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2000-2006 Tundra big brake upgrade kit (14WA calipers)

Discussion in '1st Gen Tundras (2000-2006)' started by googlydoodle, Jan 30, 2020.

  1. Jan 30, 2020 at 2:18 PM
    #1
    googlydoodle

    googlydoodle [OP] New Member

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    If you guys are looking to get bigger brake rotors and calipers that are sized larger than 13WL’s, the 14WA calipers and rotors are the way to go.

    14WA calipers came on 2010+ Lexus GX460’s and 2015+ Toyota 4Runners.

    I’ve tested this kit on five different trucks (including my own 04Dc) now and it’s a huge improvement in stopping power and reduced brake fade when towing.
    14WA has
    1.0” larger diameter rotor
    .5” wider rotor
    Improved cooling fins
    Larger caliper pistons (.2”) compared to the 13WL’s.

    the entire kit is a direct bolt on except one minor clearance issue with the larger caliper and rotors.
    To correct the offset I machine the tabs very slightly to align the caliper to the rotor.

    it’s hard to describe where the machine takes place, but I can provide info on that if requested.

    hopefully some of this info helps you figure out options to increase stopping power.

    I also have options to increase master cylinder, brake booster and how to do the LSPV delete and install a manual prop valve for fine tuning the brakes.

    668C94A0-FBF4-4806-A775-4681440CBC78.jpg
    414B0F52-590D-4CB4-A019-4836068E22BB.jpg
    F34C7DA6-4151-4788-98D0-B4B66A07CBAF.jpg
    1EA33D12-66DF-436C-9466-7CA48B90CAA7.jpg
     
  2. Jan 30, 2020 at 2:24 PM
    #2
    empty_lord

    empty_lord They see me rollin'

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    Are you machining the mounting ears of the calipers? That’s what my thought process was to do. Trying to get free time to run and use my buddies mill to try it on a caliper I have laying around from a 18 4runner

    think it was 2.2mm to remove if I did my math right
     
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  3. Jan 30, 2020 at 2:26 PM
    #3
    googlydoodle

    googlydoodle [OP] New Member

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    Yup. You just mill the inside of the ears on the caliper mounting tabs.

    I take off 3.0mm to align it to the rotor. That seems to be the sweet spot
     
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  4. Jan 30, 2020 at 2:29 PM
    #4
    empty_lord

    empty_lord They see me rollin'

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    I shall mess around with that.
    Makes me wonder if the wilwood Tacoma big brake kit can easily be adapted to the tundra. Rotors the same mounting depth as the 4runners. A lot more money though

    Well, add more stuff to the list of to-dos. Still debating a rear disc swap too
     
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  5. Jan 30, 2020 at 2:35 PM
    #5
    BubbaW

    BubbaW FAA Tweaker

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    Mind showing that list....curious minds are asking how far down the list the 2020 86 HU DIY is:hattip:


    :crapstorm:
     
  6. Jan 30, 2020 at 2:37 PM
    #6
    googlydoodle

    googlydoodle [OP] New Member

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    the disc brake conversion is pretty cool looking. But as far as increased stopping power goes there really isn’t much to be gained. Drum brakes actually are more powerful than disc brakes psi for psi.
     
  7. Jan 30, 2020 at 2:41 PM
    #7
    empty_lord

    empty_lord They see me rollin'

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    Yea they’re definitely not a massive improvement. My though was just to do it because my drums are out of round... oem drums are expensive.


    And I have a set of 2016 4runner rear calipers sitting collecting dust.
     
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  8. Jan 30, 2020 at 2:42 PM
    #8
    empty_lord

    empty_lord They see me rollin'

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    Still waiting on them coming up used. $750 new my cost. No happening.

    the write up will be soon. Waiting on the backup camera harness, might be in today or tomorrow
     
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  9. Jan 30, 2020 at 2:43 PM
    #9
    googlydoodle

    googlydoodle [OP] New Member

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    as far as cool factor goes and the ease of repairs in the future it’s a viable option for
    Sure. From my understanding the “go to” parts to be used are Sequoia backing plates and calipers.
     
  10. Jan 30, 2020 at 2:45 PM
    #10
    empty_lord

    empty_lord They see me rollin'

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    Yup, sequoia stuff is what the kit uses. But I believe the 4runner stuff should bolt up. Haven’t tried it yet. Trucks got a bit other things to have done first
     
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  11. Jan 30, 2020 at 3:10 PM
    #11
    Professional Hand Model

    Professional Hand Model A.K.A ‘Golden Hands’

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    Can you fill us in on the details of your manual proportioning valve?
     
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  12. Jan 30, 2020 at 5:26 PM
    #12
    FirstGenVol

    FirstGenVol The "Mangler"

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    Can you share any pictures?
     
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  13. Feb 3, 2020 at 9:26 PM
    #13
    Norcalyotaman

    Norcalyotaman New Member

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    Is this a kit you make and are selling? Or did you just buy the parts and machine the calipers?

    Also what improvements have you made to the booster and master cylinder?
     
  14. Feb 3, 2020 at 9:41 PM
    #14
    bmf4069

    bmf4069 Yup, that's car parts in a dishwasher

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    This takes 17" wheels though, right?
     
