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Thread: Bolt on Big Brake Kit For around 300$.

  1. #401
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    Default Re: Bolt on Big Brake Kit For around 300$.

    Not in my budget but these are interesting. You can even get them with a full floating option. https://ceika-store.com/products/coert146

    I'll be using the normal cast iron on mine I think.

    I'm going to make an aluminum hubcentric bushing that attaches through the back of the rotor and then gets another bushing pressed on the front of it for the wheel centering. That way I don't have to deal with a bunch of loose spacers when I take the wheels off. I'll have to press it off the rotors if I ever change the rotors but whatever.
    87' 1JZ W58 Holset HY35W

  2. #402
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    Default Re: Bolt on Big Brake Kit For around 300$.

    I noticed something else useful today while test fitting my calipers. The rear brake hoses for our cars are a much better fit than the front hoses are. They have the same type of ends as the mercedes hoses and they're almost exactly the proper length. You only have to put a piece of rubber over the hose in the middle where it rubs the side of the shock (like the mercedes s430 hoses have on them). Actually the mercedes s430 hoses look like they'd fit as well but I don't have one here to try.

    I did have a spare rear hose though.



    Also, these calipers fit fine with the 17" Drag DR31 (Work Emotion CR-Kai knock offs). I can't remember the specs on the wheels, I'll try to remember to post that later. I spaced the calipers out 6mm to be sure they'd fit since I don't have rotors yet.

    87' 1JZ W58 Holset HY35W

  3. #403
    Joe Yantz
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    Default Re: Bolt on Big Brake Kit For around 300$.

    Stupid question time: couldn't you just have the proper 5x114.3 bolt pattern drilled between the R350s 5x112 holes and not need to bother with the centering rings?

    Like so?



    Also, we really need to get a running list of wheels that these fit under
    Last edited by yhatzee89; June 7th, 2017 at 10:14 AM.
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  4. #404
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    Default Re: Bolt on Big Brake Kit For around 300$.

    Hub Centric is always preferred over lug centric.

    Same applies for wheels.
    I rebuild / upgrade Supra Differentials - PM me for more information.

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  5. #405
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    Default Re: Bolt on Big Brake Kit For around 300$.

    Or run the 350z rotors being 5X114.3

  6. #406
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    Default Re: Bolt on Big Brake Kit For around 300$.

    Mine are done. I still have to bleed them better and bed the pads.

    Using rear brake hoses worked perfectly. They don't rub anything after all, they fit perfect. Only mod to them is to grind the "keyed" sides of the mounting nut so it fits the keying on the hose bracket on the subframe.


    I decided to just machine the hub rings for the rotors down flush like everyone else was doing rather than doing what I was talking about earlier. That way the rings for the wheels are all the same on all four wheels and no chance I'll mix them up when rotating tires. I got rings on ebay rather than turning them myself, to save some time. I thinned them to 0.275" thickness (0.010" thinner than the rotor hats).


    I did the caliper spacers out of 17-4PH stainless steel in H900 condition. I found 9/64th (0.0140") to be the perfect spacing.



    87' 1JZ W58 Holset HY35W

  7. #407
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    Default Re: Bolt on Big Brake Kit For around 300$.

    Good note on the rear brake lines usage.

    What wheels are you using? And dimensions, dia, backspacing ect..
    I rebuild / upgrade Supra Differentials - PM me for more information.

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  8. #408
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    Default Re: Bolt on Big Brake Kit For around 300$.

    My wheels are Drag DR31 17x9" +38 offset.

    Edit: Ignore this, they weren't bled...----> I'm not happy with the distance you have to push the pedal to move the slack out of all the extra pistons. These calipers seem to retract the pistons a lot when you let off the pedal. I'm sure they're bled but I still have an excessive dead space at the top of the pedal travel.

    My wheel bearings are good (and new) so I don't think they're the cause.

    My solution is going to be to try a 97 t100 1 ton abs master cylinder. It moves 12% more fluid at 1 1/16" bore.

    Probably a good idea anyway to help refine pedal feel since I deleted my abs years back.
    Last edited by destrux; June 27th, 2017 at 09:36 AM.
    87' 1JZ W58 Holset HY35W

  9. #409
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    Default Re: Bolt on Big Brake Kit For around 300$.

    You are positive no air is in the system?
    The square cut seals on the caliper pistons only return the piston ~1 / 2mm max
    This is primarily determined by the hardness of the piston seal and the chamfer dimensions cut into the caliper.

    Good patent writeup here on the subject:
    http://www.freepatentsonline.com/5826681.pdf

    Does your master cylinder have good new seals in it?
    I rebuild / upgrade Supra Differentials - PM me for more information.

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  10. #410
    Project OVERKILL!!!
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    Default Re: Bolt on Big Brake Kit For around 300$.

    Quote Originally Posted by destrux View Post
    I'm sure they're bled but I still have an excessive dead space at the top of the pedal travel.
    I have the same issue with mine. But I was experiencing the same thing with the factory brake setup prior to the conversion. Now quite a while back I replaced the Master Cylinder with a refurbished OEM Aisin unit. Perhaps I needed to adjust the push-rod to the new cylinder? I didn't think about it at the time, but that's the only thing I can see it being at this point. Anyone have any luck adjusting the push-rod nut without removing the brake lines from the Master? Because there's no chance in hell I'm dealing with bleeding the air out of this system again.

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