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Thread: GZ20 Front and Rear brakes dimensions?

  1. #1
    Junior Member Automotive Encyclopaedia Hengsta's Avatar
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    Default GZ20 Front and Rear brakes dimensions?

    Howdy guys, had a search but cant really find the dimensions i need. I only could find the JZA70 and MA70 dimensions.

    Any ideas on what the sizes are for the front and rear GZ20 brakes dimensions?

    Also if anyone knows the offset for R32 GTS-T rims?

    Any help much appriciated

    Cheers,
    Heng
    -Sleeper 2J + R154 X83
    -GQ 93 Mav, 4.2 Diesel, 35" BFG KM2's, 4" lift, 3" Exhaust, Front Locked, Rear shimmed, Sliders, IPF foggies, UHF, 2871R and Intercooled.

  2. #2
    "it went up in a jiffy" Conversion King Kedderz's Avatar
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    Default Re: GZ20 Front and Rear brakes dimensions?

    if it helps ga70 brakes are the same, might be easier to find specs.
    RA23 - Twincharged
    JZZ20 - Daily

  3. #3
    HP Guru Backyard Mechanic driftedmz20's Avatar
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    Default Re: GZ20 Front and Rear brakes dimensions?

    280mm x 22 for Z20

    all the supra's have same calipers but are 300mm

    i have a set of gtst rims at home in garage....ill check the offsets on them tonight when i get home from work unless someone knows and beets me too it!

  4. #4
    Junior Member Automotive Encyclopaedia Hengsta's Avatar
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    Default Re: GZ20 Front and Rear brakes dimensions?

    Quote Originally Posted by driftedmz20
    280mm x 22 for Z20

    all the supra's have same calipers but are 300mm

    i have a set of gtst rims at home in garage....ill check the offsets on them tonight when i get home from work unless someone knows and beets me too it!
    Im guessing that is the size for the fronts?

    I need sizes for the rears.

    Nah i got a set of gtst rims here but just dont know where to look for the offset lol
    -Sleeper 2J + R154 X83
    -GQ 93 Mav, 4.2 Diesel, 35" BFG KM2's, 4" lift, 3" Exhaust, Front Locked, Rear shimmed, Sliders, IPF foggies, UHF, 2871R and Intercooled.

  5. #5
    HP Guru Backyard Mechanic driftedmz20's Avatar
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    Default Re: GZ20 Front and Rear brakes dimensions?

    offset is like on the side front in a weird spot lol........youll find it if you look hard enough

  6. #6
    Junior Member Automotive Encyclopaedia Hengsta's Avatar
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    Default Re: GZ20 Front and Rear brakes dimensions?

    Soo anyone knows the rear sizes??
    -Sleeper 2J + R154 X83
    -GQ 93 Mav, 4.2 Diesel, 35" BFG KM2's, 4" lift, 3" Exhaust, Front Locked, Rear shimmed, Sliders, IPF foggies, UHF, 2871R and Intercooled.

  7. #7
    Junior Member Domestic Engineer
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    Default Re: GZ20 Front and Rear brakes dimensions?

    this is a really old thread, but I am after these specs also.

    Hopefully someone can help

  8. #8
    Junior Member Carport Converter Z2TT's Avatar
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    Default Re: GZ20 Front and Rear brakes dimensions?

    I think some Supra's came with 280mm too aswell as 300mm as there is lots of different part numbers on Toyodiy on the supra front Rotors.

  9. #9
    Junior Member Domestic Engineer
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    Default Re: GZ20 Front and Rear brakes dimensions?

    ok cool, I need to upgrade my fronts to 280mm+ and upgrade rears to disk for engineers. RA65 with 1ggte.
    Well all my brake specs need to be the same or better than the 88 soarer that the motor came from.

  10. #10
    Junior Member Grease Monkey
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    Default Re: GZ20 Front and Rear brakes dimensions?

    I'm 99.9% sure they are they same combination of rotor and disk on the front and rear of GA70/GZ20. They look the exact same, just mounted with the calipers at a different rotation. I beleive the MA70/MZ20 had larger on the front only.

  11. #11
    Junior Member Carport Converter Z2TT's Avatar
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    Default Re: GZ20 Front and Rear brakes dimensions?

    I've heard all z20's had 280mm, and that only some a70's came with the 300mm ones.

  12. #12
    Junior Member Domestic Engineer
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    Default Re: GZ20 Front and Rear brakes dimensions?

    Anyone got a link to a thread showing whats needed for a rear disc conversion on a ra65?

  13. #13
    Forum Member 1st year Apprentice
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    Default Re: GZ20 Front and Rear brakes dimensions?

    hey just to clear it up

    front
    mz20/gz20/ga70(early) 280mm
    ma70/jza70/ga70(late) 300mm

    rear
    all the same 291mm

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