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Author Topic: 550K Dual disc setup using 550 calipers, rotors etc....questions  (Read 6216 times)

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Offline bwaller

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Re: 550K Dual disc setup using 550 calipers, rotors etc....questions
« Reply #25 on: December 28, 2009, 01:14:53 PM »
Contact Kevin400F.
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traveler

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Re: 550K Dual disc setup using 550 calipers, rotors etc....questions
« Reply #26 on: December 28, 2009, 03:56:36 PM »
I think you're talking about different CALIPERS, right?

The piston inside the caliper...how is THAT going to make a weight difference?

~Joe
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Offline Spikeybike

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Re: 550K Dual disc setup using 550 calipers, rotors etc....questions
« Reply #27 on: December 28, 2009, 04:33:13 PM »
because it's solid steel .. compared to a phenolic one , witch is a polymer

and they seal better . and don't pit like the steel ones
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Offline bwaller

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Re: 550K Dual disc setup using 550 calipers, rotors etc....questions
« Reply #28 on: December 28, 2009, 04:50:19 PM »
Original piston 175grams, phenolic replacement 65g's
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traveler

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Re: 550K Dual disc setup using 550 calipers, rotors etc....questions
« Reply #29 on: December 28, 2009, 04:51:17 PM »

WOW!

Ok then, cool.

Thanks for passing that on!

~Joe
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Offline cdoggy81

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Re: 550K Dual disc setup using 550 calipers, rotors etc....questions
« Reply #30 on: December 28, 2009, 05:30:54 PM »
Do you remember how much $$ do these phenolic pistons run?
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Offline bwaller

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Re: 550K Dual disc setup using 550 calipers, rotors etc....questions
« Reply #31 on: December 28, 2009, 05:36:48 PM »
$35ea two years ago.
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yozzie

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Re: 550K Dual disc setup using 550 calipers, rotors etc....questions
« Reply #32 on: December 28, 2009, 05:41:56 PM »


Congrats on finding a wife that knows when to stop eating!

~Joe

[/quote]

ha ha haha ah haha I just read this thread and busted out laughing when I read that!  So true!
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Offline FunJimmy

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Re: 550K Dual disc setup using 550 calipers, rotors etc....questions
« Reply #33 on: May 29, 2010, 08:45:16 AM »
Brent

I'm looking to do a dual disc conversion on my recently acquired CB550F and noticed your setup.
It looks like you used stock calipers and brackets, but turned them around so the calipers are at the back of the forks.
There must have been more to it. Could you elaborate a bit?

Thanks
FunJimmy
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Offline Flying J

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Re: 550K Dual disc setup using 550 calipers, rotors etc....questions
« Reply #34 on: May 29, 2010, 10:29:58 AM »
Im pretty sure its that simple jimmy. You add the extra caliper and put the forks on backwards so the caliper is on the back.
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Offline Zaipai

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Re: 550K Dual disc setup using 550 calipers, rotors etc....questions
« Reply #35 on: May 29, 2010, 04:18:21 PM »
Joe, I have a master cylinder from a 81 VT 750 with dual front rotors, so it should work well. I can not tell you if it needs to be rebuilt or not, it seems to work ok however you would have to judge for yourself. Anyway its yours for the asking if you want/need it. It's square and rather low profile.

.: Scott :.
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Offline RAFster122s

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Re: 550K Dual disc setup using 550 calipers, rotors etc....questions
« Reply #36 on: June 03, 2010, 08:29:23 PM »
Quote from: ffjmoore on December 28, 2009, 11:56:19 AM
Ok Out with this "member", Who is he? I would like a  piston or 2 as well.

Kevin400F
http://forums.sohc4.net/index.php?action=profile;u=1440
Prices are reasonable, knowledgeable guy and he's sold 300+ pistons according to one post by him...
Buy more than one piston in the order and the prices get better and better.
Not sure if he has all 750 pistons yet...if not you could provide him with one of your steel pistons and he could make phenolics using it to get the critical dimensions.  Provided it is within the dimensions of the pistons he starts from. (from a Buick I believe...)
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