  15. Feb 3, 2020 at 9:53 PM
    #15
    empty_lord

    empty_lord They see me rollin'

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    yes
     
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  16. Feb 4, 2020 at 12:23 PM
    #16
    slixx1320

    slixx1320 New Member

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    ^^ What he said...
     
  17. Feb 5, 2020 at 3:53 PM
    #17
    Professional Hand Model

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  18. Mar 14, 2020 at 11:57 AM
    #18
    googlydoodle

    googlydoodle [OP] New Member

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    I remove 3.5MM's from the inside of the ears to align caliper to the rotor to make this a direct bolt on item.

    IMG_2067.jpg
     
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  19. Mar 14, 2020 at 11:58 AM
    #19
    googlydoodle

    googlydoodle [OP] New Member

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    right where the shiny parts is.

    67630996_2319936384720328_7021177424696049664_n.jpg
     
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  20. Mar 14, 2020 at 11:58 AM
    #20
    googlydoodle

    googlydoodle [OP] New Member

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    You can see it here as well

    67220502_2319936408053659_4770082887590477824_n.jpg
     
  21. Mar 14, 2020 at 12:00 PM
    #21
    googlydoodle

    googlydoodle [OP] New Member

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    I have them professionally machined to keep the surfaces perfectly true and straight.
     
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  22. Mar 14, 2020 at 12:27 PM
    #22
    bmf4069

    bmf4069 Yup, that's car parts in a dishwasher

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    So who can machine them? Any shop with a mill? I've had bad experiences with my local machine shop...
     
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  23. Mar 14, 2020 at 1:03 PM
    #23
    empty_lord

    empty_lord They see me rollin'

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    Well, the op does sell them and would be the easiest way to make sure it’s done right.
     
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  24. Mar 14, 2020 at 2:05 PM
    #24
    FirstGenVol

    FirstGenVol The "Mangler"

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    Do we need to private message you for pricing? Do you include new pads too or just the rotors and calipers? I think many of us would be interested in your pricing as brakes are one of the most discussed topics here.
     
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  25. Mar 14, 2020 at 4:17 PM
    #25
    googlydoodle

    googlydoodle [OP] New Member

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    I have them machined by a General Machinist facility. Most Automotive machinists will not touch these calipers or they do not posses the proper equipment to do so.
     
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  26. Mar 14, 2020 at 4:21 PM
    #26
    googlydoodle

    googlydoodle [OP] New Member

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    And yes I do offer these at my shop The Yota Guy.

    I sell either Silver Zinc coated or Red Powder coated machined Calipers for $350.00 a set with no core charge. Shipping usually ranges from $30-$40.
    Its roughly a 3 week turn around time because every order is upon request and i dont keep any on the shelf.

    I do not sell the pads and rotors to go with these calipers. It does not make any sense for me to do so since all you have to do is purchase 2010-2015 Lexus GX460 brake pads and rotors of your choice.

    I only offer the calipers.

    You can contact my business The Yota Guy @ 385-212-1889
     
  27. Mar 14, 2020 at 4:25 PM
    #27
    googlydoodle

    googlydoodle [OP] New Member

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    Pertaining to the Master cylinder and brake booster questions. Factory Tundra master cylinders are 15/16" bore. To reduce excessive brake pedal travel you can install T100 1" bore master cylinder and the Dual Diaphragm brake booster.
     
  28. Mar 14, 2020 at 4:29 PM
    #28
    bmf4069

    bmf4069 Yup, that's car parts in a dishwasher

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    That's awesome. I've seen a bunch of your stuff on the FB page. It's a bit too.....different over there for me. I think we'd all love it if you could post more of your workings here. You and jose seem to have a lot of cool shit going on.
     
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  29. Mar 14, 2020 at 4:32 PM
    #29
    googlydoodle

    googlydoodle [OP] New Member

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    And the manual prop valve i suggested is designed to eliminate the rear LSPV (load sensing proportioning valve) and install a Manual prop valve in its place. Wilwood performance brakes makes the manual prop valve i used. You can install it in the location of where the LSPV used to be located.

    Ideally you want to install the manual prop valve in a location that can easily be adjusted. since it is manual, you will have to fine tune your brake pressure depending on your needs (camper, towing, high clearance rear bumper, front calipers, master cylinder/brake booster options) etc.

    The best place to mount a manual prop valve is inside the cab near the driver to make adjustments on the fly or in the engine bay near the master cylinder.

    When doing the LSPV delete you will need to locate the inlet/outlet and return lines. Cap off the return line and mount the manual prop valve near the spare tire carrier and it will all bolt in.

    to mount the LSPV anywhere else you will need a brake line flaring tool, brake line bending tool, brake line and brake line fittings. (metric)

    The LSPV return line goes to the bottom of the master cylinder in the T-fitting. It would be best to cap off at that location and you will need to follow the brake lines to determine which one is the correct line.
     
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  30. Mar 14, 2020 at 4:35 PM
    #30
    googlydoodle

    googlydoodle [OP] New Member

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    I will see about posting my work here more often. I am posting to so many places at once it can be hard to give advice on all platforms.
     
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