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Thread: How to: Supra MA70 rear discs to Hilux

  1. #76
    Junior Member Automotive Encyclopaedia infotechplus's Avatar
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    Default Re: How to: Supra MA70 rear discs to Hilux

    OK. I have punched out the two long studs from the MA70 backing pate and set them aside. In their place I've put two short bolts and nuts with a spring washer. This is probably important as when you redrill the backing plate you have to grind away a small piece of the reinforced plate that holds the handbrake mechanism on on the other side.

    Here's the inside of the MA70 backing plate. I've used three original Hilux studs and one of the MA70 backing plate (longer) studs at the most thickest point. Remember you have to also allow for the caliper bracket. There was no need in my case to take any of the internal diameter away as these backing plates slid straight on!



    And here's the other side:



    Here's an angled view showing the longer MA70 stud. Don't worry as the nut from the Hilux studs also fits on this stud.



    I went to Western Brake and Steering on Friday afternoon, and Danny and I installed a new bearing, collar and circlip on each Hilux axle, as well as the backing plate itself.

    The Hilux wheel bearing kit (Amaando AM3074K is the part no.) I purchased included bearing, collar, O-ring and seal for the diff axle housing and new seal for the axle itself. A good investment at $30 each (+GST):



    Here's a test fit of gianttomato's caliper bracket on the Hilux axle - a perfect fit but remember that these are supplied as a mirror pair L and R. They aren't labelled but you'll see easily which is which.



    And from the reverse side. Make sure the welded tabs are on the inside of the bracket. As you can see plenty of thread on the studs, which is good:



    So just to sum up, when installing this upgrade on a Hilux (at least an RN85R) you will need:

    gt caliper bracket - one pair
    original hilux studs and MA70 stud (no need for Hiace studs unless your particular application has short studs. The Hilux ones were longer than the Hiace ones!)
    MA70 backing plate, redrilled and modded
    MA70 handbrake internals
    MA70 calipers
    MA70 hubs (rotors)
    MA70 brake pads
    Liteace handbrake cables - 2 passenger side ones are beaut length
    Brake lines - I got new stainless ones made up

    Axles installed with new seals and handbrake cable in:



    In the next couple of posts I will put up all the photos I took. Not much need for explanation but if anyone wants to discuss/ask questions now that I've finished I am more than happy to assist.

    Here's a couple to start -

    Tolerances are beautiful - tight but nicely designed, with plenty of space under my 17" Hokuto Racing wheels:





    Cheers,

    Peter
    Last edited by infotechplus; 25-09-2017 at 07:30 AM. Reason: Typos
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  2. #77
    Junior Member Automotive Encyclopaedia infotechplus's Avatar
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    Default Re: How to: Supra MA70 rear discs to Hilux

    MA70 Supra Disk Brake Conversion on RN85R Hilux:

    Caliper bracket bolted on:



    New brake line! I've also installed a washer on each caliper bolt as I didn't want the thread coming out on the other side. A small washer made the bolt flush with the bracket.



    View of the calipers behind the wheel, with hub (rotor) and pads all installed:



    Hub installed. I replaced two of the wheel studs on this side as one was broken off when I bought the Lux and another had been cross-threaded:



    Side view:



    Caliper on, ready to install pads:



    Pads installed:



    All done:





    Brake line installed:



    Next post ...
    Last edited by infotechplus; 25-09-2017 at 07:45 AM.
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  3. #78
    Junior Member Automotive Encyclopaedia infotechplus's Avatar
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    Default Re: How to: Supra MA70 rear discs to Hilux

    Rotor installed:



    Wheel on:









    OK. That's it. Job done.

    My special thanks to 'gt' for the caliper brackets, and 'pure-in-sanity' for passing on his so that I could finish, and 'Robbos_Toyotas' for tips along the way.

    Cheers,

    Peter
    Last edited by infotechplus; 25-09-2017 at 08:26 AM.
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  4. #79
    Plumber Automotive Encyclopaedia Robbos_Toyotas's Avatar
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    Default Re: How to: Supra MA70 rear discs to Hilux

    looking good there peter
    THE OFFICIAL TOYMODS BOGAN
    MA61 - sunroof., 7MGTE, 4.11 lsd, w58
    MA61 - Built 2JZ, 9" diff, big brakes -1st car + the toy
    LN167 - dual cab fourbie, gu patrol chassis + suspension/ driveline, built 1.5jz

  5. #80
    Junior Member Automotive Encyclopaedia infotechplus's Avatar
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    Default Re: How to: Supra MA70 rear discs to Hilux

    Quote Originally Posted by Robbos_Toyotas
    looking good there peter
    Yeah, thanks. Man, am I glad that's over.

    Well almost. I am just waiting on an MA70 booster and master cylinder, and I'll get that setup as you suggested.

