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Thread: Old school Front 5 stud conversion & Brake upgrade... MUST SEE

  1. #16
    Junior Member Too Much Toyota
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    Default Re: RA28 Front 5 stud conversion...

    Quote Originally Posted by RAd28
    so the MA61 might be an easy 5 stud conversion for the RA28, if you were to go with something like the RA60 rotors?
    nearly, the MS65 might be an easy 5 stud conversion for the RA28

    but using MA61 struts will give you way too much positive camber.

  2. #17
    Junior Member Domestic Engineer Pube's Avatar
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    Default Re: RA28 Front 5 stud conversion...

    If you are after commodore pattern, early commodore use the same sized bearings and have an integrual hub which means both disk and hub are as one. A VN disk will fit onto both RA23/28 and XT130 strut and you can get a VN group A disk which measures 330mm. I think i purchased a set of cross drilled and slotted VN DBA 290mm disks for $150 each and bought some new VT calipers for $100 a pair and they are alloy and can hold a pad with a large surface area. Still havent got around to making a bracket to hold the caliper to the strut though but that will be piss.

  3. #18
    Junior Member Carport Converter RAd28's Avatar
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    Default Re: RA28 Front 5 stud conversion...

    MrShin - Get stuck with what??

    TheChuckster - why would you use the MA61 strut, and the MA65 hub?? if the MA65 hub will fit the RA28 stub axle?? and can anyone confirm that the MA65 hub WILL fit?

    Pube - comodore uses the same sized bearing as....??? what about spacing between the bearings? and to the best of my knowledge the RA2x and XT130 strut are different... so how does it fit both???

  4. #19
    Gobble, Gobble! Automotive Encyclopaedia mrshin's Avatar
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    Default Re: RA28 Front 5 stud conversion...

    Get stuck with ideas...

    Commodore bearings are the same size as the Toyota stubs. If you're looking for either a set of 330mm Commodore rotors (undrilled) or some Crown hubs, give me a yell.

  5. #20
    Junior Member Domestic Engineer Pube's Avatar
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    Default Re: RA28 Front 5 stud conversion...

    As far as i know (ill check when i go out to my shed) the ra23/28 use the same bearings as an XT130. the main diff being where the caliper bolts to. XT130 is useful as its caliper bracket is the right size and position that the hilux 4WD caliper will bolt up to it and where the ra23/28 caliper bracket being much different.

  6. #21
    Junior Member Too Much Toyota
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    Default Re: RA28 Front 5 stud conversion...

    Quote Originally Posted by RAd28
    TheChuckster - why would you use the MA61 strut, and the MA65 hub?? if the MA65 hub will fit the RA28 stub axle?? and can anyone confirm that the MA65 hub WILL fit?
    please - it's MS65 and its used to convert the MA61 supra to 5 stud hubs!

    and given these facts:
    -MA61 & RA23/28/40 share the same wheel bearings
    -MA61 & RA23/28/40 have similar (if not identical) stub axles
    -MS65 hubs fit onto MA61 stub axles
    would indicate that the MS65 hubs bolt onto the RA23/28/40 stub axles.

    It doesn't mean the whole strut is the same (height varies, as does mounts for calipers), just that the hubs just 'bolt on'

    Quote Originally Posted by RAd28
    Pube - comodore uses the same sized bearing as....??? what about spacing between the bearings? and to the best of my knowledge the RA2x and XT130 strut are different... so how does it fit both???
    the space between the two bearings is close to identical (enough to to be an issue) so you can swap hubs from one to another

    but... you use the XT130 strut to let you bolt up better calipers that the very ordinary RA23/28/40 items ... so ignore the fact that the stub axles might vary by 0.04%.

  7. #22
    Junior Member Carport Converter RAd28's Avatar
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    Default Re: RA28 Front 5 stud conversion...

    AHHhhhh...lol... i missed the S in MS65... but that bit i already was aware of.. hence the wanted in my sig.

    and now the MA61 strut bit makes sense...

    i'm gonna look into the hopper kit, if that doesn't happen, might have a look at the commodore conversion.. 'cause i dont like my chances of finding MS65 hubs in a hurry...
    '77 RA28LT #2 ← 2.2L 18RG...

  8. #23
    Gobble, Gobble! Automotive Encyclopaedia mrshin's Avatar
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    Default Re: RA28 Front 5 stud conversion...

    As I said, all you have to do is ask and either MS65 hubs, or 330mm commodore rotors (new and undrilled) can be yours.

  9. #24
    Junior Member Grease Monkey
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    Default Re: RA28 Front 5 stud conversion...

    sorry for slightly o/t

    What is the internal diameters of inner and outter bearings and the space between of the commy hub/disc?

    Looking at possibly upgrades for an rt40, using rt8x stubs etc.

    Cheers
    Logan

  10. #25
    Junior Member Carport Converter RAd28's Avatar
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    Default Re: RA28 Front 5 stud conversion...

    mrshin: MS65 Hubs... name your price?

    Everyone Else: i recieved a reply from hopper stoppers, and it goes a little something like this

    FROM: Hopper stoppers

    Thanks for this and your earlier enquiry.

    Toyota's had a couple of front end changes over the early Celica series, TA22/23 have one design , RA23/28, another and RA40/60 different again.

