46 AM	#25
Draco-REX Corner Junkie Join Date: Feb 2012 Drives: 13 BRZ, 11 STI, 99 RS Location: Ohio Posts: 2,908 Thanks: 129 Thanked 1,521 Times in 702 Posts Mentioned: 11 Post(s)	Aren't the Subaru 4/2pot calipers nearly bolt-up? I don't think they're directional like the Brembos...

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