    Cheers,

    Peter
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  6. #81
    Sleeper Central Backyard Mechanic Pure_In_Sanity's Avatar
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    Default Re: How to: Supra MA70 rear discs to Hilux

    Great work Pete, very neat indeed!

  7. #82
    anti blasphemy ! Carport Converter
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    Default Re: How to: Supra MA70 rear discs to Hilux

    hehe has any1 else got a brake braket that they dont want
    i dont have a funny or cool signature.

  8. #83
    iconoclast Backyard Mechanic Youngy's Avatar
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    Default Re: How to: Supra MA70 rear discs to Hilux

    That's great!

    Do you think this set-up would sit inside a 15 inch rim?

    Cheers

  9. #84
    Plumber Automotive Encyclopaedia Robbos_Toyotas's Avatar
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    Default Re: How to: Supra MA70 rear discs to Hilux

    well i drove mine for the 1st time today - the brakes are sweet! no locking up from the rears - its as if they were meant to be there!!

    i really need to get my tray on though, wheelspin was aplenty with the v6 in it haha
    THE OFFICIAL TOYMODS BOGAN
    MA61 - sunroof., 7MGTE, 4.11 lsd, w58
    MA61 - Built 2JZ, 9" diff, big brakes -1st car + the toy
    LN167 - dual cab fourbie, gu patrol chassis + suspension/ driveline, built 1.5jz

  10. #85
    Junior Member Automotive Encyclopaedia infotechplus's Avatar
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    Default Re: How to: Supra MA70 rear discs to Hilux

    Quote Originally Posted by Robbos_Toyotas
    well i drove mine for the 1st time today - the brakes are sweet! no locking up from the rears - its as if they were meant to be there!!

    i really need to get my tray on though, wheelspin was aplenty with the v6 in it haha
    Nice one dude!

    I still have to finish my exhaust - neighbour stuck his head over the fence yesterday and gave me a serve for being so loud. Asked me to point the exhaust the other direction so I had to tell him I couldn't- "I don't have an exhaust yet". But it won't be long.



    cheers,

    Peter
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  11. #86
    Plumber Automotive Encyclopaedia Robbos_Toyotas's Avatar
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    Default Re: How to: Supra MA70 rear discs to Hilux

    they pull up nice and smooth hey...much better than the drums....thats driving a 2005 lux for comparison....
    THE OFFICIAL TOYMODS BOGAN
    MA61 - sunroof., 7MGTE, 4.11 lsd, w58
    MA61 - Built 2JZ, 9" diff, big brakes -1st car + the toy
    LN167 - dual cab fourbie, gu patrol chassis + suspension/ driveline, built 1.5jz

  12. #87
    My Wife says I have Too Much Toyota o_man_ra23's Avatar
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    Default Re: How to: Supra MA70 rear discs to Hilux

    Pete, tell ya neighbor to point his teenage good looking daughter/neice/whatever in your direction and you will point the exhaust away Otherwise shove the intended sized exhaust pipe up his arse I remember starting a stocko 3K corolla up with no exhaust... shit it was loud for a lawnmower motor

    Cheers, Owen
    Cheers, Owen
    1977 RA28 with 1JZ-GTE (Was 18R-GTE)
    Lancer EVO Brakes into old Celica/Corolla/Corona
    Doing the things that aren't popular... cause being popular and being good are often distinctly different.

  13. #88
    Junior Member Automotive Encyclopaedia infotechplus's Avatar
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    Default Re: How to: Supra MA70 rear discs to Hilux

    Quote Originally Posted by o_man_ra23
    Pete, tell ya neighbor to point his teenage good looking daughter/neice/whatever in your direction and you will point the exhaust away Otherwise shove the intended sized exhaust pipe up his arse I remember starting a stocko 3K corolla up with no exhaust... shit it was loud for a lawnmower motor

    Cheers, Owen
    Maaaaaaaatttttteeeee! It's loud! I love it. My eldest son came out and said "Fire up the accelerator cable" just to see the supercharger kick in. Yeeeeeeeeeeeeeeeeeaaaaaaahhhhhh!

    Cheers,

    Peter

    PS. Nah, I get on with my neighbour okay. His wife is sick so no sweat. I apologised. Much easier than causing friction.
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  14. #89
    iconoclast Backyard Mechanic Youngy's Avatar
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    Default Re: How to: Supra MA70 rear discs to Hilux

    Could you please post up the radius measurement from the centre of the axle to the outside of the caliper?

  15. #90
    Sleeper Central Backyard Mechanic Pure_In_Sanity's Avatar
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    Default Re: How to: Supra MA70 rear discs to Hilux

    They'll clear 15" wheels. I'm running AU falcon rims, and I've seen them snuck behind old ford 14" steelies as well.

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