    We make our kits with smooth, slotted or drilled and slotted rotors, and choices of alloy, red, yellow or black calipers, and of course std 4 stud or various 5 stud patterns such as Ford and Commodore. Original rear wheel drive Celica's have wheels 27P , meaning 27mm in from hub face to centre, where older Ford and HQ type wheels are 11P and later Ford AU/BA and Commodore go around 38P. So this has to considered when going to 5 stud wheels. Minumum 15 inch wheels will be required in every case.

    You can see it's going to be fun getting a group purchase together but we would certainly be happy to give a discount of 15% for 3 or more and 25% for 6 or more in various types.
    Everyone would have to be very exact in specifying what they want, what car they have, any strut changes from std etc.

    Our hub face position (offset) is generally very close to original, out 1mm on TA22/23, 4mm on RA23/28 and RA40/60.and is not normally changable as the bracket layout dictates the positions etc.

    Kits are $1100 with smooth rotors, $1200 with slotted and $1250 with drilled and slotted. (Price rise was due 1/1/2006 but will keep this old price for 30 days)

    freight $50 per kit to Brisbane.

    Everyone would also have to do a master cylinder change to something with a 1 inch bore, a lot of older Landcruiser and Cressida type stuff will fit the Celica's and the early one's with single master cylinders should be upgraded to Tandem in any case.

    Let me know if we can be of more help

    regards

    Peter Koning
    Just so you know what the kit includes, go to the Hopper Stoppers Catalogue and on page 27 you'll find the Celica Kit.

    i've enquired about upgrading to the likes of 4 piston calipers, and braided lines...

    PLEASE NOTE: Prices are this month only, i'm gonna be placing an order reguardless of how many people have shown interest. so get your $$$$ together ASAP.
    '77 RA28LT #2 ← 2.2L 18RG...

  11. #26
    Junior Member Too Much Toyota
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    Default Re: RA28 Front 5 stud conversion...

    note: Hopper Stoppers are wrong about RA40 being different to RA23 - they're the same. it's RA60/SA63/RA65 that have the different caliper mounts compared to RA23/28/40.

    Personally, i'd only be interested in hubs (a 5 stud in ford pattern) as i already have calipers etc sorted out. Could you ask the guy about bulk orders of hubs only (given that MS65 hubs are rare as hens teeth) when you place your own?

  12. #27
    Junior Member Carport Converter RAd28's Avatar
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    Default Re: RA28 Front 5 stud conversion...

    i'd be inclined to agree with the hubs only idea, but i like that they can basically tailor make a setup... saves me a shit load of trouble trying to organise, rotors, calipers, mounting brackets, etc etc etc... and all that adds up to BIG $$$$

    i think a kit is hard to go by...
    '77 RA28LT #2 ← 2.2L 18RG...

  13. #28
    Junior Member Carport Converter RAd28's Avatar
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    Default Re: RA28 Front 5 stud conversion...

    Hey Guys, just got a reply from Hoppers reguarding the options i mentioned previously.

    FROM: Hopper Stoppers

    I wouldn't get too excited about the cast iron 4 piston calipers, they usually wont be as good as the alloy sliding twin piston PBR stuff.
    They are more heavy duty industrial with the emphasis on heavy. Also wont fit over a decent 28 thick rotor.
    (Plus we are not real keen on forever chasing/reconditioning used stuff, it works out dearer for no real world improvement.)

    The best 4 piston alloy stuff like Brembo costs a whole lot and the cheaper stuff like Outlaw or Wilwood isnt usually ADR.

    The rotors we use in our Toyota kits are internally vented DBA (Kangaroo paw), with either smooth faces, or slotted or drilled/slotted faces as required.
    Based off AU3 Ford parts they are heat rated to stop 2 tonnes of Falcon, and the thoery of brakes is that a car weighing 1/2 as much creates 1/4 the heat so these are seriously oversize for street and well up to racing use.

    We do braided lines ADR7 approved at $70 per pair extra over the std rubber that come with the kits.

    Best regards

    Peter Koning
    yet to get a responce about hubs only. stay tuned.
    '77 RA28LT #2 ← 2.2L 18RG...

  14. #29
    Junior Member Domestic Engineer
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    Default Re: RA28 Front 5 stud conversion...

    was multiple orders mentioend for a bit of a discount?

    also for those that have been down the upgrade route
    does anyone know if an adjustable top hat to fix the camber with the ra60 strut in an RA28/40 would solve the positive camber issues that the RA60 strut brings to those model cars?
    then you could use the other upgrade floating around (is it from you chuck?) with the 4 piston r33 caliper, the BA rotor, the MS65 hub (if you got one), the small adaptor rings and bracket, the camber top and the ra60 strut.

  15. #30
    Junior Member Carport Converter RAd28's Avatar
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    Default Re: RA28 Front 5 stud conversion...

    You can see it's going to be fun getting a group purchase together but we would certainly be happy to give a discount of 15% for 3 or more and 25% for 6 or more in various types.
    Everyone would have to be very exact in specifying what they want, what car they have, any strut changes from std etc
    I'm gonna need people to let me know of their interest in this kit ASAP, DEAL ENDS JAN 31.
    '77 RA28LT #2 ← 2.2L 18RG...

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