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VT brake conversion onto VP

Discussion in 'VN - VP Holden Commodore (1988 - 1993)' started by Abrowne70, Mar 1, 2009.

  1. Abrowne70

    Abrowne70 New Member

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    Hey guys picked up some vt front calipers, brake booster and master cylinder today pretty cheap.

    Now i know for the conversion i need floating hubs, which are roughly $250 on ebay(if anyone knows where they are cheaper let me know please) but i have also read that VR/VS dont require these floating hubs because they have some of their own.

    My question is, am i able to get the hubs of a VR/VS and use them for the conversion onto my vp.

    Thanks
     
  2. Vt-Brrrlina

    Vt-Brrrlina vp bt1 gts replica

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    only if u use the whole wheel strut id imagine
     
  3. VrWagz1

    VrWagz1 The Wagon on Wheels..

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    This was discussed in another thread recently and it came to the conclusion that it could be possibly to use the whole VR/S strut with a VN/P bearing plate on top to mount it in. Know one actually tried it though, but if you can get a vr strur assembly for next to nothing then it may be worth a shot as the theory seems to work. You will still however need the egg rings($30 ebay) on the vr hub to fit the Vt rotors still.
     
  4. Vt-Brrrlina

    Vt-Brrrlina vp bt1 gts replica

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    sounds like a lot of bother to me lol = id rather pay the lil bit for the hub adapters and leave everything else alone but thats just me
     
  5. VrWagz1

    VrWagz1 The Wagon on Wheels..

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    ^^^I think your right, hub change sounds easier to me too. But if he has a hoist, rattle gun and cheap vr stuts then it may work out cheaper and wont take long on a hoist plus you can change a few bush's while your there.
     
  6. Morton

    Morton For external use only

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    Yup that's right, the entire strut is required to fit VR/VS hubs onto a VN/VP. They used a different style bearing and hub assembly. I'd personally stick with the VN/VP style strut and bearing assembly, only as they are user servicable bearings, and much easier to remove/regrease/replace. You also don't have the issue of rotors becoming rusted onto the bearing assembly, and requiring the assistance of a mallet to remove.

    I think some fiddling needs to be done with adaptation of brake lines, double check on that mate :)
     
  7. hitman1979

    hitman1979 New Member

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    i just want to say you cant use the vn-vp strut tops on a vr-vs strut the vr-vs sharft is thicker then the earlier models and wont go into a vn-vp strut top

    been there tried that
     
  8. Abrowne70

    Abrowne70 New Member

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    yeah decided ill just fork out the cash for the adapter hubs, only couple hundred and makes it alot easier, yes i have access to all those items(hoist, rattle gun etc.) but just be neater using the adapter hubs and when i want to sell my car and keep the conversion i can.

    So where apart from ebay has the adapter hubs and prices?
     
  9. v8_bomberdore

    v8_bomberdore New Member

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    sydney race brakes sell the hubs but they have no stock for at leased 2 weeks away and wen they do get them in u will be looking at close to $300 and that doesnt come with bearings either, also u will need the longer brake lines and there $150 for the braided ones
     
  10. Leebo

    Leebo New Member

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    i was about to do the same thing i got some VT SS brakes of a mate for $250 and i should have realized how much F-ing around it would be, damm
     
  11. stocky

    stocky New Member

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    agreed. the rotors on mine were a bitch to remove the first time
     
  12. centy

    centy Member

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    mate when you assemble thing pretend you are a diesl fitter and paint every thing before assmelbe with NEVER SEIZE.
     
  13. Zuicider

    Zuicider Banned

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    can i take offence to that?
     
  14. MasterOfReality

    MasterOfReality Miners go deeper

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    Also, if you are using adaptor hubs and you want it to be legal, an engineers is required for it ;)
     
  15. VrWagz1

    VrWagz1 The Wagon on Wheels..

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    LMAO..bahahah
     
  16. hitman1979

    hitman1979 New Member

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  17. Vt-Brrrlina

    Vt-Brrrlina vp bt1 gts replica

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    hopper stoppers is hell expensive - i can get it bought and installed for less than that in perth here

    there charging $890 for smooth 300mm brakes and accessories letalone price for the slotted and dimpled

    i got quoted $689 fitted with slotted
     
  18. centy

    centy Member

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    currently trying to find a supplier to do 296mm vp rotors.
     
  19. Fu Manchu

    Fu Manchu Well-Known Member

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    Getting the Booster to bolt will be fun. This is going require you to have some handy engineering skills and welding skills. They don't match up. Marcovr can help you maybe and there are a few others that have threads covering this conversion on a few forums.

    I found twobros in NZ make a firewall bracket for the VT-Z booster onto a VB-S firewall.
    Some people have modified a VS booster bracket to bolt the VT booster to but it is a bit dodgey. You will also have to modify the pushrod on the VT booster by shortening it, welding up the hole for the brake pedal and creating a new hole for the brake pedal.
    A better option is use a plastic VS booster which allows the VT Master cyclinder to be bolted to it with a spacer you can get from racebrakes sydney ;)
    if you have an early VP then you will need brass thread adaptors to be able to get the brake pipes to fit up. There is some bending of the pipes also required so be very careful ;)
     
  20. VrWagz1

    VrWagz1 The Wagon on Wheels..

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    ^^you can use vs booster but it is a weak plastic single diaphram job. Your better off using the stronger double diaphram steel booster off the vt/z.
     

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