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Loz
backyard mechanic
Joined: 05 Oct 2001
Posts: 943
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 Posted: Thu Feb 21, 2002 3:13 am Post subject: New Brakes |
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Has anyone ever thought of buying a new set of piazza rotors, which I assume bolt straight on to the gemi stub axel, and then doing a caliper conversion. Say magna, commodore, volvo 4 spot.
You can get new Slotted piazza rotors for $130 each. This might be easier and cheaper than getting hold of a complete set of piazza brakes.
It would make it a much smaller job.
Ideas??
Cheers, Loz |
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GasGem
backyard mechanic
Joined: 05 Nov 2001
Posts: 755
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| Posted: Thu Feb 21, 2002 1:19 pm Post subject: Re: New Brakes |
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| Where can you get the rotors? |
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WAY2LOW
tinkerer
Joined: 07 Oct 2001
Posts: 176
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| Posted: Thu Feb 21, 2002 2:08 pm Post subject: Re: New Brakes |
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| i think sprint auto parts, repco, rocca brothers (adelaide) and basically any other auto parts store should be able to order them in. if not try a brake specialist. |
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maDGeMvAN
tinkerer
Joined: 06 Oct 2001
Posts: 452
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| Posted: Thu Feb 21, 2002 5:51 pm Post subject: Re: New Brakes |
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| www.dba.com.au |
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Ben Wight
backyard mechanic
Joined: 04 Oct 2001
Posts: 946
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| Posted: Thu Feb 21, 2002 9:07 pm Post subject: Re: New Brakes |
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I think I remeber reading that they dont bolt straight onto the gemini stub axle, but I have never tried it. It might also be quite tricky to get another calliper to bolt onto the stub axle as well.
Ben Wight |
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Slug
tinkerer
Joined: 06 Oct 2001
Posts: 196
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| Posted: Thu Feb 21, 2002 10:49 pm Post subject: Re: New Brakes |
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And what about the 3 mm of dics rotor you are missing ???
Michael |
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Loz
backyard mechanic
Joined: 05 Oct 2001
Posts: 943
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| Posted: Fri Feb 22, 2002 9:04 pm Post subject: Re: New Brakes |
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3mm??? Please explain what you mean.
The specs I was given say the rotors are 250mm (gemi ones are 239mm) and 8mm thicker (for the ventilation).
the hole for the stub axel is the same size for both. Only the distance from hub to other edge is slightly smaller for the piazza. |
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Loz
backyard mechanic
Joined: 05 Oct 2001
Posts: 943
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| Posted: Fri Feb 22, 2002 9:07 pm Post subject: Re: New Brakes |
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| Well as far as doing a whole brake conversion goes you have to make another caliper fit anyway. So it shouldn't be that much of an issue. I just thought it could save time as the rotor part would require no mods. |
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Loz
backyard mechanic
Joined: 05 Oct 2001
Posts: 943
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| Posted: Fri Feb 22, 2002 9:09 pm Post subject: Re: New Brakes |
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| sorry, they're DBA rotors. |
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Racegem
backyard mechanic
Joined: 30 Jan 2002
Posts: 987
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| Posted: Sat Feb 23, 2002 2:28 am Post subject: Re: New Brakes |
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| The one thing they don't tell you in the DBA catalogue is how the hub attaches to the rotor. On the Gem, the rotor is drilled and thread tapped, is it in the Piazza? |
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Adam
Site Admin
Joined: 04 Oct 2001
Posts: 682
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| Posted: Sat Feb 23, 2002 7:01 am Post subject: Re: New Brakes |
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| Whaddya mean the 'one' thing... they don't tell you the inside diameter of the swept area, they don't tell you the inside diameter of the 'bell', they don't tell you the thickness of the mounting face.... in case you couldn't tell I've spent a bit of time reading the DBA catalogue, and while it is a great resource it frustrates me a little... |
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Racegem
backyard mechanic
Joined: 30 Jan 2002
Posts: 987
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| Posted: Sun Feb 24, 2002 1:22 am Post subject: Re: New Brakes - Adam |
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| My my, aren't we cranky at four in the morning. lol |
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Loz
backyard mechanic
Joined: 05 Oct 2001
Posts: 943
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| Posted: Sun Feb 24, 2002 3:34 pm Post subject: Re: New Brakes |
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| So does anyone actually know if they'll bolt on??? |
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Adam
Site Admin
Joined: 04 Oct 2001
Posts: 682
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| Posted: Mon Feb 25, 2002 3:01 am Post subject: Re: New Brakes - Adam |
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| The best part was the alarm clock going off just as I finally got into bed... |
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Slug
tinkerer
Joined: 06 Oct 2001
Posts: 196
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| Posted: Mon Feb 25, 2002 3:07 am Post subject: Re: New Brakes |
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| You said you where going to use commodore / volvo etc calipers, these take a 22mm or greater disc thickness. A piazza is only 19mm brand new whith a bit of pad wear you might find the pads will fall out... Michael |
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